{"id":20776,"date":"2025-12-13T02:00:39","date_gmt":"2025-12-12T18:00:39","guid":{"rendered":"https:\/\/viox.com\/?p=20776"},"modified":"2025-12-13T02:00:41","modified_gmt":"2025-12-12T18:00:41","slug":"mcov-spd-maximum-continuous-operating-voltage-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/km\/mcov-spd-maximum-continuous-operating-voltage-guide\/","title":{"rendered":"\u1780\u17b6\u179a\u1796\u1793\u17d2\u1799\u179b\u17cb\u17a2\u17c6\u1796\u17b8 MCOV SPD: \u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6"},"content":{"rendered":"<div class=\"product-intro\">\n<p>\u1793\u17c5\u1796\u17c1\u179b\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb <a href=\"https:\/\/test.viox.com\/km\/spd\/\">\u1780\u17be\u1793\u17a1\u17be\u1784\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd(SPDs)<\/a> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8 \u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u1793\u17d2\u178f\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 (MCOV) \u1782\u17ba\u1798\u17b6\u1793\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1792\u17b6\u1793\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1791\u17bb\u1780\u1785\u17b7\u178f\u17d2\u178f\u1794\u17b6\u1793 \u1793\u17b7\u1784\u1799\u17bc\u179a\u17a2\u1784\u17d2\u179c\u17c2\u1784\u17d4 \u1780\u1798\u17d2\u179a\u17b7\u178f MCOV SPD \u1780\u17c6\u178e\u178f\u17cb\u1790\u17b6\u178f\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17a2\u17b6\u1785\u1791\u1794\u17cb\u1791\u179b\u17cb\u1793\u17b9\u1784\u1797\u17b6\u1796\u178f\u17b6\u1793\u178f\u17b9\u1784\u179c\u17c9\u17bb\u179b\u1794\u1793\u17d2\u178f\u178a\u17c2\u179b\u1798\u17b6\u1793\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u178a\u17c4\u1799\u1798\u17b7\u1793\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799\u1798\u17bb\u1793\u17a2\u17b6\u1799\u17bb\u178a\u17c2\u179a\u17ac\u1791\u17c1\u17d4 \u1798\u1782\u17d2\u1782\u17bb\u1791\u17d2\u1791\u17c1\u179f\u1780\u17cd\u178a\u17cf\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799\u1793\u17c1\u17c7\u179f\u17d2\u179c\u17c2\u1784\u1799\u179b\u17cb\u1782\u17d2\u179a\u1794\u17cb\u1799\u17c9\u17b6\u1784\u178a\u17c2\u179b\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8 \u17a2\u17d2\u1793\u1780\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u1782\u17d2\u179a\u17bf\u1784\u1794\u179a\u17b7\u1780\u17d2\u1781\u17b6\u179a \u1793\u17b7\u1784\u17a2\u17d2\u1793\u1780\u17af\u1780\u1791\u17c1\u179f\u1781\u17b6\u1784\u179b\u1791\u17d2\u1792\u1780\u1798\u17d2\u1798 \u178f\u17d2\u179a\u17bc\u179c\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8 MCOV \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb SPD \u1785\u17b6\u1794\u17cb\u1796\u17b8\u1782\u17c6\u1793\u17b7\u178f\u1787\u17b6\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793 \u179a\u17a0\u17bc\u178f\u178a\u179b\u17cb\u179b\u1780\u17d2\u1781\u178e\u17c8\u179c\u17b7\u1793\u17b7\u1785\u17d2\u1786\u17d0\u1799\u1793\u17c3\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPD \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17a2\u17b6\u1785\u1793\u17b6\u17c6\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u178a\u17b6\u1785\u17cb\u1785\u179a\u1793\u17d2\u178f\u178a\u17c4\u1799\u179a\u17c6\u1781\u17b6\u1793 \u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd \u17ac\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799\u1793\u17c3\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a\u1791\u17b6\u17c6\u1784\u179f\u17d2\u179a\u17bb\u1784\u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u1794\u1789\u17d2\u17a0\u17b6\u1782\u17bb\u178e\u1797\u17b6\u1796\u1790\u17b6\u1798\u1796\u179b\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1798\u17b6\u1793\u1797\u17b6\u1796\u179b\u17c1\u1785\u1792\u17d2\u179b\u17c4\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1791\u17c6\u1793\u17be\u1794 \u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb MCOV \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1798\u17b7\u1793\u178a\u17c2\u179b\u1798\u17b6\u1793\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1787\u17b6\u1784\u1793\u17c1\u17c7\u1791\u17c1\u17d4 \u1798\u17b7\u1793\u1790\u17b6\u17a2\u17d2\u1793\u1780\u1780\u17c6\u1796\u17bb\u1784\u1780\u17b6\u179a\u1796\u17b6\u179a\u1782\u17d2\u179a\u17bf\u1784\u1794\u179a\u17b7\u1780\u17d2\u1781\u17b6\u179a\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798 \u17a2\u1782\u17b6\u179a\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798 \u17ac\u17a0\u17c1\u178a\u17d2\u178b\u17b6\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7 \u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u1782\u17c4\u179b\u1780\u17b6\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b MCOV \u1792\u17b6\u1793\u17b6\u1790\u17b6\u1780\u17b6\u179a\u179c\u17b7\u1793\u17b7\u1799\u17c4\u1782\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u178f\u1798\u17d2\u179b\u17c3\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 \u1793\u17b7\u1784\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1791\u17bb\u1780\u1785\u17b7\u178f\u17d2\u178f\u1794\u17b6\u1793\u17d4.<\/p>\n<h2>\u178f\u17be MCOV \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb SPD \u1782\u17ba\u1787\u17b6\u17a2\u17d2\u179c\u17b8?<\/h2>\n<p>\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u1793\u17d2\u178f\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 (MCOV) \u178f\u17c6\u178e\u17b6\u1784\u17b1\u17d2\u1799\u179c\u17c9\u17bb\u179b RMS \u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u17a2\u17b6\u1785\u1791\u1794\u17cb\u1791\u179b\u17cb\u1794\u17b6\u1793\u1787\u17b6\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u178a\u17c4\u1799\u1798\u17b7\u1793\u1798\u17b6\u1793\u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f \u17ac\u1794\u179a\u17b6\u1787\u17d0\u1799\u17d4 \u1798\u17b7\u1793\u178a\u17bc\u1785\u1780\u1798\u17d2\u179a\u17b7\u178f\u179c\u17c9\u17bb\u179b\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17c2\u179b\u1796\u17b7\u1796\u178e\u17cc\u1793\u17b6\u17a2\u17c6\u1796\u17b8\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u178a\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793 \u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1780\u17c6\u178e\u178f\u17cb\u1780\u1798\u17d2\u179a\u17b7\u178f\u179c\u17c9\u17bb\u179b\u179f\u17d2\u1790\u17b7\u179a\u1797\u17b6\u1796\u178a\u17c2\u179b\u179b\u17c4\u17a0\u17c8\u1792\u17b6\u178f\u17bb\u179a\u1794\u179f\u17cb SPD <a href=\"https:\/\/test.viox.com\/km\/mov-vs-gdt-vs-tvs-comparison\/\">oxide varistors (MOVs)<\/a> \u17ac\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u1780\u17b6\u179a\u1796\u17b6\u179a\u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f\u17a2\u17b6\u1785\u1791\u17d2\u179a\u17b6\u17c6\u1791\u17d2\u179a\u1794\u17b6\u1793\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1792\u1798\u17d2\u1798\u178f\u17b6\u17d4.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/viox-mcov-spd-technical-diagram.webp\" alt=\"VIOX MCOV SPD Technical Diagram showing normal operation vs surge event\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u1782\u17c6\u1793\u17bc\u179f\u178f\u17b6\u1784\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f VIOX MCOV SPD \u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1792\u1798\u17d2\u1798\u178f\u17b6\u1792\u17c0\u1794\u1793\u17b9\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1796\u17d2\u179a\u17b9\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178e\u17cd\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b<\/figcaption><\/figure>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784 MCOV \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd SPD \u178a\u17be\u179a\u178f\u17bd\u1787\u17b6\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u178a\u17cf\u179f\u17c6\u1781\u17b6\u1793\u17cb\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179b\u17be\u179f\u1796\u17b8\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 \u179a\u17bd\u1798\u1791\u17b6\u17c6\u1784\u179c\u17c9\u17bb\u179b\u179b\u17be\u179f\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793 (TOVs) \u178a\u17c2\u179b\u17a2\u17b6\u1785\u1780\u17be\u178f\u17a1\u17be\u1784\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17c6\u17a0\u17bb\u179f\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u1780\u17b6\u179a\u1794\u17d2\u178f\u17bc\u179a\u1794\u1793\u17d2\u1791\u17bb\u1780 \u17ac\u1780\u17b6\u179a\u1794\u17d2\u179a\u17c2\u1794\u17d2\u179a\u17bd\u179b\u179c\u17c9\u17bb\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179b\u17be\u179f\u1796\u17b8\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1793\u17c4\u17c7 SPD \u17a2\u17b6\u1785\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1787\u17b6\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb \u178a\u17c2\u179b\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1797\u17b6\u1796\u178f\u17b6\u1793\u178f\u17b9\u1784\u1780\u1798\u17d2\u178a\u17c5 \u1780\u17b6\u179a\u1786\u17b6\u1794\u17cb\u1785\u17b6\u179f\u17cb \u17ac\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u17b6\u17c6\u1784\u179f\u17d2\u179a\u17bb\u1784\u17d4.