{"product_id":"square-d-hja36100u44xaabcsh","title":"Square D HJA36100U44XAABCSH 100A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HJA36100U44XAABCSH is a rugged three-pole circuit breaker engineered to safeguard your three‑phase power distribution. With a 100 A rating and a 600 V maximum, it delivers reliable overcurrent protection for feeders and motors in demanding industrial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 100 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePart number: HJA36100U44XAABCSH\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3‑pole breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree‑phase protection: guarantees simultaneous disconnection of all three conductors during a fault, reducing risk to equipment and personnel.\u003c\/li\u003e \u003cli\u003eSpecific compatibility: part number HJA36100U44XAABCSH ensures precise replacement in compatible Square D installations, helping maintenance teams avoid mismatches.\u003c\/li\u003e \u003cli\u003eRobust industrial suitability: designed to support standard industrial feeders and motor circuits that operate at up to 600 V, delivering dependable protection for intermediate and high‑load applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFeeder protection for three‑phase motors in manufacturing lines, conveyors, and pumps\u003c\/li\u003e \u003cli\u003eMain or distribution protection within panelboards and switchgear in industrial facilities\u003c\/li\u003e \u003cli\u003eElectrical installations in data centers, HVAC systems, and large mechanical rooms where reliable 3‑phase protection is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical benefits and what it means for you\u003c\/h3\u003e\n\u003cp\u003eInstalling this 100 A, 3‑pole 600 V circuit breaker helps prevent costly downtime by quickly isolating faults, protecting conductors and equipment, and enabling safer maintenance. Its three‑phase design minimizes unbalanced faults across phases, which can extend the life of motors and sensitive loads.\u003c\/p\u003e \u003ch3\u003eCareful sourcing and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep part number HJA36100U44XAABCSH on hand when stocking spare breakers to ensure exact compatibility with your Square D protection scheme.\u003c\/li\u003e \u003cli\u003eDuring replacement, verify that the replacement device matches the existing system’s voltage and current ratings to maintain proper protection coordination.\u003c\/li\u003e \u003cli\u003eRegularly inspect for signs of wear or overheating and replace promptly to maintain system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423184605346,"sku":"HJA36100U44XAABCSH","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36100u44xaabcsh-100a-3-pole-600-v-circuit-breaker-962.webp?v=1789280121","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36100u44xaabcsh","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}