{"id":18696,"date":"2025-07-20T01:12:14","date_gmt":"2025-07-19T17:12:14","guid":{"rendered":"https:\/\/viox.com\/?p=18696"},"modified":"2025-07-20T01:12:16","modified_gmt":"2025-07-19T17:12:16","slug":"uc-up-mean-on-spd","status":"publish","type":"post","link":"https:\/\/test.viox.com\/km\/uc-up-mean-on-spd\/","title":{"rendered":"Uc UP Mean on SPD: \u1798\u1782\u17d2\u1782\u17bb\u1791\u17d2\u1791\u17c1\u179f\u1780\u17cd\u1796\u17c1\u1789\u179b\u17c1\u1789\u1785\u17c6\u1796\u17c4\u17c7\u1794\u17c9\u17b6\u179a\u17c9\u17b6\u1798\u17c9\u17c2\u178f\u17d2\u179a\u179c\u17c9\u17bb\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784"},"content":{"rendered":"<div class=\"product-intro\">\n<p><strong>Uc \u1793\u17b7\u1784 Up \u1782\u17ba\u1787\u17b6\u1794\u17c9\u17b6\u179a\u17c9\u17b6\u1798\u17c9\u17c2\u178f\u17d2\u179a\u179c\u17c9\u17bb\u179b\u178a\u17cf\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1796\u17b8\u179a\u178a\u17c2\u179b\u1780\u17c6\u178e\u178f\u17cb\u1796\u17b8\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u178a\u17c2\u179b <a href=\"https:\/\/test.viox.com\/km\/spd\/\">\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780 (SPD)<\/a> \u1793\u17b9\u1784\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4.<\/strong> Uc \u178f\u17c6\u178e\u17b6\u1784\u17b1\u17d2\u1799\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 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b Up \u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u179c\u17c9\u17bb\u179b\u178a\u17c2\u179b\u1780\u17c6\u178e\u178f\u17cb\u179c\u17c9\u17bb\u179b\u179a\u179b\u1780\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u17d4 \u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u1796\u17b8\u1794\u17c9\u17b6\u179a\u17c9\u17b6\u1798\u17c9\u17c2\u178f\u17d2\u179a\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u17b1\u17d2\u1799\u1794\u17b6\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1792\u17b6\u1793\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780\u178a\u17cf\u179b\u17d2\u17a2\u1794\u17d2\u179a\u179f\u17be\u179a \u1793\u17b7\u1784\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1798\u17b6\u1793\u178f\u1798\u17d2\u179b\u17c3\u1790\u17d2\u179b\u17c3\u17d4.<\/p>\n<h2>\u178f\u17be Uc \u1793\u17b7\u1784 Up \u1798\u17b6\u1793\u1793\u17d0\u1799\u178a\u17bc\u1785\u1798\u17d2\u178f\u17c1\u1785\u1793\u17c5\u179b\u17be SPD? \u1793\u17b7\u1799\u1798\u1793\u17d0\u1799\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-5502\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/VIOX-VSP1-C40PV_3S-1000VD4-Pluggable-Multi-Pole-SPD01.webp\" alt=\"VIOX VSP1-C40PV\/3(S) 1000V(D4) Pluggable Multi-Pole SPD\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/VIOX-VSP1-C40PV_3S-1000VD4-Pluggable-Multi-Pole-SPD01.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/VIOX-VSP1-C40PV_3S-1000VD4-Pluggable-Multi-Pole-SPD01-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/VIOX-VSP1-C40PV_3S-1000VD4-Pluggable-Multi-Pole-SPD01-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/VIOX-VSP1-C40PV_3S-1000VD4-Pluggable-Multi-Pole-SPD01-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/VIOX-VSP1-C40PV_3S-1000VD4-Pluggable-Multi-Pole-SPD01-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/VIOX-VSP1-C40PV_3S-1000VD4-Pluggable-Multi-Pole-SPD01-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Uc: \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<\/h3>\n<p>Uc (\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) \u1782\u17ba\u1787\u17b6\u179c\u17c9\u17bb\u179b AC \u17ac DC \u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u178a\u17c2\u179b\u17a2\u17b6\u1785\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1787\u17b6\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1791\u17c5 SPD \u178a\u17c4\u1799\u1798\u17b7\u1793\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u179f\u1780\u1798\u17d2\u1798 \u17ac\u1780\u17b6\u179a\u1781\u17bc\u1785\u1782\u17bb\u178e\u1797\u17b6\u1796\u17d4 \u1794\u17c9\u17b6\u179a\u17c9\u17b6\u1798\u17c9\u17c2\u178f\u17d2\u179a\u1793\u17c1\u17c7\u1780\u17c6\u178e\u178f\u17cb\u1790\u17b6\u178f\u17be SPD \u1793\u17c5\u178f\u17c2\u17a2\u179f\u1780\u1798\u17d2\u1798\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<p><strong>\u179b\u1780\u17d2\u1781\u178e\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u1793\u17c3 Uc:<\/strong><\/p>\n<ul>\n<li>\u178f\u17c6\u178e\u17b6\u1784\u17b1\u17d2\u1799\u178f\u1798\u17d2\u179b\u17c3\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u1793\u17c3\u179c\u17c9\u17bb\u179b AC \u178a\u17c2\u179b\u17a2\u17b6\u1785\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1787\u17b6\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1791\u17c5\u179a\u1794\u17c0\u1794\u1780\u17b6\u179a\u1796\u17b6\u179a SPD<\/li>\n<li>\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179b\u17be\u179f\u1796\u17b8\u179c\u17c9\u17bb\u179b\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6\u179a\u1794\u179f\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u178a\u17be\u1798\u17d2\u1794\u17b8\u1792\u17b6\u1793\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c<\/li>\n<li>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1781\u17d2\u1796\u179f\u17cb\u1796\u17c1\u1780 SPD \u17a2\u17b6\u1785\u1793\u17b9\u1784\u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u179f\u1780\u1798\u17d2\u1798\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u179a\u179b\u1780<\/li>\n<li>\u1780\u17b6\u179a\u179b\u17be\u179f\u1796\u17b8 Uc \u1793\u17b9\u1784\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u17c6\u1780\u17c6\u178a\u17c5\u1781\u17d2\u179b\u17b6\u17c6\u1784 \u1796\u1793\u17d2\u179b\u17bf\u1793\u1797\u17b6\u1796\u1785\u17b6\u179f\u17cb \u1793\u17b7\u1784\u17a2\u17b6\u1785\u1781\u17bc\u1785\u1781\u17b6\u178f<\/li>\n<\/ul>\n<h3>Up: \u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u179c\u17c9\u17bb\u179b<\/h3>\n<p>Up (\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u179c\u17c9\u17bb\u179b) \u1782\u17ba\u1787\u17b6\u179c\u17c9\u17bb\u179b\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u1793\u17c5\u1791\u17bc\u1791\u17b6\u17c6\u1784\u179f\u17d2\u1790\u17b6\u1793\u17b8\u1799\u1793\u17c3 SPD \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u179c\u17b6\u179f\u1780\u1798\u17d2\u1798 \u178a\u17c2\u179b\u1788\u17b6\u1793\u178a\u179b\u17cb\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u1785\u179a\u1793\u17d2\u178f\u17a0\u17bc\u179a\u178f\u17b6\u1798\u179a\u1799\u17c8 SPD \u179f\u17d2\u1798\u17be\u1793\u17b9\u1784\u1785\u179a\u1793\u17d2\u178f\u1794\u1789\u17d2\u1785\u17c1\u1789\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6 (In)\u17d4.