<\/p>\n<p>\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1787\u17c7\u17a5\u1791\u17d2\u1792\u17b7\u1796\u179b\u178a\u17c4\u1799\u1795\u17d2\u1791\u17b6\u179b\u17cb\u1791\u17c5\u179b\u17be\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u179c\u17c9\u17bb\u179b (VPL) \u179a\u1794\u179f\u17cb SPD \u1793\u17b7\u1784\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u178a\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u1785\u179a\u1793\u17d2\u178f\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u17d4 \u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1780\u17b6\u1793\u17cb\u178f\u17c2\u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1791\u17bc\u1791\u17c5\u1791\u17b6\u1780\u17cb\u1791\u1784\u1793\u17b9\u1784\u179c\u17c9\u17bb\u179b\u1782\u17c0\u1794\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1781\u17d2\u1796\u179f\u17cb \u178a\u17c2\u179b\u1794\u1784\u17d2\u1780\u17be\u178f\u1794\u17b6\u1793\u1793\u17bc\u179c\u178f\u17bb\u179b\u17d2\u1799\u1797\u17b6\u1796\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u179a\u179c\u17b6\u1784\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u1793\u17d2\u178f \u1793\u17b7\u1784\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1791\u1794\u17cb\u179f\u17d2\u1780\u17b6\u178f\u17cb\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793\u17d4 \u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u1791\u17c6\u1793\u17b6\u1780\u17cb\u1791\u17c6\u1793\u1784\u1793\u17c1\u17c7\u1782\u17ba\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u1784\u17d2\u1780\u17be\u1793\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4.<\/p>\n<h2>\u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6 MCOV \u179f\u17c6\u1781\u17b6\u1793\u17cb\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPD<\/h2>\n<p>\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1794\u1784\u17d2\u1780\u17be\u178f\u1787\u17b6\u1782\u17d2\u179a\u17b9\u17c7\u1793\u17c3\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1780\u1794\u178a\u17c4\u1799\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u17d4 \u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178a\u17c2\u179b\u1798\u17b6\u1793\u1791\u17c6\u17a0\u17c6\u178f\u17bc\u1785\u1796\u17c1\u1780\u1793\u17b6\u17c6\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1797\u17b6\u1796\u178f\u17b6\u1793\u178f\u17b9\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u17c9\u17b6\u17c6\u179a\u17c9\u17c3 \u1780\u17b6\u179a\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1791\u17c6\u1793\u17b6\u1780\u17cb\u1791\u17c6\u1793\u1784\u1798\u17b7\u1793\u1796\u17b7\u178f \u1793\u17b7\u1784\u17a2\u17b6\u1799\u17bb\u1780\u17b6\u179b\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u1781\u17d2\u179b\u17b8 \u1781\u178e\u17c8\u178a\u17c2\u179b\u1780\u1798\u17d2\u179a\u17b7\u178f\u1781\u17d2\u1796\u179f\u17cb\u17a0\u17bd\u179f\u1794\u17d2\u179a\u1798\u17b6\u178e\u17a2\u17b6\u1785\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1781\u17bc\u1785\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17c4\u1799\u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u17b1\u17d2\u1799\u1780\u1798\u17d2\u179a\u17b7\u178f\u179c\u17c9\u17bb\u179b\u1781\u17d2\u1796\u179f\u17cb\u1791\u17c5\u178a\u179b\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4.<\/p>\n<p>\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1793\u17c3 MCOV \u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPD \u1782\u17ba\u17a0\u17bd\u179f\u1796\u17b8\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bc\u1795\u17d2\u1782\u1784\u179c\u17c9\u17bb\u179b\u179f\u17b6\u1798\u1789\u17d2\u1789\u17d4 \u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7\u1793\u17bc\u179c\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u179c\u17c9\u17bb\u179b\u179b\u17be\u179f\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793\u1795\u17d2\u179f\u17c1\u1784\u17d7\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1799\u1780\u1798\u1780\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u17d6<\/p>\n<p><strong>\u179f\u17c1\u178e\u17b6\u179a\u17b8\u1799\u17c9\u17bc\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17b8<\/strong>\u17d6 \u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17c6\u17a0\u17bb\u179f\u1796\u17b8\u1781\u17d2\u179f\u17c2\u1791\u17c5\u178a\u17b8\u1793\u17c5\u179b\u17be\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b7\u1793\u1798\u17b6\u1793\u178a\u17b8 \u17ac\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b6\u1793\u178a\u17b8\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1781\u17d2\u1796\u179f\u17cb \u179c\u17c9\u17bb\u179b\u1796\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u178a\u17b8\u17a2\u17b6\u1785\u1780\u17be\u1793\u17a1\u17be\u1784\u178a\u179b\u17cb\u1780\u1798\u17d2\u179a\u17b7\u178f\u1796\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u17d4 SPDs \u178a\u17c2\u179b\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1796\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u178a\u17b8\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb\u178a\u17be\u1798\u17d2\u1794\u17b8\u1791\u1794\u17cb\u1791\u179b\u17cb\u1793\u17b9\u1784\u179c\u17c9\u17bb\u179b\u1780\u17be\u1793\u17a1\u17be\u1784\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u178a\u17c4\u1799\u1798\u17b7\u1793\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u17d4.<\/p>\n<p><strong>\u1780\u17b6\u179a\u1794\u17d2\u179a\u17c2\u1794\u17d2\u179a\u17bd\u179b\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/strong>\u17d6 \u1794\u1791\u1794\u17d2\u1794\u1789\u17d2\u1789\u178f\u17d2\u178f\u17b7\u179c\u17c9\u17bb\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u17d2\u179a\u17c2\u1794\u17d2\u179a\u17bd\u179b \u00b15-10% \u1796\u17b8\u178f\u1798\u17d2\u179b\u17c3\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6\u17d4 \u179b\u17be\u179f\u1796\u17b8\u1793\u17c1\u17c7\u1791\u17c0\u178f \u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u17a2\u17b6\u1785\u1780\u17be\u178f\u17a1\u17be\u1784\u1793\u17c5\u1785\u17bb\u1784\u1794\u1789\u17d2\u1785\u1794\u17cb\u1793\u17c3\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1785\u17c2\u1780\u1785\u17b6\u1799\u178a\u17c2\u179b\u1795\u17d2\u1791\u17bb\u1780\u179f\u17d2\u179a\u17b6\u179b\u17d4 \u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179f\u1798\u17d2\u179a\u1794\u1791\u17c5\u1793\u17b9\u1784\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178a\u17c2\u179b\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179a\u17b9\u1798\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb\u17d4.<\/p>\n<p><strong>\u1795\u179b\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u1793\u17c3\u1780\u17b6\u179a\u1794\u1784\u17d2\u1781\u17bc\u1785\u1791\u17d2\u179a\u1784\u17cb\u1791\u17d2\u179a\u17b6\u1799\u17a2\u17b6\u1798\u17c9\u17bc\u1793\u17b7\u1780<\/strong>\u17d6 \u1794\u1793\u17d2\u1791\u17bb\u1780\u1798\u17b7\u1793\u179b\u17b8\u1793\u17c1\u17a2\u17ca\u17c2\u179a\u1785\u17b6\u1780\u17cb\u1785\u179a\u1793\u17d2\u178f\u17a2\u17b6\u1798\u17c9\u17bc\u1793\u17b7\u1780\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u1784\u17d2\u1780\u17be\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f\u179c\u17c9\u17bb\u179b RMS \u17d4 \u1782\u17d2\u179a\u17bf\u1784\u1794\u179a\u17b7\u1780\u17d2\u1781\u17b6\u179a\u1791\u17c6\u1793\u17be\u1794\u17d7\u178a\u17c2\u179b\u1798\u17b6\u1793\u178a\u17d2\u179a\u17b6\u1799\u1794\u17d2\u179a\u17c1\u1780\u1784\u17cb\u17a2\u1790\u17c1\u179a \u1780\u17b6\u179a\u1795\u17d2\u1782\u178f\u17cb\u1795\u17d2\u1782\u1784\u17cb\u1790\u17b6\u1798\u1796\u179b\u1794\u17d2\u178f\u17bc\u179a \u1793\u17b7\u1784\u1797\u17d2\u179b\u17be\u1784 LED \u17a2\u17b6\u1785\u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7\u1791\u1798\u17d2\u179a\u1784\u17cb\u179a\u179b\u1780\u179c\u17c9\u17bb\u179b\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1798\u17b6\u178f\u17b7\u1780\u17b6\u17a2\u17b6\u1798\u17c9\u17bc\u1793\u17b7\u1780\u179f\u17c6\u1781\u17b6\u1793\u17cb \u178a\u17c2\u179b\u1794\u1784\u17d2\u1780\u17be\u1793\u1797\u17b6\u1796\u178f\u17b6\u1793\u178f\u17b9\u1784\u179c\u17c9\u17bb\u179b\u179b\u17be\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb SPD \u1799\u17c9\u17b6\u1784\u1798\u17b6\u1793\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u17d4.<\/p>\n<p><strong>\u1797\u17b6\u1796\u17a2\u1793\u17bb\u1797\u17b6\u1796 \u1793\u17b7\u1784 Ferroresonance<\/strong>\u17d6 \u1780\u17d2\u179a\u17c4\u1798\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb \u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u17a2\u1793\u17bb\u1797\u17b6\u1796\u17a2\u17b6\u1785\u1794\u1784\u17d2\u1780\u17be\u178f\u179c\u17c9\u17bb\u179b\u179b\u17be\u179f\u178a\u17c2\u179b\u1791\u17d2\u179a\u1791\u17d2\u179a\u1784\u17cb\u17d4 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u1798\u17b7\u1793\u179f\u17bc\u179c\u1798\u17b6\u1793\u1787\u17b6\u1791\u17bc\u1791\u17c5 \u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6 MCOV \u178a\u17c4\u1799\u1794\u17d2\u179a\u17bb\u1784\u1794\u17d2\u179a\u1799\u17d0\u178f\u17d2\u1793\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7\u17d4.