{"id":20339,"date":"2025-11-27T10:07:19","date_gmt":"2025-11-27T02:07:19","guid":{"rendered":"https:\/\/viox.com\/?post_type=product&#038;p=20339"},"modified":"2025-11-27T10:09:09","modified_gmt":"2025-11-27T02:09:09","slug":"vob4-125-mcb","status":"publish","type":"product","link":"https:\/\/test.viox.com\/ms\/product\/vob4-125-mcb\/","title":{"rendered":"VOB4-125 MCB \u2013 \u5927\u7535\u6d41 6kA \u5fae\u578b\u65ad\u8def\u5668"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>VOB4-125 High-Current Miniature Circuit Breaker<\/h2>\n<p><strong>Professional MCB for 80A-125A Heavy-Load Applications<\/strong> &#8211; VIOX VOB4-125 series miniature circuit breakers provide reliable high-current protection for main distribution boards, commercial buildings, and heavy-load installations. IEC 60898-1 certified with 6kA breaking capacity, enhanced 6000 electrical cycles durability, rated from 80A to 125A.<\/p>\n<h2>Complete Technical Specifications<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Product Series<\/strong><\/td>\n<td>VOB4-125<\/td>\n<\/tr>\n<tr>\n<td><strong>Rated Current (In)<\/strong><\/td>\n<td><strong>80A, 100A, 125A<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Number of Poles<\/strong><\/td>\n<td>1P, 2P, 3P, 4P<\/td>\n<\/tr>\n<tr>\n<td><strong>Breaking Capacity (Icn)<\/strong><\/td>\n<td><strong>6000A<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Rated Voltage<\/strong><\/td>\n<td>230V\/400V~, 240V\/415V~<\/td>\n<\/tr>\n<tr>\n<td><strong>Trip Unit Technology<\/strong><\/td>\n<td>Thermal-magnetic<\/td>\n<\/tr>\n<tr>\n<td><strong>Curve Code (Trip Characteristics)<\/strong><\/td>\n<td><strong>C, D<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Rated Impulse Withstand Voltage (Uimp)<\/strong><\/td>\n<td>4000V<\/td>\n<\/tr>\n<tr>\n<td><strong>Mechanical Durability<\/strong><\/td>\n<td>10,000 cycles<\/td>\n<\/tr>\n<tr>\n<td><strong>Electrical Durability<\/strong><\/td>\n<td><strong>6,000 cycles<\/strong> (enhanced)<\/td>\n<\/tr>\n<tr>\n<td><strong>Endurance<\/strong><\/td>\n<td><strong>\u226520,000 cycles<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Tightening Torque<\/strong><\/td>\n<td>M7 3.5N\u00b7m \u26a0<\/td>\n<\/tr>\n<tr>\n<td><strong>Protection Degree<\/strong><\/td>\n<td>IP20<\/td>\n<\/tr>\n<tr>\n<td><strong>Ambient Temperature Range<\/strong><\/td>\n<td>-5\u00b0C to +40\u00b0C<\/td>\n<\/tr>\n<tr>\n<td><strong>Standards Compliance<\/strong><\/td>\n<td>IEC 60898-1<\/td>\n<\/tr>\n<tr>\n<td><strong>Mounting<\/strong><\/td>\n<td>35mm DIN rail (IEC\/EN 60715)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>VOB4-125 Key Advantages<\/h2>\n<h3>1. High Current Capacity for Heavy Loads<\/h3>\n<p>The VOB4-125 series is specifically designed for high-current applications from 80A to 125A, making it perfect for:<\/p>\n<ul>\n<li>Main distribution boards in commercial buildings<\/li>\n<li>Heavy-load circuits in industrial facilities<\/li>\n<li>Large motor and transformer protection<\/li>\n<li>High-power HVAC systems<\/li>\n<li>Commercial kitchen equipment<\/li>\n<li>Data center power distribution<\/li>\n<\/ul>\n<h3>2. Enhanced Electrical Durability &#8211; 6,000 Cycles<\/h3>\n<p>Unlike standard MCBs with 4,000 electrical cycles, the VOB4-125 offers <strong>6,000 electrical cycles<\/strong> &#8211; a 50% increase in durability. This means:<\/p>\n<ul>\n<li>Longer service life in demanding applications<\/li>\n<li>Reduced maintenance and replacement costs<\/li>\n<li>Better performance in circuits with frequent load switching<\/li>\n<li>Higher reliability for