<\/p>\n<p><strong>\u179b\u1780\u17d2\u1781\u178e\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u1793\u17c3 Up:<\/strong><\/p>\n<ul>\n<li>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780\u1794\u17d2\u179a\u1797\u17c1\u1791\u1794\u17d2\u178f\u17bc\u179a\u179c\u17c9\u17bb\u179b Up \u1782\u17ba\u1787\u17b6\u179c\u17c9\u17bb\u179b\u1794\u1789\u17d2\u1785\u17c1\u1789\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6<\/li>\n<li>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780\u1794\u17d2\u179a\u1797\u17c1\u1791\u1782\u17c0\u1794 Up \u178f\u17c6\u178e\u17b6\u1784\u17b1\u17d2\u1799\u179c\u17c9\u17bb\u179b\u1780\u17c6\u1796\u17bc\u179b\u178a\u17c2\u179b\u179b\u17c1\u1785\u17a1\u17be\u1784\u1793\u17c5\u1791\u17bc\u1791\u17b6\u17c6\u1784\u179f\u17d2\u1790\u17b6\u1793\u17b8\u1799\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1794\u1789\u17d2\u1785\u17c1\u1789<\/li>\n<li>\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1791\u17b6\u1794\u1787\u17b6\u1784\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u1791\u1794\u17cb\u1791\u179b\u17cb\u1793\u17b9\u1784\u179c\u17c9\u17bb\u179b\u179b\u17be\u179f\u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a<\/li>\n<li>\u178f\u1798\u17d2\u179b\u17c3 Up \u1791\u17b6\u1794\u1787\u17b6\u1784\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1794\u17d2\u179a\u179f\u17be\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-18715\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/current-characteristic-of-a-SPD.webp\" alt=\"current characteristic of a SPD\" width=\"513\" height=\"402\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/current-characteristic-of-a-SPD.webp 352w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/current-characteristic-of-a-SPD-300x235.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/current-characteristic-of-a-SPD-15x12.webp 15w\" sizes=\"(max-width: 513px) 100vw, 513px\" \/><\/p>\n<h2>\u178f\u17b6\u179a\u17b6\u1784\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794 SPD Uc \u1793\u17b7\u1784 Up<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u1794\u17c9\u17b6\u179a\u17c9\u17b6\u1798\u17c9\u17c2\u178f\u17d2\u179a<\/th>\n<th>Uc (\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)<\/th>\n<th>Up (\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u179c\u17c9\u17bb\u179b)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u1793\u17b7\u1799\u1798\u1793\u17d0\u1799<\/strong><\/td>\n<td>\u179c\u17c9\u17bb\u179b\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u1793\u17d2\u178f<\/td>\n<td>\u179c\u17c9\u17bb\u179b\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780<\/td>\n<\/tr>\n<tr>\n<td><strong>\u1798\u17bb\u1781\u1784\u17b6\u179a<\/strong><\/td>\n<td>\u1780\u17c6\u178e\u178f\u17cb\u1780\u1798\u17d2\u179a\u17b7\u178f\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u179f\u1780\u1798\u17d2\u1798 SPD<\/td>\n<td>\u1780\u17c6\u178e\u178f\u17cb\u179c\u17c9\u17bb\u179b\u179a\u179b\u1780\u1791\u17c5\u17a7\u1794\u1780\u179a\u178e\u17cd<\/td>\n<\/tr>\n<tr>\n<td><strong>\u179b\u1780\u17d2\u1781\u178e\u17c8\u179c\u17b7\u1793\u17b7\u1785\u17d2\u1786\u17d0\u1799\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f<\/strong><\/td>\n<td>\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179b\u17be\u179f\u1796\u17b8\u179c\u17c9\u17bb\u179b\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6\u179a\u1794\u179f\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/td>\n<td>\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1791\u17b6\u1794\u1787\u17b6\u1784\u179c\u17c9\u17bb\u179b\u1791\u1794\u17cb\u1791\u179b\u17cb\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd<\/td>\n<\/tr>\n<tr>\n<td><strong>\u178f\u1798\u17d2\u179b\u17c3\u1792\u1798\u17d2\u1798\u178f\u17b6 (\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 230V)<\/strong><\/td>\n<td>275V, 320V, 385V<\/td>\n<td>1.5kV, 2.5kV, 4kV<\/td>\n<\/tr>\n<tr>\n<td><strong>\u1795\u179b\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796<\/strong><\/td>\n<td>\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u179f\u1780\u1798\u17d2\u1798\u1798\u17bb\u1793\u17a2\u17b6\u1799\u17bb<\/td>\n<td>\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd<\/td>\n<\/tr>\n<tr>\n<td><strong>\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u1799\u17c4\u1784<\/strong><\/td>\n<td>IEC 61643-11<\/td>\n<td>IEC 61643-11<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-17672\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-SPD.webp\" alt=\"VIOX SPD\" width=\"800\" height=\"776\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-SPD.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-SPD-300x291.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-SPD-768x745.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-SPD-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-SPD-600x582.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>\u179a\u1794\u17c0\u1794\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u178f\u1798\u17d2\u179b\u17c3 Uc \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1795\u17d2\u179f\u17c1\u1784\u17d7<\/h2>\n<h3>\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f Uc \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179c\u17c9\u17bb\u179b\u1791\u17bc\u1791\u17c5<\/h3>\n<p>\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u178f\u17b6\u179a\u17b6\u1784\u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u178f\u1798\u17d2\u179b\u17c3 Uc \u178a\u17c2\u179b\u1794\u17b6\u1793\u178e\u17c2\u1793\u17b6\u17c6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1795\u17d2\u179f\u17c1\u1784\u17d7\u1782\u17d2\u1793\u17b6:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/th>\n<th>Uc \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a<\/th>\n<th>Uc \u178a\u17c2\u179b\u1794\u17b6\u1793\u178e\u17c2\u1793\u17b6\u17c6<\/th>\n<th>\u179a\u17b9\u1798\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>220V \u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u178f\u17c2\u1798\u17bd\u1799<\/td>\n<td>255V<\/td>\n<td>275V<\/td>\n<td>25%<\/td>\n<\/tr>\n<tr>\n<td>230V \u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u178f\u17c2\u1798\u17bd\u1799<\/td>\n<td>255V<\/td>\n<td>275V-320V<\/td>\n<td>20-39%<\/td>\n<\/tr>\n<tr>\n<td>380V \u1794\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b<\/td>\n<td>320V<\/td>\n<td>385V<\/td>\n<td>21%<\/td>\n<\/tr>\n<tr>\n<td>400V \u1794\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b<\/td>\n<td>460V<\/td>\n<td>500V<\/td>\n<td>25%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote><p><strong>\ud83d\udca1 \u178a\u17c6\u1794\u17bc\u1793\u17d2\u1798\u17b6\u1793\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789\u17d6<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 230V \u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPD \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 Uc \u1799\u17c9\u17b6\u1784\u17a0\u17c4\u1785\u178e\u17b6\u179f\u17cb 275V \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u178a\u17c2\u179b\u1794\u17d2\u179a\u17be\u178f\u1798\u17d2\u179b\u17c3 Uc \u1793\u17c3 320V-385V \u178a\u17be\u1798\u17d2\u1794\u17b8\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1780\u17b6\u179a\u1794\u17d2\u179a\u17c2\u1794\u17d2\u179a\u17bd\u179b\u179c\u17c9\u17bb\u179b \u1793\u17b7\u1784\u1780\u17c6\u17a0\u17bb\u179f\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17d4.