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/viox-mcov-protection-levels.webp\" alt=\"VIOX MCOV Protection Levels diagram illustrating protection zones\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u1782\u17c6\u1793\u17bc\u179f\u178f\u17b6\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a VIOX MCOV \u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u178f\u17c6\u1794\u1793\u17cb\u1780\u17b6\u179a\u1796\u17b6\u179a \u1793\u17b7\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u179c\u17c9\u17bb\u179b<\/figcaption><\/figure>\n<p>\u17a2\u1784\u17d2\u1782\u1780\u17b6\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1791\u17bc\u1791\u17b6\u17c6\u1784\u1796\u17b7\u1797\u1796\u179b\u17c4\u1780\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u178a\u17cf\u179f\u17c6\u1781\u17b6\u1793\u17cb\u179a\u1794\u179f\u17cb MCOV \u17d4 IEEE C62.41, IEC 61643-11 \u1793\u17b7\u1784 UL 1449 \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1796\u17b8\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a MCOV \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u1791\u17b6\u1780\u17cb\u1791\u1784\u1793\u17b9\u1784\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17d4 \u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u1792\u17b6\u1793\u17b6\u1793\u17bc\u179c\u1797\u17b6\u1796\u1786\u1794\u1782\u17d2\u1793\u17b6\u179a\u1794\u179f\u17cb SPD \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1785\u1798\u17d2\u179a\u17bb\u17c7 \u1793\u17b7\u1784\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u1791\u17bc\u1791\u17c5\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb \u1793\u17b7\u1784\u179b\u1791\u17d2\u1792\u1780\u1798\u17d2\u1798\u17d4.<\/p>\n<h2>\u179a\u1794\u17c0\u1794\u1782\u178e\u1793\u17b6 MCOV \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 SPD<\/h2>\n<p>\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb SPD \u1796\u17b6\u1780\u17cb\u1796\u17d0\u1793\u17d2\u1792\u1793\u17b9\u1784\u1780\u17b6\u179a\u179c\u17b7\u1797\u17b6\u1782\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u1793\u17b7\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u178f\u17d2\u178f\u17b6\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u179f\u1798\u179f\u17d2\u179a\u1794\u17d4 \u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6\u1787\u17b6\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793\u1792\u17d2\u179c\u17be\u178f\u17b6\u1798\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u17d6<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 1\u17d6 \u1780\u17c6\u178e\u178f\u17cb\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u1793\u17b7\u1784\u179c\u17c9\u17bb\u179b\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6<\/h3>\n<p>\u1780\u17c6\u178e\u178f\u17cb\u1790\u17b6\u178f\u17be\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1787\u17b6\u178a\u17b8 (\u178a\u17b8\u179a\u17b9\u1784 \u178a\u17b8\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6 \u17ac\u178a\u17b8\u1794\u17d2\u179a\u178f\u17b7\u1780\u1798\u17d2\u1798) \u17ac\u1798\u17b7\u1793\u1798\u17b6\u1793\u178a\u17b8\u17d4 \u1797\u17b6\u1796\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u1793\u17c1\u17c7\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u1799\u17c9\u17b6\u1784\u1781\u17d2\u179b\u17b6\u17c6\u1784\u178a\u179b\u17cb\u1797\u17b6\u1796\u178f\u17b6\u1793\u178f\u17b9\u1784\u179c\u17c9\u17bb\u179b\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17c6\u17a0\u17bb\u179f\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 2\u17d6 \u1782\u178e\u1793\u17b6\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178a\u17c2\u179b\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6<\/h3>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17b8\u179a\u17b9\u1784\u17d6<\/p>\n<ul>\n<li>\u179c\u17c9\u17bb\u179b\u1796\u17b8\u1781\u17d2\u179f\u17c2\u1791\u17c5\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 = \u179c\u17c9\u17bb\u179b\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6 \u00d7 1.1 (\u1782\u178e\u1793\u17c1\u1799\u17d2\u1799\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u1791\u1794\u17d2\u1794\u1789\u17d2\u1789\u178f\u17d2\u178f\u17b7\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb)<\/li>\n<li>\u179c\u17c9\u17bb\u179b\u1796\u17b8\u1781\u17d2\u179f\u17c2\u1791\u17c5\u178a\u17b8\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 = \u179c\u17c9\u17bb\u179b\u1796\u17b8\u1781\u17d2\u179f\u17c2\u1791\u17c5\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f (\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1792\u1798\u17d2\u1798\u178f\u17b6)<\/li>\n<\/ul>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b7\u1793\u1798\u17b6\u1793\u178a\u17b8 \u17ac\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b6\u1793\u178a\u17b8\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1781\u17d2\u1796\u179f\u17cb\u17d6<\/p>\n<ul>\n<li>\u179c\u17c9\u17bb\u179b\u1796\u17b8\u1781\u17d2\u179f\u17c2\u1791\u17c5\u178a\u17b8\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 = \u179c\u17c9\u17bb\u179b\u1796\u17b8\u1781\u17d2\u179f\u17c2\u1791\u17c5\u1781\u17d2\u179f\u17c2 \u00d7 1.1 (\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17b8)<\/li>\n<\/ul>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 3\u17d6 \u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u178f\u17d2\u178f\u17b6 TOV<\/h3>\n<p>\u179a\u1799\u17c8\u1796\u17c1\u179b \u1793\u17b7\u1784\u1791\u17c6\u17a0\u17c6\u1793\u17c3\u179c\u17c9\u17bb\u179b\u179b\u17be\u179f\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u17d4 \u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a IEEE \u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c TOV \u179a\u17a0\u17bc\u178f\u178a\u179b\u17cb 1.25 \u178a\u1784\u1793\u17c3\u179c\u17c9\u17bb\u179b\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179a\u1799\u17c8\u1796\u17c1\u179b\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u179c\u17b7\u1793\u17b6\u1791\u17b8\u17d4 MCOV \u178a\u17c2\u179b\u1794\u17b6\u1793\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179b\u17be\u179f\u1796\u17b8 TOV \u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u178a\u17c2\u179b\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u17d6<\/p>\n<p><em>MCOV \u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a \u2265 \u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 \u00d7 \u1780\u178f\u17d2\u178f\u17b6 TOV<\/em><\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 4\u17d6 \u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179a\u17b9\u1798\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796<\/h3>\n<p>\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179c\u17b7\u1787\u17d2\u1787\u17b6\u1787\u17b8\u179c\u17c8\u178e\u17c2\u1793\u17b6\u17c6\u17b1\u17d2\u1799\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u178f\u17d2\u178f\u17b6\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1794\u1793\u17d2\u1790\u17c2\u1798\u1793\u17c3 1.05-1.15 \u178a\u17be\u1798\u17d2\u1794\u17b8\u1782\u178e\u1793\u17b6\u1797\u17b6\u1796\u1798\u17b7\u1793\u1794\u17d2\u179a\u17b6\u1780\u178a\u1794\u17d2\u179a\u1787\u17b6\u1793\u17c3\u1780\u17b6\u179a\u179c\u17b6\u179f\u17cb\u179c\u17c2\u1784 \u1780\u17b6\u179a\u1794\u17d2\u179a\u17c2\u1794\u17d2\u179a\u17bd\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u1793\u17b7\u1784\u1797\u17b6\u1796\u1787\u17bf\u1787\u17b6\u1780\u17cb\u179a\u1799\u17c8\u1796\u17c1\u179b\u179c\u17c2\u1784\u17d6<\/p>\n<p><em>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a MCOV \u1785\u17bb\u1784\u1780\u17d2\u179a\u17c4\u1799 = MCOV \u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a \u00d7 \u1780\u178f\u17d2\u178f\u17b6\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 (1.05-1.15)<\/em><\/p>\n<h3>\u17a7\u1791\u17b6\u17a0\u179a\u178e\u17cd\u1793\u17c3\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784\u17d6<\/h3>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17b8\u179a\u17b9\u1784 480V, 3-phase, 4-wire\u17d6<\/p>\n<ul>\n<li>\u179c\u17c9\u17bb\u179b\u1796\u17b8\u1781\u17d2\u179f\u17c2\u1791\u17c5\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6 = 480V \/ \u221a3 = 277V<\/li>\n<li>\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 = 277V \u00d7 1.1 = 305V<\/li>\n<li>\u1780\u178f\u17d2\u178f\u17b6 TOV \u1794\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f = 305V \u00d7 1.25 = 381V<\/li>\n<li>\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179a\u17b9\u1798\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 = 381V \u00d7 1.1 = 419V<\/li>\n<li><strong>\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178a\u17c2\u179b\u1794\u17b6\u1793\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u17d6 \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 