critical installations<\/li>\n<\/ul>\n<h3>3. Superior Endurance Rating<\/h3>\n<p>With an endurance rating of <strong>\u226520,000 cycles<\/strong>, the VOB4-125 is built for the long term, providing:<\/p>\n<ul>\n<li>Extended operational lifespan<\/li>\n<li>Consistent performance over years of service<\/li>\n<li>Cost-effective solution for high-usage environments<\/li>\n<\/ul>\n<h3>4. Versatile Voltage Compatibility<\/h3>\n<p>Supporting both 230V\/400V~ and 240V\/415V~ voltage systems, the VOB4-125 is suitable for:<\/p>\n<ul>\n<li>International projects with different voltage standards<\/li>\n<li>Both European and Asian electrical systems<\/li>\n<li>Multi-voltage installations<\/li>\n<\/ul>\n<hr \/>\n<h2>Trip Curve Selection Guide<\/h2>\n<p>The VOB4-125 is available in Type C and Type D curves to match your specific application:<\/p>\n<h3>Type C Curve MCB (5-10 \u00d7 In) &#8211; Recommended<\/h3>\n<p><strong>Best for general commercial and light industrial applications:<\/strong><\/p>\n<ul>\n<li>Main distribution boards with mixed loads<\/li>\n<li>Large air conditioning systems and HVAC equipment<\/li>\n<li>Commercial building power distribution<\/li>\n<li>Transformers and inductive loads<\/li>\n<li>Motor-driven equipment (pumps, fans, compressors)<\/li>\n<li>General power panels with moderate inrush currents<\/li>\n<\/ul>\n<p><strong>Trip Range:<\/strong> 5-10 times rated current<br \/>\n<strong>Typical Applications:<\/strong> Most commercial buildings, offices, retail spaces<\/p>\n<h3>Type D Curve MCB (10-20 \u00d7 In)<\/h3>\n<p><strong>Best for heavy industrial applications with high inrush currents:<\/strong><\/p>\n<ul>\n<li>Large industrial motors and motor starters<\/li>\n<li>Heavy transformers with high magnetizing inrush<\/li>\n<li>Welding equipment and industrial machinery<\/li>\n<li>X-ray and medical imaging equipment<\/li>\n<li>Capacitive loads with high starting currents<\/li>\n<li>Industrial manufacturing equipment<\/li>\n<\/ul>\n<p><strong>Trip Range:<\/strong> 10-20 times rated current<br \/>\n<strong>Typical Applications:<\/strong> Industrial plants, heavy machinery, specialized equipment<\/p>\n<hr \/>\n<h2>Applications by Market Segment<\/h2>\n<h3>Commercial Buildings &amp; Offices<\/h3>\n<ul>\n<li><strong>Main Distribution Boards:<\/strong> 80A-125A feeders for sub-distribution<\/li>\n<li><strong>HVAC Systems:<\/strong> Large rooftop units, chillers, central air conditioning<\/li>\n<li><strong>Elevator &amp; Escalator Systems:<\/strong> Main power protection<\/li>\n<li><strong>Commercial Kitchen Equipment:<\/strong> Industrial ovens, refrigeration systems<\/li>\n<li><strong>Retail Stores:<\/strong> Main incoming protection for large retail spaces<\/li>\n<li><strong>Shopping Malls:<\/strong> Sub-main distribution circuits<\/li>\n<\/ul>\n<h3>Residential Applications<\/h3>\n<ul>\n<li><strong>High-Load Residential Buildings:<\/strong> Main incoming protection for large homes<\/li>\n<li><strong>Multi-Unit Dwellings:<\/strong> Distribution boards for apartment buildings<\/li>\n<li><strong>Luxury Homes:<\/strong> High-power circuits for pools, spas, home theaters<\/li>\n<li><strong>Whole-House Protection:<\/strong> Main breaker for high-load residences<\/li>\n<li><strong>Electric Vehicle Charging:<\/strong> High-current EV charging installations<\/li>\n<\/ul>\n<h3>Industrial Facilities<\/h3>\n<ul>\n<li><strong>Motor Control Centers:<\/strong> Protection for large industrial motors<\/li>\n<li><strong>Manufacturing Plants:<\/strong> Main distribution for production lines<\/li>\n<li><strong>Factory