{"product_id":"square-d-hja36150u31xaabcsj","title":"Square D HJA36150U31XAABCSJ 150A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJA36150U31XAABCSJ — a purpose-built 150A, 3-pole circuit breaker designed for demanding three-phase electrical systems. This genuine Square D component delivers dependable protection for feeders, motors, and panelboards in commercial and industrial environments, helping you safeguard equipment and maintain uptime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e150 A rating\u003c\/strong\u003e provides robust overload protection for high-current circuits without unnecessary nuisance tripping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e supports three-phase power distribution, ensuring all phases are simultaneously disconnected for safer maintenance and protection of motors and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum voltage\u003c\/strong\u003e accommodates a wide range of industrial applications, giving you flexibility in system design and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection\u003c\/strong\u003e (typical of modern circuit breakers) rapidly interrupts fault currents, reducing damage from short circuits and overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, compatible form factor\u003c\/strong\u003e fits standard Square D panels and enclosures, simplifying installation and future upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Square D part\u003c\/strong\u003e with part number HJA36150U31XAABCSJ ensures reliable performance, consistent availability of replacement parts, and seamless integration with existing Square D equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cp\u003eDesigned for three-phase systems, this breaker is an excellent choice for protecting main feeders to industrial machinery, HVAC equipment, and heavy-duty motors. It’s well-suited for commercial electrical rooms, data centers with three-phase power distribution, and manufacturing floors where reliable interruption protection is critical.\u003c\/p\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecise alignment with Square D panels and accessories, reducing compatibility concerns during upgrades or panel refreshes.\u003c\/li\u003e \u003cli\u003eClear, definitive protection for 3-phase circuits — all three lines are simultaneously interrupted, helping prevent phasing issues during faults.\u003c\/li\u003e \u003cli\u003eHigh-voltage capability (up to 600 V) expands its applicability in modern industrial environments while maintaining safety and control.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen you’re equipping or upgrading a three-phase distribution system, the Square D HJA36150U31XAABCSJ 150A 3-Pole 600 V Circuit Breaker is a decisive choice for dependable protection, easy integration, and long-term reliability. Add this genuine component to your system to ensure consistent performance and easier maintenance planning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423181459618,"sku":"HJA36150U31XAABCSJ","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36150u31xaabcsj-150a-3-pole-600-v-circuit-breaker-705.webp?v=1789279733","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36150u31xaabcsj","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}