420V<\/strong><\/li>\n<\/ul>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1798\u17b7\u1793\u1798\u17b6\u1793\u178a\u17b8 \u17ac\u178a\u17b8\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1781\u17d2\u1796\u179f\u17cb\u17d6<\/p>\n<ul>\n<li>\u179c\u17c9\u17bb\u179b\u1796\u17b8\u1781\u17d2\u179f\u17c2\u1791\u17c5\u178a\u17b8\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 = 480V \u00d7 1.1 = 528V<\/li>\n<li>\u1780\u178f\u17d2\u178f\u17b6 TOV \u1794\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f = 528V \u00d7 1.25 = 660V<\/li>\n<li>\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179a\u17b9\u1798\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 = 660V \u00d7 1.1 = 726V<\/li>\n<li><strong>\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178a\u17c2\u179b\u1794\u17b6\u1793\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u17d6 \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 730V<\/strong><\/li>\n<\/ul>\n<p>\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u1780\u17b6\u179a\u178a\u17b6\u1780\u17cb\u178a\u17b8\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u1799\u17c9\u17b6\u1784\u1781\u17d2\u179b\u17b6\u17c6\u1784\u178a\u179b\u17cb\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a SPD MCOV \u17d4 \u178f\u17c2\u1784\u178f\u17c2\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u178a\u17b8\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u1798\u17bb\u1793\u1796\u17c1\u179b\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd SPD \u17d4.<\/p>\n<h2>\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178f\u17b6\u1798\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/h2>\n<p>\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1794\u1784\u17d2\u1780\u17be\u178f\u17a1\u17be\u1784\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1791\u17bc\u1791\u17c5\u17d4 \u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u1780\u1798\u17d2\u179a\u17b7\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u179a\u17a0\u17d0\u179f \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u1792\u17b6\u1793\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u1780\u17bc\u178a \u1793\u17b7\u1784\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17cf\u179b\u17d2\u17a2\u1794\u17d2\u179a\u179f\u17be\u179a\u17d4.<\/p>\n<h3>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u1793\u17c5\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1781\u17b6\u1784\u1787\u17be\u1784\u17d6<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0;\" border=\"1\">\n<thead>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd;\">\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd;\">\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd;\">\u179c\u17b7\u1792\u17b8\u1792\u1798\u17d2\u1798\u178f\u17b6<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd;\">MCOV \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 (L-N)<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd;\">MCOV \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 (L-G \u1798\u17b7\u1793\u1798\u17b6\u1793\u178a\u17b8)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">120\/240V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Split-phase<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u179b\u17c6\u1793\u17c5\u178a\u17d2\u178b\u17b6\u1793<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">150V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">320V<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">120\/208V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">3-phase Wye<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">150V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">275V<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">277\/480V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">3-phase Wye<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\/\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">320V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">660V<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">347\/600V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">3-phase Wye<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u178e\u17b6\u178a\u17b6<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">400V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">825V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u17a2\u1793\u17d2\u178f\u179a\u1787\u17b6\u178f\u17b7\u17d6<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0;\" border=\"1\">\n<thead>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd;\">\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd;\">\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd;\">\u178f\u17c6\u1794\u1793\u17cb<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd;\">MCOV \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 (L-N)<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd;\">MCOV \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 (L-G)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">230\/400V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">3-phase Wye<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u17a2\u17ba\u179a\u17c9\u17bb\u1794\/\u17a2\u17b6\u179f\u17ca\u17b8<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">255V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">440V<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">240\/415V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">3-phase Wye<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u1785\u1780\u17d2\u179a\u1797\u1796\u17a2\u1784\u17cb\u1782\u17d2\u179b\u17c1\u179f\/\u17a2\u17bc\u179f\u17d2\u178f\u17d2\u179a\u17b6\u179b\u17b8<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">275V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">460V<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">220\/380V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">3-phase Wye<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u1794\u17d2\u179a\u1791\u17c1\u179f\u1785\u17b7\u1793<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">250V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">420V<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">127\/220V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">3-phase Wye<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u1794\u17d2\u179a\u17c1\u179f\u17ca\u17b8\u179b<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">150V<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">275V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/viox-spd-types-and-mcov-comparison.webp\" alt=\"VIOX SPD Types and MCOV Comparison chart\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u1782\u17c6\u1793\u17bc\u179f\u178f\u17b6\u1784\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794\u1794\u17d2\u179a\u1797\u17c1\u1791 VIOX SPD \u1793\u17b7\u1784 MCOV \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u178a\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b6\u1798\u178a\u17c6\u17a1\u17be\u1784<\/figcaption><\/figure>\n<h3>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179c\u17c9\u17bb\u179b\u1798\u1792\u17d2\u1799\u1798\u17d6<\/h3>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179b\u17be\u179f\u1796\u17b8 1000V \u1780\u17b6\u179a\u1782\u178e\u1793\u17b6 MCOV \u1780\u17b6\u1793\u17cb\u178f\u17c2\u179f\u17d2\u1798\u17bb\u1782\u179f\u17d2\u1798\u17b6\u1789\u178a\u17c4\u1799\u179f\u17b6\u179a\u178f\u17c2\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u1781\u17d2\u1799\u179b\u17cb\u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784 \u1797\u17b6\u1796\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1793\u17c3\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u17a2\u17ca\u17b8\u179f\u17bc\u17a1\u1784\u17cb \u1793\u17b7\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8 TOV \u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u17d4 \u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u1793\u17c3 SPD \u179c\u17c9\u17bb\u179b\u1798\u1792\u17d2\u1799\u1798\u1792\u1798\u17d2\u1798\u178f\u17b6\u179a\u17bd\u1798\u1798\u17b6\u1793\u17d6<\/p>\n<ul>\n<li>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 4.16kV: MCOV 3.3kV (L-N), 5.7kV (L-G \u1798\u17b7\u1793\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793)<\/li>\n<li>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 13.8kV: MCOV 11kV (L-N), 19kV (L-G \u1798\u17b7\u1793\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793)<\/li>\n<li>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 34.5kV: MCOV 28kV (L-N), 48kV (L-G \u1798\u17b7\u1793\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793)<\/li>\n<\/ul>\n<p>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u179c\u17c9\u17bb\u179b\u1798\u1792\u17d2\u1799\u1798\u1791\u17b6\u1798\u1791\u17b6\u179a\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1781\u17d2\u179f\u17c2\u1780\u17c4\u1784 TOV \u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb \u1793\u17b7\u1784\u1780\u17b6\u179a\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u179f\u1798\u17b6\u1798\u17b6\u178f\u17d2\u179a X\/R \u1793\u17c3\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u178a\u17c2\u179b\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1780\u17b6\u179a\u1796\u17b7\u1782\u17d2\u179a\u17c4\u17c7\u1799\u17c4\u1794\u179b\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1780\u17d2\u179a\u17bb\u1798\u17a0\u17ca\u17bb\u1793\u1795\u179b\u17b7\u178f\u1798\u17b6\u1793\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17d4.