Power Distribution:<\/strong> Sub-main circuits in industrial facilities<\/li>\n<li><strong>Heavy Machinery:<\/strong> Protection for high-power industrial equipment<\/li>\n<li><strong>Process Equipment:<\/strong> Industrial automation and control systems<\/li>\n<\/ul>\n<h3>Infrastructure &amp; Utilities<\/h3>\n<ul>\n<li><strong>Public Buildings:<\/strong> Schools, hospitals, government facilities<\/li>\n<li><strong>Transportation Hubs:<\/strong> Airports, train stations, bus terminals<\/li>\n<li><strong>Telecom &amp; Data Centers:<\/strong> High-current power distribution<\/li>\n<li><strong>Water Treatment Plants:<\/strong> Pump and motor protection<\/li>\n<li><strong>Municipal Buildings:<\/strong> Main distribution protection<\/li>\n<\/ul>\n<h3>Specialized Applications<\/h3>\n<ul>\n<li><strong>Solar PV Systems:<\/strong> Main DC\/AC protection circuits<\/li>\n<li><strong>Battery Energy Storage:<\/strong> High-current storage system protection<\/li>\n<li><strong>Emergency Power Systems:<\/strong> Generator and UPS distribution<\/li>\n<li><strong>Medical Facilities:<\/strong> Critical power distribution circuits<\/li>\n<li><strong>Hospitality:<\/strong> Hotels, resorts, conference centers<\/li>\n<\/ul>\n<hr \/>\n<h2>VOB4-125 vs Lower-Rated MCBs<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr>\n<th>Feature<\/th>\n<th>VOB4-63 (1A-63A)<\/th>\n<th>VOB4-125 (80A-125A)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Current Range<\/strong><\/td>\n<td>1A-63A<\/td>\n<td><strong>80A-125A<\/strong> \u26a1<\/td>\n<\/tr>\n<tr>\n<td><strong>Electrical Durability<\/strong><\/td>\n<td>4,000 cycles<\/td>\n<td><strong>6,000 cycles<\/strong> \u2713<\/td>\n<\/tr>\n<tr>\n<td><strong>Endurance<\/strong><\/td>\n<td>Not specified<\/td>\n<td><strong>\u226520,000 cycles<\/strong> \u2713<\/td>\n<\/tr>\n<tr>\n<td><strong>Tightening Torque<\/strong><\/td>\n<td>M5 2.5N\u00b7m<\/td>\n<td><strong>M7 3.5N\u00b7m<\/strong> (larger terminals)<\/td>\n<\/tr>\n<tr>\n<td><strong>Breaking Capacity<\/strong><\/td>\n<td>6kA\/10kA<\/td>\n<td><strong>6kA<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Primary Use<\/strong><\/td>\n<td>Branch circuits<\/td>\n<td><strong>Main &amp; Sub-Main Distribution<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Typical Installation<\/strong><\/td>\n<td>Final circuits<\/td>\n<td><strong>Distribution boards, feeders<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Choose VOB4-125 when:<\/strong><\/p>\n<ul>\n<li>Main distribution board protection is required (80A-125A)<\/li>\n<li>High electrical durability (6,000 cycles) is needed<\/li>\n<li>Heavy-load applications demand robust protection<\/li>\n<li>Long-term reliability (20,000+ cycles) is critical<\/li>\n<li>Feeder circuits require high-current protection<\/li>\n<\/ul>\n<hr \/>\n<h2>Dimensions &amp; Installation Data<\/h2>\n<p><strong>Modular Width (Standard 18mm Module):<\/strong><\/p>\n<ul>\n<li>1P: 1 module (17.8mm)<\/li>\n<li>2P: 2 modules (35.6mm)<\/li>\n<li>3P: 3 modules (53.4mm)<\/li>\n<li>4P: 4 modules (71.2mm)<\/li>\n<\/ul>\n<p><strong>Physical Dimensions:<\/strong><\/p>\n<ul>\n<li>Height: 89.6mm (taller than standard MCB for enhanced heat dissipation)<\/li>\n<li>Depth: 76.4mm<\/li>\n<li>Width: 71.2mm (4P), 53.4mm (3P), 35.6mm (2P), 17.8mm (1P)<\/li>\n<\/ul>\n<p><strong>Installation Requirements:<\/strong><\/p>\n<ul>\n<li>Mounting: Standard 35mm DIN rail per IEC\/EN 60715<\/li>\n<li>Terminal type: Larger screw terminals for high-current capacity<\/li>\n<li>Terminal torque: M7 3.5N\u00b7m (higher than