<\/p><\/blockquote>\n<h3>\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f Uc \u1798\u17bd\u1799\u1787\u17c6\u17a0\u17b6\u1793\u1798\u17d2\u178f\u1784 \u17d7<\/h3>\n<ol>\n<li><strong>\u1780\u17c6\u178e\u178f\u17cb\u17a2\u178f\u17d2\u178f\u179f\u1789\u17d2\u1789\u17b6\u178e\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/strong>\n<ul>\n<li>\u1780\u17c6\u178e\u178f\u17cb\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6 (Un)<\/li>\n<li>\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u1780\u17b6\u179a\u179a\u17c0\u1794\u1785\u17c6\u178a\u17b8\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 (TN, TT, IT)<\/li>\n<li>\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u1780\u17b6\u179a\u1794\u17d2\u179a\u17c2\u1794\u17d2\u179a\u17bd\u179b\u179c\u17c9\u17bb\u179b (\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6 \u00b110%)<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u1782\u178e\u1793\u17b6\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a Uc \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6<\/strong>\n<ul>\n<li>\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u178f\u17c2\u1798\u17bd\u1799\u1780\u17be\u178f\u17a1\u17be\u1784 \u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u178a\u17c2\u179b\u1793\u17c5\u179f\u179b\u17cb\u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7 \u221a3 \u178a\u1784\u1793\u17c3\u179c\u17c9\u17bb\u179b\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1792\u1798\u17d2\u1798\u178f\u17b6<\/li>\n<li>\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u178f\u17d2\u178f\u17b6\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796: Uc \u2265 1.3 \u00d7 Un (\u1794\u17b6\u1793\u178e\u17c2\u1793\u17b6\u17c6)<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u178f\u1798\u17d2\u179b\u17c3 Uc \u178a\u17c2\u179b\u179f\u1798\u179f\u17d2\u179a\u1794<\/strong>\n<ul>\n<li>\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1796\u17b8\u178f\u1798\u17d2\u179b\u17c3\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a: 255V, 275V, 320V, 385V, 420V<\/li>\n<li>\u178f\u17bb\u179b\u17d2\u1799\u1797\u17b6\u1796\u179a\u179c\u17b6\u1784\u179a\u17b9\u1798\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb \u1793\u17b7\u1784\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u17d2\u179a\u1780\u1794\u178a\u17c4\u1799\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<blockquote><p><strong>\u26a0\ufe0f \u1780\u17b6\u179a\u1796\u17d2\u179a\u1798\u17b6\u1793\u17a2\u17c6\u1796\u17b8\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u17d6<\/strong> \u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f Uc \u1781\u17d2\u1796\u179f\u17cb\u1796\u17c1\u1780\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799 SPD \u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1785\u17b6\u1794\u17cb\u1795\u17d2\u178f\u17be\u1798\u179f\u1780\u1798\u17d2\u1798\u1797\u17b6\u1796\u1780\u17b6\u179a\u1796\u17b6\u179a \u1793\u17b7\u1784\u1798\u17b7\u1793\u17a2\u17b6\u1785\u1794\u1789\u17d2\u1785\u17c1\u1789\u1785\u179a\u1793\u17d2\u178f\u179a\u179b\u1780\u1794\u17b6\u1793\u1799\u17c9\u17b6\u1784\u1798\u17b6\u1793\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u17d4.<\/p><\/blockquote>\n<h2>\u1798\u1782\u17d2\u1782\u17bb\u1791\u17d2\u1791\u17c1\u179f\u1780\u17cd\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f Up: \u1792\u17b6\u1793\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb<\/h2>\n<h3>\u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a Up<\/h3>\n<p>\u178a\u17be\u1798\u17d2\u1794\u17b8\u1792\u17b6\u1793\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u17d2\u179a\u1780\u1794\u178a\u17c4\u1799\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796 \u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u179c\u17c9\u17bb\u179b Up \u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1791\u17b6\u1794\u1787\u17b6\u1784\u179c\u17c9\u17bb\u179b\u179a\u17c6\u1789\u17c4\u1785\u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 Uw \u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1796\u17b6\u179a \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179a\u17b9\u1798\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1791\u17bc\u1791\u17c5\u1799\u17c9\u17b6\u1784\u17a0\u17c4\u1785\u178e\u17b6\u179f\u17cb 20% (Up \u2264 0.8 \u00d7 Uw)\u17d4.<\/p>\n<h3>\u179c\u17c9\u17bb\u179b\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1793\u17b9\u1784\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17bb\u1789\u1785\u17d2\u179a\u17b6\u1793\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u1794\u17d2\u179a\u1797\u17c1\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd<\/th>\n<th>\u1797\u17b6\u1796\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1793\u17b9\u1784\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17bb\u1789\u1785\u17d2\u179a\u17b6\u1793\u1792\u1798\u17d2\u1798\u178f\u17b6 (Uw)<\/th>\n<th>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a Up (\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u1782\u17d2\u179a\u17bf\u1784\u17a2\u17c1\u17a1\u17b7\u1785\u178f\u17d2\u179a\u17bc\u1793\u17b7\u1785\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7<\/td>\n<td>1.5kV<\/td>\n<td>\u22641.2kV<\/td>\n<\/tr>\n<tr>\n<td>\u17a7\u1794\u1780\u179a\u178e\u17cd IT \u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a<\/td>\n<td>2.5kV<\/td>\n<td>\u22642.0kV<\/td>\n<\/tr>\n<tr>\n<td>\u17a7\u1794\u1780\u179a\u178e\u17cd\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798<\/td>\n<td>4.0kV<\/td>\n<td>\u22643.2kV<\/td>\n<\/tr>\n<tr>\n<td>\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u1792\u17d2\u1784\u1793\u17cb<\/td>\n<td>6.0kV<\/td>\n<td>\u22644.8kV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f