<\/p>\n<h3>\u1780\u17b6\u179a\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u1796\u17b7\u179f\u17c1\u179f\u17d6<\/h3>\n<ul>\n<li><strong>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b7\u1793\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793<\/strong>\u17d6 \u178f\u17c2\u1784\u178f\u17c2\u1794\u17d2\u179a\u17be\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u178a\u17c2\u179b\u1798\u17b7\u1793\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793 L-G \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6 1.73 \u178a\u1784\u1793\u17c3\u178f\u1798\u17d2\u179b\u17c3 L-N<\/li>\n<li><strong>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1781\u17d2\u1796\u179f\u17cb<\/strong>\u17d6 \u1785\u17b6\u178f\u17cb\u1791\u17bb\u1780\u178a\u17bc\u1785\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b7\u1793\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6 MCOV<\/li>\n<li><strong>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1798\u17c9\u17b6\u179f\u17ca\u17b8\u1793\u1797\u17d2\u179b\u17be\u1784<\/strong>\u17d6 \u1782\u178e\u1793\u17b6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17c6\u179a\u17c2\u1794\u17c6\u179a\u17bd\u179b\u1794\u1791\u1794\u1789\u17d2\u1787\u17b6\u179c\u17c9\u17bb\u179b\u179f\u1780\u17d2\u178f\u17b6\u1793\u17bb\u1796\u179b (\u00b110-15%)<\/li>\n<li><strong>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 UPS<\/strong>\u17d6 \u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u179a\u1794\u17c0\u1794\u1786\u17d2\u179b\u1784\u1780\u17b6\u178f\u17cb \u1793\u17b7\u1784\u1780\u17b6\u179a\u1787\u17c6\u179a\u17bb\u1789\u1790\u17d2\u1798\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u1784\u17d2\u1780\u17be\u1793\u179c\u17c9\u17bb\u179b\u1791\u17b7\u1793\u17d2\u1793\u1795\u179b<\/li>\n<li><strong>\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799<\/strong>\u17d6 \u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 DC \u1791\u17b6\u1798\u1791\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6 MCOV \u1796\u17b7\u179f\u17c1\u179f\u178a\u17c4\u1799\u1795\u17d2\u17a2\u17c2\u1780\u179b\u17be\u179c\u17c9\u17bb\u179b\u17a2\u17b6\u179a\u17c1 PV \u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6<\/li>\n<\/ul>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17bc\u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f MCOV<\/h2>\n<p>\u179f\u17bc\u1798\u17d2\u1794\u17b8\u178f\u17c2\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u178a\u17c2\u179b\u1798\u17b6\u1793\u1794\u1791\u1796\u17b7\u179f\u17c4\u1792\u1793\u17cd\u1780\u17cf\u17a2\u17b6\u1785\u1792\u17d2\u179c\u17be\u1780\u17c6\u17a0\u17bb\u179f\u1792\u17d2\u1784\u1793\u17cb\u1792\u17d2\u1784\u179a\u1793\u17c5\u1796\u17c1\u179b\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u17d4 \u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17bc\u1791\u17c5\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u1787\u17bd\u1799\u1787\u17c0\u179f\u179c\u17b6\u1784\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799\u178a\u17c2\u179b\u1798\u17b6\u1793\u178f\u1798\u17d2\u179b\u17c3\u1790\u17d2\u179b\u17c3 \u1793\u17b7\u1784\u1792\u17b6\u1793\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17cf\u179b\u17d2\u17a2\u1794\u17d2\u179a\u179f\u17be\u179a\u17d4.<\/p>\n<p><strong>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 1: \u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u179c\u17c9\u17bb\u179b\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6\u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793\u1780\u178f\u17d2\u178f\u17b6\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796<\/strong><br \/>\n\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u178a\u17c4\u1799\u1795\u17d2\u17a2\u17c2\u1780\u179b\u17be\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6\u178f\u17c2\u1798\u17bd\u1799\u1782\u178f\u17cb\u1798\u17b7\u1793\u17a2\u17be\u1796\u17be\u1793\u17b9\u1784\u1794\u17c6\u179a\u17c2\u1794\u17c6\u179a\u17bd\u179b\u179c\u17c9\u17bb\u179b \u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c TOV \u1793\u17b7\u1784\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1797\u17b6\u1796\u1787\u17bf\u1787\u17b6\u1780\u17cb\u179a\u1799\u17c8\u1796\u17c1\u179b\u179c\u17c2\u1784\u17d4 \u1780\u17c6\u17a0\u17bb\u179f\u1793\u17c1\u17c7\u1787\u17b6\u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u1793\u17b6\u17c6\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799 SPD \u1798\u17b7\u1793\u1782\u17d2\u179a\u1794\u17cb\u1781\u17c2\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7\u1780\u17b6\u179a\u1794\u17d2\u179a\u17c2\u1794\u17d2\u179a\u17bd\u179b\u179c\u17c9\u17bb\u179b\u1787\u17b6\u1794\u17d2\u179a\u1785\u17b6\u17c6\u1793\u17c5\u1787\u17b7\u178f\u178a\u17c2\u1793\u1780\u17c6\u178e\u178f\u17cb\u1794\u1791\u1794\u17d2\u1794\u1789\u17d2\u1789\u178f\u17d2\u178f\u17b7\u1781\u17b6\u1784\u179b\u17be\u17d4.<\/p>\n<p><strong>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 2: \u1780\u17b6\u179a\u1798\u17b7\u1793\u17a2\u17be\u1796\u17be\u1793\u17b9\u1784\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u178a\u17b8\u1793\u17c3\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/strong><br \/>\n\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17cf\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1794\u17c6\u1795\u17bb\u178f\u1796\u17b6\u1780\u17cb\u1796\u17d0\u1793\u17d2\u1792\u1793\u17b9\u1784\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u1796\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b7\u1793\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793 \u17ac\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1781\u17d2\u1796\u179f\u17cb\u17d4 \u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17b8 \u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7\u179c\u17c9\u17bb\u179b\u1796\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u178a\u17b8\u179f\u17d2\u1798\u17be\u1793\u17b9\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1796\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b \u178a\u17c2\u179b\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799 SPDs \u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u1798\u17b7\u1793\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb\u178a\u17be\u1798\u17d2\u1794\u17b8\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1787\u17b6\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb \u1793\u17b7\u1784\u1794\u179a\u17b6\u1787\u17d0\u1799\u1799\u17c9\u17b6\u1784\u1792\u17d2\u1784\u1793\u17cb\u1792\u17d2\u1784\u179a\u17d4.<\/p>\n<p><strong>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 3: \u1780\u17b6\u179a\u1798\u17be\u179b\u179a\u17c6\u179b\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8 TOV \u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb<\/strong><br \/>\n\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u17a2\u17b6\u1785\u1794\u1784\u17d2\u1780\u17be\u178f\u179c\u17c9\u17bb\u179b\u179b\u17be\u179f\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1780\u17b6\u179a\u179f\u1798\u17d2\u17a2\u17b6\u178f\u1780\u17c6\u17a0\u17bb\u179f \u1780\u17b6\u179a\u1794\u17d2\u178f\u17bc\u179a\u1780\u17bb\u1784\u178a\u1784\u17cb\u179f\u17d0\u179a \u1793\u17b7\u1784\u1796\u17d2\u179a\u17b9\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178e\u17cd\u1780\u17b6\u179a\u1794\u178a\u17b7\u179f\u17c1\u1792\u1794\u1793\u17d2\u1791\u17bb\u1780\u17d4 \u1780\u17b6\u179a\u1781\u1780\u1781\u17b6\u1793\u1798\u17b7\u1793\u1794\u17b6\u1793\u1782\u17b7\u178f\u1782\u17bc\u179a\u1796\u17b8\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7 \u1787\u17b6\u1796\u17b7\u179f\u17c1\u179f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1780\u17d2\u179a\u17a1\u17b6\u1785\u178f\u17d2\u179a\u1784\u17d2\u1782\u1781\u17d2\u179f\u17c4\u1799 \u17ac\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1785\u17bb\u1784\u1781\u17d2\u179f\u17c2 \u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1797\u17b6\u1796\u178f\u17b6\u1793\u178f\u17b9\u1784 SPD \u1793\u17b7\u1784\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u17a2\u17b6\u1799\u17bb\u1780\u17b6\u179b\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u17d4.