{"product_id":"square-d-hja36150sh","title":"Square D HJA36150SH 150A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cstrong\u003eSquare D HJA36150SH 150A 3-Pole 600 V Circuit Breaker\u003c\/strong\u003e connects reliability with robust protection for demanding electrical systems. Designed for three-phase distribution, this unit delivers solid performance where uptime matters—industrial floors, commercial panels, and heavy-duty equipment rooms alike. With a 150-amp rating and a 600-volt maximum, it is built to shield feeders and motors from overloads and fault currents while fitting neatly into standard Square D panel configurations. \u003cp\u003eKey benefits and differentiators:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e for balanced three-phase circuits, ensuring coordinated interruption across all phases in the event of a fault.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e150 A current rating\u003c\/strong\u003e provides ample capacity for sizable feeders and motor loads, helping you consolidate protection without oversizing devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum rating\u003c\/strong\u003e suitable for higher voltage industrial and commercial applications, aligning with common distribution schemes in warehouses, manufacturing floors, and large office buildings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip mechanism\u003c\/strong\u003e offers reliable overload protection with fast short-circuit interruption, reducing damage to wiring and connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable Square D design\u003c\/strong\u003e built to endure the rigors of active electrical environments and to integrate smoothly into existing Square D installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number HJA36150SH\u003c\/strong\u003e clearly identifies a precise, replacement-ready device that supports streamlined maintenance and service planning.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this breaker?\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFacilities managers and electricians upgrading or expanding three-phase distribution in industrial or commercial spaces.\u003c\/li\u003e \u003cli\u003eProjects requiring a proven, mid-range MCCB solution that safely protects feeders and motors up to 150 A at 600 V.\u003c\/li\u003e \u003cli\u003ePanels and enclosures where quick replacement with a compatible Square D device minimizes downtime and simplifies stocking.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations and best practices:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify system fault current and ensure the breaker’s interrupting capability aligns with your installation’s requirements before substituting devices.\u003c\/li\u003e \u003cli\u003eConfirm enclosure and mounting compatibility with Square D panelboards to ensure proper fit and terminal access.\u003c\/li\u003e \u003cli\u003eFollow all safety procedures and consult a licensed electrician when installing or replacing circuit protection devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Square D HJA36150SH 150A 3-Pole 600 V Circuit Breaker is a purpose-built solution for reliable three-phase protection in demanding environments. It combines precise trip performance with straightforward integration into existing Square D infrastructure, helping you protect people, equipment, and productivity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423559930018,"sku":"HJA36150SH","price":8686.0,"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-hja36150sh","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}