Up<\/h3>\n<ol>\n<li><strong>\u1780\u17c6\u178e\u178f\u17cb\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd<\/strong>\n<ul>\n<li>\u1780\u17c6\u178e\u178f\u17cb\u179c\u17c9\u17bb\u179b\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17bb\u1789\u1785\u17d2\u179a\u17b6\u1793\u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 Uw \u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a<\/li>\n<li>\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u1780\u1798\u17d2\u179a\u17b7\u178f\u1797\u17b6\u1796\u179f\u17ca\u17b6\u17c6 EMC \u1780\u17d2\u1793\u17bb\u1784\u1798\u17bd\u1799 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/4223\" rel=\"nofollow noopener\" target=\"_blank\">IEC 61000-4-5<\/a><\/li>\n<\/ul>\n<\/li>\n<li><strong>\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179a\u17b9\u1798\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796<\/strong>\n<ul>\n<li>\u1782\u178e\u1793\u17b6 Up \u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u178a\u17c2\u179b\u17a2\u17b6\u1785\u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u1794\u17b6\u1793\u17d6 Up \u2264 0.8 \u00d7 Uw<\/li>\n<li>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 230\/400V, Up \u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784\u1787\u17b6\u1791\u17bc\u1791\u17c5\u1782\u17bd\u179a\u178f\u17c2 \u22642.5kV<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u1795\u179b\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u1793\u17c3\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784<\/strong>\n<ul>\n<li>\u1782\u178e\u1793\u17b6\u1780\u17b6\u179a\u1792\u17d2\u179b\u17b6\u1780\u17cb\u1785\u17bb\u17c7\u179c\u17c9\u17bb\u179b\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1781\u17d2\u179f\u17c2\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb<\/li>\n<li>\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1787\u17b6\u1798\u17bd\u1799 SPDs \u1795\u17d2\u1793\u17c2\u1780\u1781\u17b6\u1784\u179b\u17be\/\u1781\u17b6\u1784\u1780\u17d2\u179a\u17c4\u1798<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>\u178f\u1798\u17d2\u179b\u17c3 Uc \u1793\u17b7\u1784 Up \u1791\u17bc\u1791\u17c5\u178a\u17c4\u1799\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8<\/h2>\n<h3>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u179b\u17c6\u1793\u17c5\u178a\u17d2\u178b\u17b6\u1793<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8<\/th>\n<th>Uc \u178a\u17c2\u179b\u1794\u17b6\u1793\u178e\u17c2\u1793\u17b6\u17c6<\/th>\n<th>Up \u1792\u1798\u17d2\u1798\u178f\u17b6<\/th>\n<th>\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Panel \u1798\u17c1 (230V)<\/td>\n<td>275V<\/td>\n<td>1.5-2.5kV<\/td>\n<td>\u1794\u17d2\u179a\u1797\u17c1\u1791 2<\/td>\n<\/tr>\n<tr>\n<td>\u1794\u1793\u17d2\u1791\u17c7\u179a\u1784<\/td>\n<td>275V<\/td>\n<td>1.5kV<\/td>\n<td>\u1794\u17d2\u179a\u1797\u17c1\u1791 2<\/td>\n<\/tr>\n<tr>\n<td>\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7<\/td>\n<td>275V<\/td>\n<td>\u22641.2kV<\/td>\n<td>\u1794\u17d2\u179a\u1797\u17c1\u1791 3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798\/\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8<\/th>\n<th>Uc \u178a\u17c2\u179b\u1794\u17b6\u1793\u178e\u17c2\u1793\u17b6\u17c6<\/th>\n<th>Up \u1792\u1798\u17d2\u1798\u178f\u17b6<\/th>\n<th>\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u1780\u17b6\u179a\u1785\u17c2\u1780\u1785\u17b6\u1799\u1798\u17c1 (400V)<\/td>\n<td>460V<\/td>\n<td>2.5-4kV<\/td>\n<td>\u1794\u17d2\u179a\u1797\u17c1\u1791 1+2<\/td>\n<\/tr>\n<tr>\n<td>\u1798\u1787\u17d2\u1788\u1798\u178e\u17d2\u178c\u179b\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u1798\u17c9\u17bc\u1791\u17d0\u179a<\/td>\n<td>385V<\/td>\n<td>2.5kV<\/td>\n<td>\u1794\u17d2\u179a\u1797\u17c1\u1791 2<\/td>\n<\/tr>\n<tr>\n<td>\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd IT<\/td>\n<td>275V<\/td>\n<td>1.5kV<\/td>\n<td>\u1794\u17d2\u179a\u1797\u17c1\u1791 3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote><p><strong>\ud83d\udca1 \u178a\u17c6\u1794\u17bc\u1793\u17d2\u1798\u17b6\u1793\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789\u17d6<\/strong> \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784 \u178f\u1798\u17d2\u179b\u17c3 Uc \u1793\u17c3 320V-385V \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1787\u17b6\u1791\u17bc\u1791\u17c5\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1794\u17b8\u17a0\u17d2\u179c\u17b6 \u178a\u17be\u1798\u17d2\u1794\u17b8\u1792\u17b6\u1793\u17b6\u1794\u17b6\u1793\u1793\u17bc\u179c\u179a\u17b9\u1798\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb \u1791\u17c4\u17c7\u1794\u17b8\u1787\u17b6 SPD \u1785\u17b6\u179f\u17cb\u1780\u17cf\u178a\u17c4\u1799\u17d4.<\/p><\/blockquote>\n<h2>\u1791\u17c6\u1793\u17b6\u1780\u17cb\u1791\u17c6\u1793\u1784\u179a\u179c\u17b6\u1784\u178f\u1798\u17d2\u179b\u17c3 Uc \u1793\u17b7\u1784 Up<\/h2>\n<h3>\u179a\u1794\u17c0\u1794\u178a\u17c2\u179b Uc \u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a Up<\/h3>\n<p>\u178f\u1798\u17d2\u179b\u17c3 Up \u179a\u1794\u179f\u17cb SPD \u1791\u17b6\u1780\u17cb\u1791\u1784\u1791\u17c5\u1793\u17b9\u1784\u178f\u1798\u17d2\u179b\u17c3 Uc \u2013 \u178f\u1798\u17d2\u179b\u17c3 Uc \u1792\u17c6\u1787\u17b6\u1784\u1787\u17b6\u1791\u17bc\u1791\u17c5\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u178f\u1798\u17d2\u179b\u17c3 Up \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u17d4 \u1791\u17c6\u1793\u17b6\u1780\u17cb\u1791\u17c6\u1793\u1784\u1793\u17c1\u17c7\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d6<\/p>\n<p><strong>\u1791\u17c6\u1793\u17b6\u1780\u17cb\u1791\u17c6\u1793\u1784\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u17d6<\/strong><\/p>\n<ul>\n<li>Uc \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784 = \u1780\u1798\u17d2\u179a\u17b7\u178f\u1785\u17b6\u1794\u17cb\u1795\u17d2\u178f\u17be\u1798\u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784<\/li>\n<li>Uc \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784 = \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u178f\u1798\u17d2\u179b\u17c3 Up \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784<\/li>\n<li>Up \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784 = \u1780\u17b6\u179a\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7<\/li>\n<li>\u178f\u1798\u17d2\u179b\u17c3 Uc \u1792\u17c6\u1787\u17b6\u1784\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u179c\u17c9\u17bb\u179b\u1785\u17b6\u1794\u17cb\u1795\u17d2\u178f\u17be\u1798 \u1793\u17b7\u1784\u179c\u17c9\u17bb\u179b\u179f\u17c6\u178e\u179b\u17cb\u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784<\/li>\n<\/ul>\n<h3>\u1799\u17bb\u1791\u17d2\u1792\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17d2\u179a\u179f\u17be\u179a<\/h3>\n<ol>\n<li><strong>\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f