<\/p>\n<p><strong>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 4: \u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a2\u1793\u17d2\u178f\u179a\u1787\u17b6\u178f\u17b7\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c<\/strong><br \/>\n\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u17d2\u179f\u17c1\u1784\u1782\u17d2\u1793\u17b6 (UL 1449, IEC 61643-11, IEEE C62.41) \u1780\u17c6\u178e\u178f\u17cb\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a MCOV \u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u17d4 \u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a IEC \u179a\u1794\u179f\u17cb\u17a2\u17ba\u179a\u17c9\u17bb\u1794\u1785\u17c6\u1796\u17c4\u17c7\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1793\u17c5\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1781\u17b6\u1784\u1787\u17be\u1784 \u17ac\u1795\u17d2\u1791\u17bb\u1799\u1798\u1780\u179c\u17b7\u1789 \u17a2\u17b6\u1785\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a\u1798\u17b7\u1793\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb \u17ac\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u179b\u17be\u179f\u179b\u1794\u17cb\u17d4.<\/p>\n<p><strong>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 5: \u1780\u1784\u17d2\u179c\u17c7\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784<\/strong><br \/>\n\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784 Delta-wye \u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u178a\u17b8 \u1793\u17b7\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 autotransformer \u1794\u1784\u17d2\u1780\u17be\u178f\u1791\u17c6\u1793\u17b6\u1780\u17cb\u1791\u17c6\u1793\u1784\u179c\u17c9\u17bb\u179b\u178f\u17c2\u1798\u17bd\u1799\u1782\u178f\u17cb\u178a\u17c2\u179b\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u1780\u17b6\u179a\u178a\u17b6\u1780\u17cb SPD \u1793\u17b7\u1784\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a MCOV \u17d4 \u1780\u17b6\u179a\u1781\u1780\u1781\u17b6\u1793\u1798\u17b7\u1793\u1794\u17b6\u1793\u179c\u17b7\u1797\u17b6\u1782\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1793\u17b6\u17c6\u17b1\u17d2\u1799\u1798\u17b6\u1793\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f SPD \u1798\u17b7\u1793\u179f\u1798\u179a\u1798\u17d2\u1799\u17d4.<\/p>\n<p><strong>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 6: \u1780\u17b6\u179a\u1792\u17d2\u179c\u17c1\u179f\u1794\u17d2\u179a\u17a0\u17c2\u179f\u1781\u17d2\u179b\u17b9\u1798\u179f\u17b6\u179a Harmonic<\/strong><br \/>\n\u1782\u17d2\u179a\u17bf\u1784\u1794\u179a\u17b7\u1780\u17d2\u1781\u17b6\u179a\u1791\u17c6\u1793\u17be\u1794\u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f\u1781\u17d2\u1796\u179f\u17cb\u1793\u17c3\u1780\u17b6\u179a\u1794\u1784\u17d2\u1781\u17bc\u1785\u1791\u17d2\u179a\u1784\u17cb\u1791\u17d2\u179a\u17b6\u1799 Harmonic \u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7\u179c\u17c9\u17bb\u179b RMS \u1780\u17be\u1793\u17a1\u17be\u1784\u178a\u17c2\u179b\u179f\u1784\u17d2\u1780\u178f\u17cb\u1792\u17d2\u1784\u1793\u17cb\u179b\u17be\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb SPD \u17d4 \u1780\u17b6\u179a\u1798\u17b7\u1793\u17a2\u17be\u1796\u17be\u1793\u17b9\u1784\u1780\u17b6\u179a\u179c\u17b6\u179f\u17cb\u179f\u17d2\u1791\u1784\u17cb\u1782\u17bb\u178e\u1797\u17b6\u1796\u1790\u17b6\u1798\u1796\u179b\u1793\u17c5\u1796\u17c1\u179b\u1782\u178e\u1793\u17b6\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a MCOV \u17a2\u17b6\u1785\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1798\u17b7\u1793\u1794\u17b6\u1793\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u17d4.<\/p>\n<p><strong>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 7: \u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u179a\u1794\u17c0\u1794 SPD \u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c<\/strong><br \/>\n\u1780\u17b6\u179a\u1797\u17d0\u1793\u17d2\u178f\u1785\u17d2\u179a\u17a1\u17c6\u179a\u179c\u17b6\u1784\u179a\u1794\u17c0\u1794\u1791\u17bc\u1791\u17c5 (\u1794\u1793\u17d2\u1791\u17b6\u178f\u17cb\u1791\u17c5\u178a\u17b8) \u1793\u17b7\u1784\u179a\u1794\u17c0\u1794\u178c\u17b8\u1795\u17c1\u179a\u17c9\u1784\u17cb\u179f\u17d2\u1799\u17c2\u179b (\u1794\u1793\u17d2\u1791\u17b6\u178f\u17cb\u1791\u17c5\u1794\u1793\u17d2\u1791\u17b6\u178f\u17cb \u17ac\u1794\u1793\u17d2\u1791\u17b6\u178f\u17cb\u1791\u17c5\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f) \u1780\u17b6\u179a\u1796\u17b6\u179a\u1793\u17b6\u17c6\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1798\u17b7\u1793\u179f\u17ca\u17b8\u1782\u17d2\u1793\u17b6\u1793\u17c3 MCOV \u17d4 \u179a\u1794\u17c0\u1794\u1780\u17b6\u179a\u1796\u17b6\u179a\u1793\u17b8\u1798\u17bd\u1799\u17d7\u1791\u17b6\u1798\u1791\u17b6\u179a\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u179f\u1798\u179f\u17d2\u179a\u1794\u178a\u17c4\u1799\u1795\u17d2\u17a2\u17c2\u1780\u179b\u17be\u1797\u17b6\u1796\u178f\u17b6\u1793\u178f\u17b9\u1784\u179c\u17c9\u17bb\u179b\u178a\u17c2\u179b\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u17d4.<\/p>\n<h2>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799 VIOX SPD: \u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17c2\u179b\u1794\u17b6\u1793\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17d2\u179a\u179f\u17be\u179a MCOV<\/h2>\n<p>\u1780\u17d2\u1793\u17bb\u1784\u1793\u17b6\u1798\u1787\u17b6\u1780\u17d2\u179a\u17bb\u1798\u17a0\u17ca\u17bb\u1793\u1795\u179b\u17b7\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b B2B \u1788\u17b6\u1793\u1798\u17bb\u1781\u1782\u17c1 VIOX Electric \u1798\u17b6\u1793\u17af\u1780\u1791\u17c1\u179f\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799 SPD \u178a\u17c2\u179b\u1794\u17b6\u1793\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17d2\u179a\u179f\u17be\u179a MCOV \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1795\u17d2\u179f\u17c1\u1784\u17d7\u17d4 \u1787\u17c6\u1793\u17b6\u1789\u179c\u17b7\u179f\u17d2\u179c\u1780\u1798\u17d2\u1798\u179a\u1794\u179f\u17cb\u1799\u17be\u1784\u1792\u17b6\u1793\u17b6\u1790\u17b6 SPD VIOX \u1793\u17b8\u1798\u17bd\u1799\u17d7\u1794\u17c6\u1796\u17c1\u1789 \u17ac\u179b\u17be\u179f\u1796\u17b8\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a2\u1793\u17d2\u178f\u179a\u1787\u17b6\u178f\u17b7 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17cf\u179b\u17d2\u17a2\u1794\u17d2\u179a\u179f\u17be\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/viox-spd-installation-and-mcov-specifications.webp\" alt=\"VIOX SPD installation diagram with MCOV specifications\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u178a\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b6\u1798\u178a\u17c6\u17a1\u17be\u1784 VIOX SPD \u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f MCOV \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a \u1793\u17b7\u1784\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1785\u179a\u1793\u17d2\u178f\u179b\u17be\u179f<\/figcaption><\/figure>\n<h3>\u1795\u179b\u1794\u17d0\u178f\u17d2\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799<\/h3>\n<p>VIOX \u1795\u179b\u17b7\u178f SPDs \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u1785\u17b6\u1794\u17cb\u1796\u17b8 150V \u178a\u179b\u17cb 825V \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 \u1793\u17b7\u1784\u1796\u1784\u17d2\u179a\u17b8\u1780\u178a\u179b\u17cb 48kV \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179c\u17c9\u17bb\u179b\u1798\u1792\u17d2\u1799\u1798\u17d4 \u1781\u17d2\u179f\u17c2\u1795\u179b\u17b7\u178f\u1795\u179b\u179a\u1794\u179f\u17cb\u1799\u17be\u1784\u1782\u17d2\u179a\u1794\u178a\u178e\u17d2\u178f\u1794\u17cb\u17d6<\/p>\n<ul>\n<li>Type 1 SPDs (\u179f\u17b6\u1780\u179b\u17d2\u1794\u1784\u178f\u17b6\u1798 UL 1449 Edition \u1791\u17b8 4) \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u178a\u17c2\u179b\u1794\u17b6\u1793\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17d2\u179a\u179f\u17be\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u17d2\u179a\u1780\u1785\u17bc\u179b\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798<\/li>\n<li>Type 2 SPDs \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179a\u1785\u1793\u17b6\u17a1\u17be\u1784\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u1793\u17d2\u1791\u17c7\u1785\u17c2\u1780\u1785\u17b6\u1799 \u1793\u17b7\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179f\u17b6\u1781\u17b6<\/li>\n<li>Type 3 SPDs \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179a\u1785\u1793\u17b6\u17a1\u17be\u1784\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u17c6\u178e\u17bb\u1785\u1793\u17c3\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f MCOV \u179f\u1798\u179f\u17d2\u179a\u1794<\/li>\n<li>\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6 SPD \u1780\u17bc\u1793\u1780\u17b6\u178f\u17cb\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u1793\u17bc\u179c\u1794\u1785\u17d2\u1785\u17c1\u1780\u179c\u17b7\u1791\u17d2\u1799\u17b6\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u17d2\u179a\u17be\u1793\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u178a\u17c2\u179b\u1794\u17b6\u1793\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b<\/li>\n<\/ul>\n<h3>\u1794\u1785\u17d2\u1785\u17c1\u1780\u179c\u17b7\u1791\u17d2\u1799\u17b6\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u1798\u17d2\u179a\u17b7\u178f\u1781\u17d2\u1796\u179f\u17cb<\/h3>\n<p>VIOX