{"product_id":"square-d-hja36100u44xaabcshyp","title":"Square D HJA36100U44XAABCSHYP 100A 3-Pole 600 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJA36100U44XAABCSHYP—a purpose-built 100 A, 3-pole circuit breaker designed for reliable protection in three-phase electrical systems. With a 600 V maximum rating, this unit is engineered to safely interrupt fault currents in demanding commercial and industrial environments, while fitting neatly into Square D distribution panels that accept this part number.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HJA36100U44XAABCSHYP\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection for balanced, three-phase systems:\u003c\/strong\u003e The 3-pole design ensures synchronized interruption across all phases, helping to prevent neutral and phase imbalances that can stress downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust, trusted Square D build:\u003c\/strong\u003e This part carries Square D’s reputation for dependable protection in critical electrical infrastructure, backed by precise manufacturing and component traceability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility for mid-size distribution:\u003c\/strong\u003e With a 100 A rating and 600 V capability, it’s well-suited for feeders, main distribution lines, and key circuit protections in commercial and light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eThree-phase feeders in commercial buildings and retailers with demanding loads.\u003c\/li\u003e \u003cli\u003eIndustrial panels serving motors, conveyors, pumps, and other heavy equipment where reliable fault isolation is essential.\u003c\/li\u003e \u003cli\u003eMaintenance-ready spare part for service fleets to minimize downtime during panel servicing.\u003c\/li\u003e \u003cli\u003eBackup protection in data centers or critical facilities that rely on steady power distribution and quick fault clearance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and compatibility\u003c\/h2\u003e\n\u003cp\u003eDesigned to integrate with Square D distribution systems, this 3-pole breaker is best paired with panels and bus configurations that specify compatibility with HJA36100U44XAABCSHYP. When installing, verify that your panel labeling supports the rated current, voltage, and three-phase configuration, and follow standard safety practices for disconnecting power before service. Proper seating and secure terminal connections are essential to long-term reliability.\u003c\/p\u003e \u003ch2\u003ePractical tips and insights\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUse this unit as a dedicated protection point for high-demand three-phase circuits to ensure rapid isolation on fault events, protecting both personnel and equipment.\u003c\/li\u003e \u003cli\u003ePair it with routine panel maintenance workflows to keep protection pathways clear and ensure quick replacement if a fault trip occurs.\u003c\/li\u003e \u003cli\u003eDocument the exact part number (HJA36100U44XAABCSHYP) in your asset management system to simplify future replacements and panel audits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re refurbishing an aging distribution panel or stocking parts for ongoing maintenance, the Square D HJA36100U44XAABCSHYP delivers dependable, three-phase protection with a precise fit for compatible Square D installations. This is a practical, long-lasting choice for safeguarding 100 A circuits in demanding 600 V environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423187292322,"sku":"HJA36100U44XAABCSHYP","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36100u44xaabcshyp-100a-3-pole-600-v-circuit-breaker-193.webp?v=1789280470","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36100u44xaabcshyp","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}