Uc \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u178a\u17c2\u179b\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb<\/strong>\n<ul>\n<li>\u1794\u17c6\u1796\u17c1\u1789\u178f\u17b6\u1798\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/li>\n<li>\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\u179c\u17c9\u17bb\u179b<\/li>\n<li>\u1787\u17c0\u179f\u179c\u17b6\u1784\u178f\u1798\u17d2\u179b\u17c3\u1781\u17d2\u1796\u179f\u17cb\u178a\u17c2\u179b\u1798\u17b7\u1793\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u178a\u17c2\u179b\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1781\u17bc\u1785\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1797\u17b6\u1796\u1786\u1794\u1782\u17d2\u1793\u17b6\u179a\u1794\u179f\u17cb Up<\/strong>\n<ul>\n<li>\u1792\u17b6\u1793\u17b6\u1790\u17b6 Up &lt; \u179c\u17c9\u17bb\u179b\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1793\u17b9\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd<\/li>\n<li>\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b<\/li>\n<li>\u1782\u178e\u1793\u17b6\u1780\u17b6\u179a\u1792\u17d2\u179b\u17b6\u1780\u17cb\u1785\u17bb\u17c7\u179c\u17c9\u17bb\u179b\u1793\u17c3\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPD \u178a\u17c4\u1799\u1794\u17d2\u179a\u1797\u17c1\u1791\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/h2>\n<h3>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 TN<\/h3>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 TN (TN-C, TN-S, TN-C-S) \u178a\u17c2\u179b\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u178a\u17b6\u1780\u17cb\u178a\u17b8 \u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792 SPD \u1795\u17d2\u179f\u17c1\u1784\u1782\u17d2\u1793\u17b6\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1791\u17b6\u1798\u1791\u17b6\u179a\u17d6<\/p>\n<table>\n<thead>\n<tr>\n<th>\u1794\u17d2\u179a\u1797\u17c1\u1791\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/th>\n<th>\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792 SPD<\/th>\n<th>Uc \u1792\u1798\u17d2\u1798\u178f\u17b6<\/th>\n<th>\u1780\u17c6\u178e\u178f\u17cb\u1785\u17c6\u178e\u17b6\u17c6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>TN-C<\/td>\n<td>3P (\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a L-PEN)<\/td>\n<td>275V-385V<\/td>\n<td>\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6 - \u178a\u17b8<\/td>\n<\/tr>\n<tr>\n<td>TN-S<\/td>\n<td>3P+N (L-PE, N-PE)<\/td>\n<td>275V-385V<\/td>\n<td>\u17a2\u1796\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b9\u178f\u178a\u17b6\u1785\u17cb\u178a\u17c4\u1799\u17a1\u17c2\u1780, \u178a\u17b8<\/td>\n<\/tr>\n<tr>\n<td>TN-C-S<\/td>\n<td>3P+N \u1793\u17c5\u1796\u17c1\u179b\u1794\u17d2\u178f\u17bc\u179a<\/td>\n<td>275V-385V<\/td>\n<td>\u1785\u17c6\u178e\u17bb\u1785\u1795\u17d2\u179b\u17b6\u179f\u17cb\u1794\u17d2\u178f\u17bc\u179a\u1798\u17b6\u1793\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 TT<\/h3>\n<p>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 TT \u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u17d2\u179a\u1786\u17b6\u17c6\u1784\u1793\u17b9\u1784 overvoltages \u1791\u17b6\u17c6\u1784 common-mode \u1793\u17b7\u1784 differential-mode \u178a\u17c4\u1799\u179f\u17b6\u179a\u178f\u17c2\u1797\u17b6\u1796\u1798\u17b7\u1793\u179f\u17ca\u17b8\u1798\u17c1\u1791\u17d2\u179a\u17b8\u1793\u17c3 impedance \u1795\u17c2\u1793\u178a\u17b8\u17d4.<\/p>\n<h3>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 IT<\/h3>\n<p>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 IT \u1798\u17b7\u1793\u1798\u17b6\u1793\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1795\u17c2\u1793\u178a\u17b8\u178a\u17c4\u1799\u1795\u17d2\u1791\u17b6\u179b\u17cb \u17ac\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1795\u17c2\u1793\u178a\u17b8 impedance \u1781\u17d2\u1796\u179f\u17cb \u178a\u17c2\u179b\u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u17b1\u17d2\u1799\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u1793\u17d2\u178f\u1780\u17d2\u1793\u17bb\u1784\u17a2\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17c6\u17a0\u17bb\u179f\u1795\u17c2\u1793\u178a\u17b8\u178f\u17c2\u1798\u17bd\u1799\u17d4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16658\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/05\/Different-varieties-and-colors-of-SPDs-are-displayed-on-the-wall.webp\" alt=\"Different varieties and colors of SPDs are displayed on the wall.\" width=\"800\" height=\"684\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/05\/Different-varieties-and-colors-of-SPDs-are-displayed-on-the-wall.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/05\/Different-varieties-and-colors-of-SPDs-are-displayed-on-the-wall-300x257.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/05\/Different-varieties-and-colors-of-SPDs-are-displayed-on-the-wall-768x657.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/05\/Different-varieties-and-colors-of-SPDs-are-displayed-on-the-wall-14x12.webp 14w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/05\/Different-varieties-and-colors-of-SPDs-are-displayed-on-the-wall-600x513.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>\u1780\u17b6\u179a\u178a\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u1794\u1789\u17d2\u17a0\u17b6 Uc \u1793\u17b7\u1784 Up \u1791\u17bc\u1791\u17c5<\/h2>\n<h3>\u1794\u1789\u17d2\u17a0\u17b6\u17d6 SPD \u1798\u17b7\u1793\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784<\/h3>\n<p><strong>\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1780\u17be\u178f\u1798\u17b6\u1793\u17d6<\/strong><\/p>\n<ul>\n<li>\u178f\u1798\u17d2\u179b\u17c3 Uc \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1781\u17d2\u1796\u179f\u17cb\u1796\u17c1\u1780\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/li>\n<li>\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u178a\u17b8\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c<\/li>\n<li>\u1780\u17b6\u179a\u1781\u17d2\u179f\u17c4\u17c7\u1787\u17b8\u179c\u1787\u17b6\u178f\u17b7\u1793\u17c3 SPD \u178f\u17b6\u1798\u1796\u17c1\u179b\u179c\u17c1\u179b\u17b6<\/li>\n<\/ul>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong><\/p>\n<ol>\n<li>\u1782\u178e\u1793\u17b6\u17a1\u17be\u1784\u179c\u17b7\u1789\u1793\u17bc\u179c\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u179a\u17bd\u1798\u1791\u17b6\u17c6\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1780\u17c6\u17a0\u17bb\u179f<\/li>\n<li>\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u178f\u1798\u17d2\u179b\u17c3 