SPDs \u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1793\u17bc\u179c varistors \u17a2\u17bb\u1780\u179f\u17ca\u17b8\u178a\u179b\u17c4\u17a0\u17c8\u1780\u1798\u17d2\u179a\u17b7\u178f\u1781\u17d2\u1796\u179f\u17cb\u178a\u17c2\u179b\u1794\u17b6\u1793\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796 MCOV \u1780\u1798\u17d2\u179a\u17b7\u178f\u1781\u17d2\u1796\u179f\u17cb \u1793\u17b7\u1784\u179f\u17d2\u1790\u17c1\u179a\u1797\u17b6\u1796\u179a\u1799\u17c8\u1796\u17c1\u179b\u179c\u17c2\u1784\u179a\u1794\u179f\u17cb\u1796\u17bd\u1780\u1782\u17c1\u17d4 \u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1795\u179b\u17b7\u178f\u179a\u1794\u179f\u17cb\u1799\u17be\u1784\u179a\u17bd\u1798\u1798\u17b6\u1793\u17d6<\/p>\n<ul>\n<li>\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a 100% \u1793\u17c5 110% \u1793\u17c3 MCOV \u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u178a\u17be\u1798\u17d2\u1794\u17b8\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1787\u17b6\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb<\/li>\n<li>\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6\u1780\u17b6\u179a\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u1780\u17c6\u178a\u17c5\u178a\u17c2\u179b\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1781\u17bc\u1785\u1782\u17bb\u178e\u1797\u17b6\u1796\u178a\u17c2\u179b\u1791\u17b6\u1780\u17cb\u1791\u1784\u1793\u17b9\u1784 MCOV<\/li>\n<li>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1785\u1784\u17d2\u17a2\u17bb\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796\u178a\u17c2\u179b\u1787\u17bc\u1793\u178a\u17c6\u178e\u17b9\u1784\u178a\u179b\u17cb\u17a2\u17d2\u1793\u1780\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u17a2\u17c6\u1796\u17b8\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u179f\u17d2\u178f\u17d2\u179a\u17c1\u179f MCOV<\/li>\n<li>\u1797\u17b6\u1796\u1786\u1794\u1782\u17d2\u1793\u17b6\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1796\u17b8\u1785\u1798\u17d2\u1784\u17b6\u1799\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1790\u17c2\u1791\u17b6\u17c6\u1796\u17d2\u1799\u17b6\u1780\u179a\u178e\u17cd<\/li>\n<\/ul>\n<h3>\u1787\u17c6\u1793\u17bd\u1799\u1795\u17d2\u1793\u17c2\u1780\u179c\u17b7\u179f\u17d2\u179c\u1780\u1798\u17d2\u1798\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8<\/h3>\n<p>\u1780\u17d2\u179a\u17bb\u1798\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u179a\u1794\u179f\u17cb VIOX \u1795\u17d2\u178f\u179b\u17cb\u1787\u17c6\u1793\u17bd\u1799\u1795\u17d2\u1793\u17c2\u1780\u179c\u17b7\u179f\u17d2\u179c\u1780\u1798\u17d2\u1798\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u178a\u17cf\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799 \u179a\u17bd\u1798\u1798\u17b6\u1793\u17d6<\/p>\n<ul>\n<li>\u1780\u17b6\u179a\u179c\u17b7\u1797\u17b6\u1782\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u1793\u17b7\u1784\u1780\u17b6\u179a\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6 MCOV<\/li>\n<li>\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u178a\u17b8 \u1793\u17b7\u1784\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6<\/li>\n<li>\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 TOV \u178a\u17c4\u1799\u1795\u17d2\u17a2\u17c2\u1780\u179b\u17be\u179b\u1780\u17d2\u1781\u178e\u17c8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb \u1793\u17b7\u1784 impedance \u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/li>\n<li>\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f MCOV \u1795\u17d2\u1791\u17b6\u179b\u17cb\u1781\u17d2\u179b\u17bd\u1793\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u178f\u17c2\u1798\u17bd\u1799\u1782\u178f\u17cb<\/li>\n<li>\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 \u1792\u17b6\u1793\u17b6\u1780\u17b6\u179a\u178a\u17b6\u1780\u17cb \u1793\u17b7\u1784\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb SPD \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c<\/li>\n<\/ul>\n<h3>\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u178f\u17d2\u179a\u1782\u17bb\u178e\u1797\u17b6\u1796 \u1793\u17b7\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798<\/h3>\n<p>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780 VIOX \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u179a\u1780\u17d2\u179f\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1782\u17bb\u178e\u1797\u17b6\u1796\u1799\u17c9\u17b6\u1784\u1798\u17c9\u178f\u17cb\u1785\u178f\u17cb\u17d6<\/p>\n<ul>\n<li>\u1794\u1789\u17d2\u1787\u17b8 UL 1449 Edition \u1791\u17b8 4 \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u178a\u17c2\u179b\u1794\u17b6\u1793\u1795\u17d2\u179f\u1796\u17d2\u179c\u1795\u17d2\u179f\u17b6\u1799<\/li>\n<li>\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u178f\u17d2\u179a IEC 61643-11 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u17a2\u1793\u17d2\u178f\u179a\u1787\u17b6\u178f\u17b7<\/li>\n<li>\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u179a\u179b\u1780\u178a\u17c2\u179b\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798 IEEE C62.41<\/li>\n<li>\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1795\u179b\u17b7\u178f ISO 9001 \u1792\u17b6\u1793\u17b6\u1782\u17bb\u178e\u1797\u17b6\u1796\u1787\u17b6\u1794\u17cb\u179b\u17b6\u1794\u17cb<\/li>\n<li>RoHS \u1793\u17b7\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u1794\u179a\u17b7\u179f\u17d2\u1790\u17b6\u1793\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17b6\u1780\u17cb\u1796\u1784\u17d2\u179a\u17b6\u1799\u1787\u17b6\u179f\u1780\u179b<\/li>\n<\/ul>\n<p>\u179f\u17a0\u1780\u17b6\u179a\u1787\u17b6\u1798\u17bd\u1799 VIOX Electric \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179a\u1785\u1793\u17b6\u17a1\u17be\u1784\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f MCOV \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1782\u17b6\u17c6\u1791\u17d2\u179a\u178a\u17c4\u1799\u1787\u17c6\u1793\u17b6\u1789\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f \u1793\u17b7\u1784\u1795\u179b\u17b7\u178f\u178f\u17b6\u1798\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1782\u17bb\u178e\u1797\u17b6\u1796\u1781\u17d2\u1796\u179f\u17cb\u1794\u17c6\u1795\u17bb\u178f\u17d4 \u1791\u17b6\u1780\u17cb\u1791\u1784\u1780\u17d2\u179a\u17bb\u1798\u179c\u17b7\u179f\u17d2\u179c\u1780\u1798\u17d2\u1798\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u179a\u1794\u179f\u17cb\u1799\u17be\u1784\u178a\u17be\u1798\u17d2\u1794\u17b8\u1796\u17b7\u1797\u17b6\u1780\u17d2\u179f\u17b6\u17a2\u17c6\u1796\u17b8\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a SPD \u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780 \u1793\u17b7\u1784\u179f\u17d2\u179c\u17c2\u1784\u1799\u179b\u17cb\u1796\u17b8\u179a\u1794\u17c0\u1794\u178a\u17c2\u179b\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17c2\u179b\u1794\u17b6\u1793\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17d2\u179a\u179f\u17be\u179a\u17a1\u17be\u1784\u178a\u17c4\u1799 VIOX MCOV \u1787\u17bd\u1799\u1794\u1784\u17d2\u1780\u17be\u1793\u1797\u17b6\u1796\u1787\u17bf\u1787\u17b6\u1780\u17cb\u1793\u17c3\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u17d4.<\/p>\n<div id='gallery-1' class='gallery galleryid-20776 gallery-columns-3 gallery-size-full'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/test.viox.com\/km\/spd\/vspdn40-ac-4p-275v\/'><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-4P-275V.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-4P-275V.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-4P-275V-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-4P-275V-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-4P-275V-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-4P-275V-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-4P-275V-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-4P-275V-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/test.viox.com\/km\/spd\/vspdn40-ac-3p-275v\/'><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-3P-275V.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-3P-275V.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-3P-275V-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-3P-275V-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-3P-275V-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-3P-275V-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-3P-275V-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-3P-275V-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/test.viox.com\/km\/spd\/vspdn40-ac-2p-275v\/'><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-2P-275V.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-2P-275V.