standard MCBs)<\/li>\n<li>Wire compatibility: Suitable for high-current conductors<\/li>\n<li>Ventilation: Ensure adequate spacing for heat dissipation in high-load applications<\/li>\n<\/ul>\n<p><strong>Important Installation Notes:<\/strong><\/p>\n<ul>\n<li>Use appropriately rated conductors for 80A-125A loads<\/li>\n<li>Ensure proper torque application to prevent loose connections<\/li>\n<li>Allow adequate ventilation space around the MCB<\/li>\n<li>Consider ambient temperature derating for enclosed panels<\/li>\n<\/ul>\n<figure><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-20340\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/VOB4-125-MCB.webp\" alt=\"VOB4-125 MCB\" width=\"1054\" height=\"564\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/VOB4-125-MCB.webp 1054w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/VOB4-125-MCB-300x161.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/VOB4-125-MCB-1024x548.webp 1024w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/VOB4-125-MCB-768x411.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/VOB4-125-MCB-18x10.webp 18w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/VOB4-125-MCB-600x321.webp 600w\" sizes=\"(max-width: 1054px) 100vw, 1054px\" \/><figcaption><\/figcaption><\/figure>\n<hr \/>\n<h2>Certifications &amp; Quality Standards<\/h2>\n<h3>International Standards Compliance<\/h3>\n<p>\u2713 <strong>IEC 60898-1:<\/strong> Circuit breakers for overcurrent protection in household and similar installations<br \/>\n\u2713 <strong>6kA Breaking Capacity:<\/strong> Tested and certified short-circuit interruption rating<br \/>\n\u2713 <strong>IP20 Protection Degree:<\/strong> Suitable for standard electrical enclosures<br \/>\n\u2713 <strong>Thermal-Magnetic Trip:<\/strong> Proven protection technology<\/p>\n<h3>Manufacturing Quality<\/h3>\n<p>\u2713 <strong>ISO 9001:2015 Certified:<\/strong> Quality management system certified manufacturer<br \/>\n\u2713 <strong>100% Factory Testing:<\/strong> Each unit electrically tested before shipment<br \/>\n\u2713 <strong>Enhanced Durability:<\/strong> 6,000 electrical cycles, \u226520,000 endurance cycles<br \/>\n\u2713 <strong>Full Traceability:<\/strong> Batch tracking and quality documentation<br \/>\n\u2713 <strong>EU RoHS Compliant:<\/strong> Environmentally responsible manufacturing<\/p>\n<h3>Quality Assurance<\/h3>\n<ul>\n<li>Rigorous testing for breaking capacity verification<\/li>\n<li>Temperature rise testing for high-current applications<\/li>\n<li>Endurance testing to \u226520,000 cycles<\/li>\n<li>Continuous production quality monitoring<\/li>\n<\/ul>\n<hr \/>\n<h2>Installation &amp; Selection Guide<\/h2>\n<h3>Current Rating Selection<\/h3>\n<p><strong>How to Choose the Right Current Rating:<\/strong><\/p>\n<ol>\n<li><strong>Calculate Load Requirements:<\/strong>\n<ul>\n<li>Measure actual load current<\/li>\n<li>Add safety margin (typically 125% of continuous load)<\/li>\n<li>Consider future expansion needs<\/li>\n<\/ul>\n<\/li>\n<li><strong>80A Rating:<\/strong>\n<ul>\n<li><strong>Typical Loads:<\/strong> 55-64kW continuous load (400V 3-phase)<\/li>\n<li><strong>Best For:<\/strong> Sub-main distribution, medium HVAC systems<\/li>\n<li><strong>Example:<\/strong> 50kW central air conditioning system<\/li>\n<\/ul>\n<\/li>\n<li><strong>100A Rating:<\/strong>\n<ul>\n<li><strong>Typical Loads:<\/strong> 69-80kW continuous load (400V 3-phase)<\/li>\n<li><strong>Best For:<\/strong> Main distribution in medium commercial buildings<\/li>\n<li><strong>Example:<\/strong> Office