Uc \u1791\u17b6\u1794\u1787\u17b6\u1784\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1787\u17bd\u179a\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796<\/li>\n<li>\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1794\u17d2\u179a\u1797\u17c1\u1791 \u1793\u17b7\u1784\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\u178a\u17b8<\/li>\n<\/ol>\n<h3>\u1794\u1789\u17d2\u17a0\u17b6\u17d6 \u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd \u1791\u17c4\u17c7\u1794\u17b8\u1787\u17b6\u1798\u17b6\u1793\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u1780\u17cf\u178a\u17c4\u1799<\/h3>\n<p><strong>\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1780\u17be\u178f\u1798\u17b6\u1793\u17d6<\/strong><\/p>\n<ul>\n<li>\u178f\u1798\u17d2\u179b\u17c3 Up \u179b\u17be\u179f\u1796\u17b8\u179c\u17c9\u17bb\u179b\u1791\u1794\u17cb\u1791\u179b\u17cb\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd<\/li>\n<li>\u1780\u17b7\u1785\u17d2\u1785\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1798\u17b7\u1793\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb\u179a\u179c\u17b6\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f SPD<\/li>\n<li>\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 \u17ac\u1780\u17b6\u179a\u178a\u17b6\u1780\u17cb\u178a\u17b8 SPD \u1798\u17b7\u1793\u179b\u17d2\u17a2<\/li>\n<\/ul>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong><\/p>\n<ol>\n<li>\u1792\u17b6\u1793\u17b6\u1790\u17b6 Up \u2264 0.8 \u00d7 \u179c\u17c9\u17bb\u179b\u1791\u1794\u17cb\u1791\u179b\u17cb\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17bb\u1789\u1785\u17d2\u179a\u17b6\u1793\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd<\/li>\n<li>\u178a\u17c6\u17a1\u17be\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 SPD \u178a\u17c2\u179b\u1794\u17b6\u1793\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1793\u17c5\u1780\u1798\u17d2\u179a\u17b7\u178f\u1785\u17d2\u179a\u17be\u1793<\/li>\n<li>\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1795\u17c2\u1793\u178a\u17b8\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1791\u17b6\u1794<\/li>\n<\/ol>\n<h3>\u1794\u1789\u17d2\u17a0\u17b6\u17d6 \u1780\u17b6\u179a\u1787\u17c6\u1793\u17bd\u179f SPD \u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb<\/h3>\n<p><strong>\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1780\u17be\u178f\u1798\u17b6\u1793\u17d6<\/strong><\/p>\n<ul>\n<li>\u178f\u1798\u17d2\u179b\u17c3 Uc \u1787\u17b7\u178f\u1796\u17c1\u1780\u1791\u17c5\u1793\u17b9\u1784\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792<\/li>\n<li>\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793\u17a0\u17bd\u179f\u1794\u17d2\u179a\u1798\u17b6\u178e<\/li>\n<li>\u1780\u17b6\u179a\u1781\u17d2\u179f\u17c4\u17c7\u1787\u17b8\u179c\u1787\u17b6\u178f\u17b7\u1794\u179a\u17b7\u179f\u17d2\u1790\u17b6\u1793<\/li>\n<\/ul>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong><\/p>\n<ol>\n<li>\u1794\u1784\u17d2\u1780\u17be\u1793\u179a\u17b9\u1798\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 Uc<\/li>\n<li>\u178a\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u1794\u1789\u17d2\u17a0\u17b6\u1782\u17bb\u178e\u1797\u17b6\u1796\u1790\u17b6\u1798\u1796\u179b\u1793\u17c5\u1795\u17d2\u1793\u17c2\u1780\u1781\u17b6\u1784\u179b\u17be<\/li>\n<li>\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u17b6\u179b\u179c\u17b7\u1797\u17b6\u1782\u1790\u17c2\u1791\u17b6\u17c6\u1787\u17b6\u1794\u17d2\u179a\u1785\u17b6\u17c6<\/li>\n<\/ol>\n<h2>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1793\u17b7\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u1780\u17bc\u178a<\/h2>\n<h3>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a IEC<\/h3>\n<p><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/5682\" rel=\"nofollow noopener\" target=\"_blank\">IEC 61643-11<\/a> \u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb SPDs \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1785\u17c2\u1780\u1785\u17b6\u1799\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b IEC 62305-4 \u178a\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u1793\u17d2\u1791\u17c7\u17d4.<\/p>\n<p><strong>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u17d6<\/strong><\/p>\n<ul>\n<li>SPD \u1794\u17d2\u179a\u1797\u17c1\u1791 1 \u1787\u17b6\u1798\u17bd\u1799 Iimp \u226512.5kA \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1787\u17b6\u1798\u17bd\u1799\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u1793\u17d2\u1791\u17c7<\/li>\n<li>SPD \u1794\u17d2\u179a\u1797\u17c1\u1791 2 \u1787\u17b6\u1798\u17bd\u1799 In \u22655kA \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 AC \u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a<\/li>\n<li>\u1780\u17b7\u1785\u17d2\u1785\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u179a\u179c\u17b6\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a<\/li>\n<\/ul>\n<h3>\u1782\u17c4\u179b\u1780\u17b6\u179a\u178e\u17cd\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1793\u17c3\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784<\/h3>\n<p><strong>\u26a0\ufe0f \u1785\u17c6\u178e\u17bb\u1785\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u17d6<\/strong><\/p>\n<ul>\n<li>\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1792\u17d2\u179c\u17be\u17a1\u17be\u1784\u178a\u17c4\u1799\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb<\/li>\n<li>\u1780\u17b6\u179a\u178a\u17b6\u1780\u17cb\u178a\u17b8\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1782\u17ba\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a SPD<\/li>\n<li>\u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799 \u1793\u17b7\u1784\u1790\u17c2\u1791\u17b6\u17c6\u1787\u17b6\u1794\u17d2\u179a\u1785\u17b6\u17c6<\/li>\n<li>SPDs \u1782\u17bd\u179a\u178f\u17c2\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f\u1793\u17c3\u1780\u17b6\u179a\u1785\u1784\u17d2\u17a2\u17bb\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799<\/li>\n<\/ul>\n<h2>\u1782\u1793\u17d2\u179b\u17b9\u17c7\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789<\/h2>\n<h3>\u17a2\u1793\u17bb\u179f\u17b6\u179f\u1793\u17cd\u179c\u17b7\u1787\u17d2\u1787\u17b6\u1787\u17b8\u179c\u17c8<\/h3>\n<ol>\n<li><strong>\u178f\u17c2\u1784\u178f\u17c2\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPDs \u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb<\/strong>\n<ul>\n<li>\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPDs \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u178f\u17d2\u179a UL \u17ac IEC \u1796\u17b8\u1780\u1793\u17d2\u179b\u17c2\u1784\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u179b\u17d2\u1794\u17b8\u1788\u17d2\u1798\u17c4\u17c7<\/li>\n<li>\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u1780\u17bc\u178a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1780\u17d2\u1793\u17bb\u1784\u179f\u17d2\u179a\u17bb\u1780<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u179a\u1799\u17c8\u1796\u17c1\u179b\u179c\u17c2\u1784<\/strong>\n<ul>\n<li>\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u178f\u1798\u17d2\u179b\u17c3 Uc \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179a\u17b9\u1798\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb\u178a\u17be\u1798\u17d2\u1794\u17b8\u1782\u178e\u1793\u17b6\u1797\u17b6\u1796\u1785\u17b6\u179f\u17cb<\/li>\n<li>\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 In \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a2\u17b6\u1799\u17bb\u1780\u17b6\u179b SPD \u179c\u17c2\u1784\u1787\u17b6\u1784<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u179a\u17c0\u1794\u1785\u17c6\u1795\u17c2\u1793\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b7\u1785\u17d2\u1785\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b<\/strong>\n<ul>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd SPD \u1785\u17d2\u179a\u17be\u1793\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u178f\u17b6\u1798\u1794\u1791\u1794\u17d2\u1794\u1789\u17d2\u1789\u178f\u17d2\u178f\u17b7 534.4.4.5<\/li>\n<li>\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1790\u17b6\u1798\u1796\u179b\u179a\u179c\u17b6\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u1782\u178e\u1793\u17b6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1795\u17d2\u179b\u17b6\u179f\u17cb\u1794\u17d2\u178f\u17bc\u179a\u1793\u17b6\u1796\u17c1\u179b\u17a2\u1793\u17b6\u1782\u178f<\/strong>\n<ul>\n<li>\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1780\u17c2\u1794\u17d2\u179a\u17c2\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179f\u1780\u17d2\u178f\u17b6\u1793\u17bb\u1796\u179b<\/li>\n<li>\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17d2\u179a\u179f\u17be\u179a\u17a1\u17be\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd \u1793\u17b7\u1784\u1780\u17b6\u179a\u1795\u17d2\u179b\u17b6\u179f\u17cb\u1794\u17d2\u178f\u17bc\u179a\u1797\u17b6\u1796\u1794\u17d2\u179a\u17c2\u1794\u17d2\u179a\u17bd\u179b<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<blockquote><p><strong>\ud83d\udca1 \u178a\u17c6\u1794\u17bc\u1793\u17d2\u1798\u17b6\u1793\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789\u17d6<\/strong> \u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1785\u179a\u1793\u17d2\u178f\u1780\u17be\u1793\u17a1\u17be\u1784\u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784 \u1798\u17b7\u1793\u178f\u17c2\u1784\u178f\u17c2\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1794\u17d2\u179a\u179f\u17be\u179a\u1793\u17c4\u17c7\u1791\u17c1 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u17a2\u17b6\u1799\u17bb\u1780\u17b6\u179b SPD \u179c\u17c2\u1784\u1787\u17b6\u1784\u17d4.<\/p><\/blockquote>\n<h2>\u1787\u17b6\u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u1794\u17b6\u1793\u179f\u17bd\u179a\u179f\u17c6\u178e\u17bd\u179a<\/h2>\n<h3>\u178f\u17be\u1798\u17b6\u1793\u17a2\u17d2\u179c\u17b8\u1780\u17be\u178f\u17a1\u17be\u1784\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be Uc \u1791\u17b6\u1794\u1796\u17c1\u1780\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179a\u1794\u179f\u17cb\u1781\u17d2\u1789\u17bb\u17c6?<\/h3>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be Uc \u1791\u17b6\u1794\u1787\u17b6\u1784\u179c\u17c9\u17bb\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 SPD \u1793\u17b9\u1784\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1787\u17b6\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb \u178a\u17c2\u179b\u1793\u17b6\u17c6\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799\u1797\u17d2\u179b\u17b6\u1798\u17d7 \u1793\u17b7\u1784\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1780\u17be\u178f\u1798\u17b6\u1793\u17d4 \u178f\u17d2\u179a\u17bc\u179c\u1794\u17d2\u179a\u17b6\u1780\u178a\u1790\u17b6 Uc \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\u17d4.<\/p>\n<h3>\u178f\u17be\u1781\u17d2\u1789\u17bb\u17c6\u17a2\u17b6\u1785\u1794\u17d2\u179a\u17be SPD \u1787\u17b6\u1798\u17bd\u1799 Up \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u1794\u179f\u17cb\u1781\u17d2\u1789\u17bb\u17c6\u1794\u17b6\u1793\u1791\u17c1?<\/h3>\n<p>\u1791\u17c1 \u178f\u1798\u17d2\u179b\u17c3 Up \u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1791\u17b6\u1794\u1787\u17b6\u1784\u179c\u17c9\u17bb\u179b\u1791\u1794\u17cb\u1791\u179b\u17cb\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17bb\u1789\u1785\u17d2\u179a\u17b6\u1793\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780 \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179a\u17b9\u1798\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1799\u17c9\u17b6\u1784\u17a0\u17c4\u1785\u178e\u17b6\u179f\u17cb 20% (Up \u2264 0.8 \u00d7 Uw)\u17d4 \u178f\u1798\u17d2\u179b\u17c3 Up \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u17a2\u17b6\u1785\u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u17b1\u17d2\u1799\u179c\u17c9\u17bb\u179b\u178a\u17c2\u179b\u1794\u1784\u17d2\u1780\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1791\u17c5\u178a\u179b\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4.<\/p>\n<h3>\u178f\u17be\u1781\u17d2\u1789\u17bb\u17c6\u1780\u17c6\u178e\u178f\u17cb\u179c\u17c9\u17bb\u179b\u1791\u1794\u17cb\u1791\u179b\u17cb\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17bb\u1789\u1785\u17d2\u179a\u17b6\u1793\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u1794\u179f\u17cb\u1781\u17d2\u1789\u17bb\u17c6\u178a\u17c4\u1799\u179a\u1794\u17c0\u1794\u178e\u17b6?<\/h3>\n<p>\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179c\u17c9\u17bb\u179b\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17bb\u1789\u1785\u17d2\u179a\u17b6\u1793\u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 (Uw) \u17ac\u1794\u17d2\u179a\u1797\u17c1\u1791 overvoltage \u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7\u1794\u17c6\u1795\u17bb\u178f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 230\/400V \u1782\u17bd\u179a\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a\u1791\u17c5\u1794\u17d2\u179a\u1797\u17c1\u1791 overvoltage II (2.5kV) \u17d4.<\/p>\n<h3>\u178f\u17be\u1781\u17d2\u1789\u17bb\u17c6\u1782\u17bd\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u178f\u1798\u17d2\u179b\u17c3 Uc \u178a\u17c2\u179b\u1798\u17b6\u1793\u1781\u17d2\u1796\u179f\u17cb\u1794\u17c6\u1795\u17bb\u178f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u178a\u17c2\u179a\u17ac\u1791\u17c1?