{"product_id":"square-d-hja36150u44xaabcsd","title":"Square D HJA36150U44XAABCSD 150A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HJA36150U44XAABCSD\u003c\/strong\u003e is a robust circuit breaker designed for demanding 3-phase electrical systems. With a 150 A rating, a 3-pole configuration, and a 600 V maximum voltage, this device delivers reliable overcurrent protection for high-demand feeders and motors in commercial and industrial environments. This part number ensures you’re selecting an exact-fit replacement or upgrade for your Square D panels.\u003c\/p\u003e \u003ch3\u003eWhy this 3-Pole, 150 A breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e provides synchronized disconnection of all hot conductors in 3-phase circuits, improving safety and fault clearing across every phase.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e150 A current rating\u003c\/strong\u003e is ideal for protecting heavy feeders and motors with higher startup currents, reducing the risk of nuisance trips while keeping equipment safe.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rating\u003c\/strong\u003e supports medium- to high-voltage distribution typical in larger commercial and industrial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand reliability\u003c\/strong\u003e from Square D, a trusted name in electrical protection, offering consistent performance and predictable trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e engineered to withstand routine industrial environments and provide long service life in service panels and enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eSupported scenarios include protecting 3-phase motors, compressors, conveyors, and large feeders in warehouses, manufacturing floors, data centers, and other commercial facilities. The 3-pole design ensures all phases disconnect together during a fault, helping minimize collateral damage and enabling safer maintenance.\u003c\/p\u003e \u003ch3\u003eHow this breaker fits into your system\u003c\/h3\u003e\n\u003cp\u003eDesigned for use with Square D panels and enclosures, the HJA36150U44XAABCSD serves as a precise replacement or upgrade for systems requiring a 150 A, 3-pole, 600 V protection device. When selecting a breaker, verify panel compatibility and ensure the device coordinates with upstream protective devices to maintain system protection without unnecessary interruptions.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm the part number match: HJA36150U44XAABCSD ensures accurate replacement in compatible Square D assemblies.\u003c\/li\u003e \u003cli\u003eCheck torque specifications and mounting hardware per your panel’s documentation to maintain reliable electrical connections.\u003c\/li\u003e \u003cli\u003eVerify voltage and ampacity requirements of the connected load to avoid nuisance trips while still protecting equipment.\u003c\/li\u003e \u003cli\u003ePeriodically inspect the breaker for signs of wear, overheating, or corrosion in harsh environments, and replace if integrity is suspect.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423183524002,"sku":"HJA36150U44XAABCSD","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36150u44xaabcsd-150a-3-pole-600-v-circuit-breaker-420.webp?v=1789279993","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36150u44xaabcsd","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}