building main distribution board<\/li>\n<\/ul>\n<\/li>\n<li><strong>125A Rating:<\/strong>\n<ul>\n<li><strong>Typical Loads:<\/strong> 86-100kW continuous load (400V 3-phase)<\/li>\n<li><strong>Best For:<\/strong> Large commercial main distribution, industrial feeders<\/li>\n<li><strong>Example:<\/strong> Shopping center main incoming breaker<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>Pole Configuration Selection<\/h3>\n<p><strong>1-Pole (1P):<\/strong> Single-phase loads, 230V\/240V circuits<br \/>\n<strong>2-Pole (2P):<\/strong> Single-phase loads with neutral protection, 230V\/240V<br \/>\n<strong>3-Pole (3P):<\/strong> Three-phase loads without neutral, 400V\/415V<br \/>\n<strong>4-Pole (4P):<\/strong> Three-phase loads with neutral protection, 400V\/415V<\/p>\n<p><strong>Most Common:<\/strong> 3P and 4P configurations for commercial\/industrial three-phase systems<\/p>\n<hr \/>\n<h2>Why VIOX Electric for High-Current MCBs?<\/h2>\n<h3>Specialized High-Current Expertise<\/h3>\n<ul>\n<li>Extensive experience in 80A-125A MCB manufacturing<\/li>\n<li>Advanced thermal management design for high-load applications<\/li>\n<li>Enhanced contact materials for superior electrical performance<\/li>\n<li>Rigorous testing protocols for high-current applications<\/li>\n<\/ul>\n<h3>Manufacturing Capabilities<\/h3>\n<ul>\n<li>ISO 9001:2015 certified production facility<\/li>\n<li>Advanced automated assembly lines<\/li>\n<li>In-house testing laboratory with high-current test equipment<\/li>\n<li>Consistent quality control for every unit<\/li>\n<\/ul>\n<h3>Customer Support<\/h3>\n<ul>\n<li><strong>Pre-Sales:<\/strong> Application engineering support, load calculation assistance<\/li>\n<li><strong>Technical:<\/strong> Detailed specifications, CAD drawings, installation guidance<\/li>\n<li><strong>After-Sales:<\/strong> Technical troubleshooting, warranty support<\/li>\n<li><strong>Training:<\/strong> Product training for distributors and contractors<\/li>\n<\/ul>\n<h3>Supply Flexibility<\/h3>\n<ul>\n<li>Small sample orders for testing and evaluation<\/li>\n<li>Large volume orders for projects and distributors<\/li>\n<li>Mixed configurations in single orders<\/li>\n<li>Custom labeling and packaging options<\/li>\n<\/ul>\n<hr \/>\n<h2>How to Order VOB4-125 MCB<\/h2>\n<p><strong>Model Numbering System:<\/strong> VOB4-125 [Poles] [Curve] [Rating]<\/p>\n<p><strong>Ordering Examples:<\/strong><\/p>\n<ul>\n<li><strong>VOB4-125 3P C 100A<\/strong> &#8211; 3-Pole, Type C curve, 100A rated current<\/li>\n<li><strong>VOB4-125 4P C 125A<\/strong> &#8211; 4-Pole, Type C curve, 125A rated current<\/li>\n<li><strong>VOB4-125 2P D 80A<\/strong> &#8211; 2-Pole, Type D curve, 80A rated current<\/li>\n<\/ul>\n<p><strong>Ordering Checklist:<\/strong><\/p>\n<ol>\n<li>\u2610 Number of poles (1P, 2P, 3P, 4P)<\/li>\n<li>\u2610 Trip curve type (C or D)<\/li>\n<li>\u2610 Rated current (80A, 100A, or 125A)<\/li>\n<li>\u2610 Quantity required<\/li>\n<li>\u2610 Voltage system (230V\/400V or 240V\/415V)<\/li>\n<li>\u2610 Project timeline and delivery requirements<\/li>\n<\/ol>\n<hr \/>\n<h2>Get Your Quote Today<\/h2>\n<h3>Contact VIOX Electric &#8211; High-Current MCB Specialist<\/h3>\n<p><strong>For Electrical Contractors:<\/strong><\/p>\n<ul>\n<li>Project-specific quotations<\/li>\n<li>Technical application support<\/li>\n<li>Fast delivery for urgent projects<\/li>\n<li>Mixed ratings and configurations available<\/li>\n<\/ul>\n<p><strong>For Panel Builders &amp; Distributors:<\/strong><\/p>\n<ul>\n<li>Volume pricing tiers<\/li>\n<li>Distributor partnership programs<\/li>\n<li>Technical training and support<\/li>\n<li>Custom labeling options<\/li>\n<\/ul>\n<p><strong>For Engineers &amp; Specifiers:<\/strong><\/p>\n<ul>\n<li>Technical datasheets and certifications<\/li>\n<li>CAD drawings and panel layout support<\/li>\n<li>Application engineering consultation<\/li>\n<li>Sample requests for testing<\/li>\n<\/ul>\n<h2>Frequently Asked Questions (FAQ)<\/h2>\n<p><strong>Q: What&#8217;s the difference between VOB4-125 and standard 63A MCBs?