<\/h3>\n<p>\u1791\u17c1 \u178f\u1798\u17d2\u179b\u17c3 Uc \u1792\u17c6\u1787\u17b6\u1784\u1798\u17b7\u1793\u178f\u17c2\u1784\u178f\u17c2\u179b\u17d2\u17a2\u1787\u17b6\u1784\u1793\u17c4\u17c7\u1791\u17c1\u17d4 Uc \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u1793\u17c1\u17c7 \u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1798\u17b6\u1793\u179c\u17c9\u17bb\u179b\u1785\u17b6\u1794\u17cb\u1795\u17d2\u178f\u17be\u1798 \u1793\u17b7\u1784\u179c\u17c9\u17bb\u179b\u179f\u17c6\u178e\u179b\u17cb\u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784 \u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4 \u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f Uc \u179b\u17d2\u17a2\u1794\u17c6\u1795\u17bb\u178f\u178a\u17c4\u1799\u1795\u17d2\u17a2\u17c2\u1780\u179b\u17be\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4.<\/p>\n<h3>\u178f\u17be SPDs \u1782\u17bd\u179a\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u1794\u17c9\u17bb\u178e\u17d2\u178e\u17b6?<\/h3>\n<p>\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1787\u17b6\u1794\u17d2\u179a\u1785\u17b6\u17c6\u1782\u17ba\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb \u178a\u17c4\u1799 SPDs \u178a\u17c2\u179b\u1798\u17b6\u1793\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u1798\u17b7\u1793\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a \u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1787\u17c6\u1793\u17bd\u179f\u1797\u17d2\u179b\u17b6\u1798\u17d7\u17d4 \u1780\u17c6\u178e\u178f\u17cb\u1796\u17c1\u179b\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1794\u17d2\u179a\u1785\u17b6\u17c6\u1786\u17d2\u1793\u17b6\u17c6 \u17ac\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1796\u17b8\u1798\u17b6\u1793\u1796\u17d2\u179a\u17b9\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178e\u17cd\u1780\u17be\u1793\u17a1\u17be\u1784\u1799\u17c9\u17b6\u1784\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d4.<\/p>\n<h3>\u178f\u17be\u17a2\u17d2\u179c\u17b8\u1787\u17b6\u1797\u17b6\u1796\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u179a\u179c\u17b6\u1784 SPDs \u1794\u17d2\u179a\u1797\u17c1\u1791 1 \u1794\u17d2\u179a\u1797\u17c1\u1791 2 \u1793\u17b7\u1784\u1794\u17d2\u179a\u1797\u17c1\u1791 3?<\/h3>\n<p>Type 1 SPDs handle direct lightning strikes (10\/350 \u00b5s), Type 2 SPDs provide main installation protection (8\/20 \u00b5s), and Type 3 SPDs protect individual equipment near loads.<\/p>\n<h2>\u179f\u17c1\u1785\u1780\u17d2\u178f\u17b8\u179f\u1793\u17d2\u1793\u17b7\u178a\u17d2\u178b\u17b6\u1793\u17d6 \u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17d4<\/h2>\n<p>Understanding Uc and Up parameters is essential for effective surge protection. Properly selected Uc values ensure SPDs activate appropriately during surge events, while correct Up values guarantee adequate equipment protection.<\/p>\n<p><strong>Key takeaways for optimal selection:<\/strong><\/p>\n<ul>\n<li>Choose Uc with adequate safety margin above system voltage<\/li>\n<li>Ensure Up remains below equipment withstand capability<\/li>\n<li>Consider system earthing arrangement and fault conditions<\/li>\n<li>Implement coordinated protection across multiple levels<\/li>\n<li>Prioritize certified SPDs with proper installation<\/li>\n<\/ul>\n<p>For complex installations or critical applications, consult with qualified electrical engineers to ensure optimal SPD selection and system protection. The investment in proper surge protection far outweighs the cost of replacing damaged equipment and system downtime.<\/p>\n<h2>\u1796\u17b6\u1780\u17cb\u1796\u17d0\u1793\u17d2\u1792<\/h2>\n<p><a href=\"https:\/\/test.viox.com\/km\/what-is-a-surge-protection-device\/\">\u178f\u17be\u17a2\u17d2\u179c\u17b8\u1791\u17c5\u1787\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780 (SPD)<\/a><\/p>\n<p><a href=\"https:\/\/test.viox.com\/km\/how-surge-protection-devices-divert-and-limit-transient-voltages-for-safety-and-reliability\/\">\u178f\u17be SPDs \u1794\u1784\u17d2\u179c\u17c2\u179a \u17ac\u1780\u17c6\u178e\u178f\u17cb\u179c\u17c9\u17bb\u179b\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793\u1799\u17c9\u17b6\u1784\u178a\u17bc\u1785\u1798\u17d2\u178f\u17c1\u1785 \u178a\u17be\u1798\u17d2\u1794\u17b8\u1792\u17b6\u1793\u17b6\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 \u1793\u17b7\u1784\u1797\u17b6\u1796\u1787\u17bf\u1787\u17b6\u1780\u17cb<\/a><\/p>\n<p><a href=\"https:\/\/test.viox.com\/km\/how-to-choose-the-right-spd-for-your-solar-power-system\/\">\u179a\u1794\u17c0\u1794\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPD \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4<\/a><\/p>\n<p><a href=\"https:\/\/test.viox.com\/km\/why-we-use-ac-in-home-not-dc\/\">\u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6\u1799\u17be\u1784\u1794\u17d2\u179a\u17be AC \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1795\u17d2\u1791\u17c7\u1798\u17b7\u1793\u1798\u17c2\u1793 DC<\/a><\/p>\n<p><a href=\"https:\/\/test.viox.com\/km\/surge-protective-device-type-1-vs-type-2-vs-type-3\/\">\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u1794\u17d2\u179a\u1797\u17c1\u1791 1 \u1791\u179b\u17cb\u1793\u17b9\u1784\u1794\u17d2\u179a\u1797\u17c1\u1791 2 \u1793\u17b7\u1784\u1794\u17d2\u179a\u1797\u17c1\u1791 3<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Uc and Up are two critical voltage parameters that determine how effectively a Surge Protection Device (SPD) will protect your electrical equipment. Uc represents the maximum continuous operating voltage, while Up indicates the voltage protection level that limits surge voltage during activation. Understanding these parameters correctly ensures optimal surge protection and prevents costly equipment damage. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18718,"comment_status":"closed","ping_status":"open","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-18696","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\/18696","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=18696"}],"version-history":[{"count":0,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/18696\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media\/18718"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media?parent=18696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/categories?post=18696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/tags?post=18696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}