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-2P-275V-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-2P-275V-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-2P-275V-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-2P-275V-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-2P-275V-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VSPDN40-AC-2P-275V-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<h2>\u179f\u17c6\u178e\u17bd\u179a\u178a\u17c2\u179b\u179f\u17bd\u179a\u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u17a2\u17c6\u1796\u17b8 MCOV SPD<\/h2>\n<p><strong>What does MCOV mean on an SPD?<\/strong><\/p>\n<p>MCOV stands for Maximum Continuous Operating Voltage, which is the highest steady-state RMS voltage that a surge protective device can withstand continuously without damage or degradation. The MCOV rating must exceed the maximum expected system voltage, including normal variations and temporary overvoltages, to ensure reliable SPD operation and long service life.<\/p>\n<p><strong>\u178f\u17be\u1781\u17d2\u1789\u17bb\u17c6\u1782\u17bd\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb SPD \u179a\u1794\u179f\u17cb\u1781\u17d2\u1789\u17bb\u17c6\u178a\u17c4\u1799\u179a\u1794\u17c0\u1794\u178e\u17b6?<\/strong><\/p>\n<p>To select the correct MCOV SPD rating, identify your system voltage and grounding configuration, calculate maximum operating voltage including utility regulation (typically \u00b110%), apply temporary overvoltage factors (up to 1.25\u00d7 nominal), and add a safety margin (1.05-1.15\u00d7). For a 480V solidly grounded system, specify MCOV \u2265 320V phase-to-neutral; for ungrounded systems, specify MCOV \u2265 660V phase-to-ground.<\/p>\n<p><strong>\u178f\u17be\u200b\u1793\u17b9\u1784\u200b\u1798\u17b6\u1793\u200b\u17a2\u17d2\u179c\u17b8\u200b\u1780\u17be\u178f\u200b\u17a1\u17be\u1784\u200b\u1794\u17d2\u179a\u179f\u17b7\u1793\u200b\u1794\u17be\u200b\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1791\u17b6\u1794\u200b\u1796\u17c1\u1780?<\/strong><\/p>\n<p>If the MCOV rating is insufficient for the system voltage, the SPD will experience continuous conduction during normal operation or temporary overvoltage conditions. This causes excessive heating, rapid component degradation, nuisance disconnection via thermal protection, and potentially catastrophic failure. Undersized MCOV ratings represent a critical specification error that compromises both protection effectiveness and safety.<\/p>\n<p><strong>\u178f\u17be MCOV \u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1791\u17c5\u1793\u17b9\u1784\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179a\u17ac\u1791\u17c1?<\/strong><\/p>\n<p>No, MCOV is not the same as system voltage. The MCOV rating must significantly exceed nominal system voltage to account for utility voltage regulation (\u00b15-10%), temporary overvoltages during faults or switching events, system grounding configuration effects, and long-term reliability margins. Proper MCOV calculation typically results in ratings 1.2-1.5 times nominal voltage for grounded systems and 1.7-2.0 times for ungrounded systems.<\/p>\n<p><strong>\u178f\u17be\u1781\u17d2\u1789\u17bb\u17c6\u17a2\u17b6\u1785\u1794\u17d2\u179a\u17be SPD \u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1794\u17b6\u1793\u1791\u17c1?<\/strong><\/p>\n<p>\u1794\u17b6\u1791 \u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb SPD \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u178a\u17c2\u179b\u1794\u17b6\u1793\u1782\u178e\u1793\u17b6\u1782\u17ba\u17a2\u17b6\u1785\u1791\u1791\u17bd\u179b\u1799\u1780\u1794\u17b6\u1793 \u17a0\u17be\u1799\u17a2\u17b6\u1785\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17d2\u179a\u179f\u17be\u179a\u17a1\u17be\u1784\u1793\u17bc\u179c\u1797\u17b6\u1796\u1787\u17bf\u1787\u17b6\u1780\u17cb \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1781\u17d2\u1796\u179f\u17cb\u17a0\u17bd\u179f\u17a0\u17c1\u178f\u17bb\u17a2\u17b6\u1785\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u1793\u17c3\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4 \u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 MCOV \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u1791\u17b6\u1780\u17cb\u1791\u1784\u1793\u17b9\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u179c\u17c9\u17bb\u179b\u1781\u17d2\u1796\u179f\u17cb (VPL) \u178a\u17c2\u179b\u1798\u17b6\u1793\u1793\u17d0\u1799\u1790\u17b6 SPD \u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u17b1\u17d2\u1799\u179c\u17c9\u17bb\u179b\u179a\u179b\u1780\u1781\u17d2\u1796\u179f\u17cb\u1791\u17c5\u178a\u179b\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4 \u178f\u17bb\u179b\u17d2\u1799\u1797\u17b6\u1796\u1797\u17b6\u1796\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb\u1793\u17c3 MCOV \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179c\u17c9\u17bb\u179b\u1782\u17c0\u1794\u179b\u17d2\u17a2\u1794\u17c6\u1795\u17bb\u178f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17cf\u179b\u17d2\u17a2\u1794\u17c6\u1795\u17bb\u178f\u17d4.<\/p>\n<p><strong>\u178f\u17be\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1791\u17c5\u178a\u17b8\u1798\u17b6\u1793\u17a5\u1791\u17d2\u1792\u17b7\u1796\u179b\u1799\u17c9\u17b6\u1784\u178a\u17bc\u1785\u1798\u17d2\u178f\u17c1\u1785\u1791\u17c5\u179b\u17be\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a MCOV \u179a\u1794\u179f\u17cb SPD?<\/strong><\/p>\n<p>\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u178a\u17b8\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1787\u17c7\u17a5\u1791\u17d2\u1792\u17b7\u1796\u179b\u1799\u17c9\u17b6\u1784\u1781\u17d2\u179b\u17b6\u17c6\u1784\u1791\u17c5\u179b\u17be\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u17d4 \u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b6\u1793\u178a\u17b8\u179a\u17b9\u1784\u1798\u17b6\u17c6\u179a\u1780\u17d2\u179f\u17b6\u179c\u17c9\u17bb\u179b\u1796\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u178a\u17b8\u1793\u17c5\u1787\u17b7\u178f\u1780\u1798\u17d2\u179a\u17b7\u178f\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17c2\u179b\u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1791\u17b6\u1794\u1787\u17b6\u1784\u17d4 \u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1782\u17d2\u1798\u17b6\u1793\u178a\u17b8 \u17ac\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b6\u1793\u178a\u17b8\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1781\u17d2\u1796\u179f\u17cb\u17a2\u17b6\u1785\u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7\u179c\u17c9\u17bb\u179b\u1796\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u178a\u17b8\u178a\u17c2\u179b\u1781\u17b7\u178f\u1787\u17b7\u178f\u1780\u1798\u17d2\u179a\u17b7\u178f\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1791\u17c5\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1796\u17c1\u1789\u179b\u17c1\u1789\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17b8\u178a\u17c2\u179b\u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f MCOV \u1794\u17d2\u179a\u17a0\u17c2\u179b \u221a3 (1.73) \u178a\u1784\u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17c2\u179b\u1798\u17b6\u1793\u178a\u17b8\u17d4 \u178f\u17d2\u179a\u17bc\u179c\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u178a\u17b8\u1787\u17b6\u1793\u17b7\u1785\u17d2\u1785 \u1798\u17bb\u1793\u1796\u17c1\u179b\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb SPD MCOV \u17d4.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2121.8px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2121.8px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 467.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 467.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 8326.92px; left: 312.625px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 8326.92px; left: 312.625px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 8326.92px; left: 610.25px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 8326.92px; left: 610.25px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>When specifying surge protective devices (SPDs) for electrical systems, understanding Maximum Continuous Operating Voltage (MCOV) is critical for ensuring reliable, long-term protection. The MCOV SPD rating determines whether your surge protection device can withstand the continuous voltage stresses present in your electrical system without premature failure. This comprehensive guide explores everything electrical engineers, facility managers, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20778,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-20776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/20776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/comments?post=20776"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/20776\/revisions"}],"predecessor-version":[{"id":20779,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/20776\/revisions\/20779"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media\/20778"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media?parent=20776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/categories?post=20776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/tags?post=20776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}