<\/strong><br \/>\nA: VOB4-125 is designed for high-current applications (80A-125A) with enhanced electrical durability (6,000 cycles vs. 4,000) and superior endurance (\u226520,000 cycles). It&#8217;s used in main distribution boards, while 63A and below are typically for branch circuits.<\/p>\n<p><strong>Q: Can I use VOB4-125 as a main breaker for a commercial building?<\/strong><br \/>\nA: Yes, the VOB4-125 is ideal for main or sub-main distribution in commercial buildings. Choose the current rating based on your calculated load requirements plus safety margin.<\/p>\n<p><strong>Q: What wire size should I use with VOB4-125?<\/strong><br \/>\nA: Wire sizing depends on local electrical codes and installation conditions. For 125A, typically 25mm\u00b2 to 35mm\u00b2 copper conductors are required. Consult local codes or our technical team for specific recommendations.<\/p>\n<p><strong>Q: Is VOB4-125 suitable for three-phase systems?<\/strong><br \/>\nA: Yes, VOB4-125 is available in 3P and 4P configurations specifically for three-phase 400V\/415V systems, commonly used in commercial and industrial installations.<\/p>\n<p><strong>Q: What&#8217;s the lead time for bulk orders?<\/strong><br \/>\nA: Standard lead time is 2-4 weeks for volume orders. Contact our sales team for urgent requirements or large projects.<\/p>\n<p><strong>Q: Do you provide installation training?<\/strong><br \/>\nA: Yes, we offer technical training for distributors and electrical contractors. Contact us for training schedules and materials.<\/p>\n<hr \/>\n<h2>Related VIOX Circuit Protection Products<\/h2>\n<p><strong>VOB4-63 Series (1A-63A):<\/strong> Standard current MCBs for branch circuit protection<br \/>\n<strong>MCCB Series:<\/strong> Molded case circuit breakers up to 1600A for higher ratings<br \/>\n<strong>RCCB\/RCBO:<\/strong> Residual current protection with earth leakage detection<br \/>\n<strong>ACB Series:<\/strong> Air circuit breakers for main distribution up to 6300A<br \/>\n<strong>Changeover Switches:<\/strong> Manual and automatic transfer switches<br \/>\n<strong>SPD Devices:<\/strong> Surge protection for sensitive equipment<\/p>\n<p><a href=\"https:\/\/test.viox.com\/mcb\"><strong>[VIEW ALL CIRCUIT PROTECTION PRODUCTS \u2192]<\/strong><\/a><\/p>\n<hr \/>\n<h2>Download Resources<\/h2>\n<ul>\n<li>\ud83d\udcc4 <strong>VOB4-125 Technical Datasheet<\/strong> (PDF) &#8211; Complete specifications<\/li>\n<li>\ud83d\udcc4 <strong>Installation &amp; Wiring Guide<\/strong> (PDF) &#8211; Professional installation instructions<\/li>\n<li>\ud83d\udcc4 <strong>IEC 60898-1 Compliance Certificate<\/strong> &#8211; Certification documentation<\/li>\n<li>\ud83d\udcc4 <strong>CAD Drawings (DWG\/DXF)<\/strong> &#8211; For panel layout and design<\/li>\n<li>\ud83d\udcc4 <strong>Load Calculation Guide<\/strong> (PDF) &#8211; How to size high-current MCBs<\/li>\n<li>\ud83d\udcc4 <strong>Complete VIOX MCB Product Catalog<\/strong> &#8211; Full product range<\/li>\n<\/ul>\n<p><a href=\"https:\/\/test.viox.com\/contact\"><strong>[DOWNLOAD