{"product_id":"square-d-hja36150unyp","title":"Square D HJA36150UNYP 150A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eProtect your three-phase electrical system with the Square D HJA36150UNYP 150A 3-Pole 600 V Circuit Breaker. This robust device delivers dependable overcurrent protection for circuits up to 150 amps across three poles, designed to interrupt fault currents and help prevent equipment damage in demanding commercial and light industrial environments.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePart Number: HJA36150UNYP\u003c\/li\u003e \u003cli\u003eCurrent rating: 150 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this circuit breaker stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThree-pole design is ideal for balancing three-phase systems, ensuring coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003eBacked by Square D, a trusted name in electrical safety and panel protection, with compatibility for Square D panels and distribution boards designed for HJA-series breakers.\u003c\/li\u003e \u003cli\u003eCompact form factor fits standard enclosures without crowding, helping you optimize panel layout.\u003c\/li\u003e \u003cli\u003eClear, durable labeling supports quick identification during maintenance and audits, reducing downtime during fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMain distribution protection in three-phase commercial panels for offices, retail spaces, or data centers.\u003c\/li\u003e \u003cli\u003eProtection for large motors or equipment fed from 3-phase distribution in light industrial facilities.\u003c\/li\u003e \u003cli\u003eBackup or spare for upgrades in existing Square D installations, ensuring continuity and compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat to consider before installation\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility: ensure your cabinet accepts HJA-series breakers and supports a 3-pole, 600 V device.\u003c\/li\u003e \u003cli\u003eProfessional installation recommended: correct alignment, mounting, and connection are critical for safe operation.\u003c\/li\u003e \u003cli\u003ePair this breaker with appropriate protective devices and feeders to maintain coordinated protection across the system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eMaintenance and care\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInspect for signs of wear or arcing during routine servicing; replace if contacts show excessive wear or if tripping becomes erratic.\u003c\/li\u003e \u003cli\u003eKeep panel enclosure clean and dry to maintain reliable operation in challenging environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423182770338,"sku":"HJA36150UNYP","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-hja36150unyp","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}