{"product_id":"square-d-qob3100vh1021","title":"Square D QOB3100VH1021 100A 3-Pole 3100 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D QOB3100VH1021 is a purpose-built high-voltage circuit breaker engineered to protect demanding three-phase power systems. With a 100 A rating and a 3100 V maximum, this 3-pole device delivers reliable overcurrent protection for motors, drives, and feeders in industrial environments, helping to prevent costly faults and unplanned downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e ensures simultaneous interruption across all phases for balanced, safe fault clearance in three-phase networks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3100 V voltage rating\u003c\/strong\u003e expands compatibility with higher-voltage industrial distribution, giving you a wider operating envelope for robust electrical protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part match\u003c\/strong\u003e for \u003cem\u003eQOB3100VH1021\u003c\/em\u003e ensures reliable fit and seamless integration with Square D enclosures and the QOB family of breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade construction\u003c\/strong\u003e designed to withstand the rigors of demanding plant environments, providing dependable protection for critical assets.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eHigh-voltage feeders and three-phase circuits in manufacturing plants requiring dependable overcurrent protection.\u003c\/li\u003e \u003cli\u003eMotor control centers and large drives where precise interruption across all phases is essential for equipment safety.\u003c\/li\u003e \u003cli\u003eIndustrial power distribution in facilities that operate at elevated voltage levels, seeking durable protection that travels with the system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this model stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned specifically for high-voltage, three-phase applications, the QOB3100VH1021 combines robust protection with a compact form factor compatible with Square D assemblies.\u003c\/li\u003e \u003cli\u003eBy pairing a solid 100 A rating with a 3100 V capacity, it supports demanding loads while maintaining safe, controlled shutdowns in fault conditions.\u003c\/li\u003e \u003cli\u003eChoosing the exact part number simplifies maintenance and replacement, reducing downtime and ensuring continuity of critical operations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: \u003cstrong\u003e100 A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage rating: \u003cstrong\u003e3100 V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePart number: \u003cstrong\u003eQOB3100VH1021\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen planning installations or replacements, this Square D circuit breaker offers a precise, high-voltage solution that aligns with your three-phase protection needs. Its 3-pole configuration and 3100 V capability equip industrial facilities to safeguard motors, drives, and feeders with confidence, ensuring safer operation and improved uptime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423538794658,"sku":"QOB3100VH1021","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-qob3100vh1021","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}