ALL RESOURCES]<\/strong><\/a><\/p>\n<hr \/>\n<h2>Product Comparison Table<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Current Range<\/th>\n<th>Breaking Capacity<\/th>\n<th>Electrical Cycles<\/th>\n<th>Best Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>VOB3-63<\/td>\n<td>1A-63A<\/td>\n<td>4.5kA\/6kA<\/td>\n<td>4,000<\/td>\n<td>Branch circuits, final loads<\/td>\n<\/tr>\n<tr>\n<td>VOB4-63<\/td>\n<td>1A-63A<\/td>\n<td>6kA\/10kA<\/td>\n<td>4,000<\/td>\n<td>Industrial branch circuits<\/td>\n<\/tr>\n<tr>\n<td><strong>VOB4-125<\/strong><\/td>\n<td><strong>80A-125A<\/strong><\/td>\n<td><strong>6kA<\/strong><\/td>\n<td><strong>6,000<\/strong><\/td>\n<td><strong>Main\/sub-main distribution<\/strong> \u26a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p><em>VOB4-125 High-Current MCB is manufactured by VIOX Electric Co., Ltd., an ISO 9001:2015 certified manufacturer specializing in low-voltage electrical protection devices. With decades of experience in high-current circuit protection, VIOX Electric provides reliable solutions for commercial, industrial, and residential main distribution applications worldwide.<\/em><\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 6004.34px; left: 24px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 6004.34px; left: 24px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5614.7px; left: 24px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5614.7px; left: 24px; display: none;\"><\/div>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>\u2705 <strong>Penarafan Arus Tinggi:<\/strong> 80A, 100A, 125A \u2013 sesuai untuk pengagihan utama dan beban berat<\/li>\n<li>\u2705 <strong>Ketahanan Elektrik yang Dipertingkatkan:<\/strong> 6,000 kitaran elektrik (50% lebih daripada 4,000 kitaran standard)<\/li>\n<li>\u2705 <strong>Ketahanan Unggul:<\/strong> \u226520,000 kitaran untuk kebolehpercayaan jangka panjang<\/li>\n<li>\u2705 <strong>Kapasiti Pemutusan yang Teguh:<\/strong> Perlindungan litar pintas 6000A<\/li>\n<li>\u2705 <strong>Julat Voltan Lebar:<\/strong> 230V\/400V~, 240V\/415V~ untuk aplikasi antarabangsa<\/li>\n<li>\u2705 <strong>Semua Konfigurasi Kutub:<\/strong> 1P, 2P, 3P, 4P tersedia<\/li>\n<li>\u2705 <strong>Lengkung Jenis C &amp; D:<\/strong> Sesuai untuk motor, transformer, dan beban arus masuk tinggi<\/li>\n<li>\u2705 <strong>Kualiti Profesional:<\/strong> Dikilangkan oleh VIOX Electric yang diperakui ISO 9001:2015<\/li>\n<\/ul>","protected":false},"featured_media":20341,"comment_status":"closed","ping_status":"closed","template":"","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":"default","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":""}}},"product_brand":[],"product_cat":[130,116],"product_tag":[],"class_list":{"0":"post-20339","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-mcb","7":"product_cat-low-voltage-protection-devices","8":"desktop-align-left","9":"tablet-align-left","10":"mobile-align-left","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/product\/20339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/comments?post=20339"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/media\/20341"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/media?parent=20339"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/product_brand?post=20339"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/product_cat?post=20339"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ms\/wp-json\/wp\/v2\/product_tag?post=20339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}