{"product_id":"square-d-hla36150u31xaabcsj","title":"Square D HLA36150U31XAABCSJ 150A 3-Pole Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D HLA36150U31XAABCSJ 150A 3-Pole Circuit Breaker — a genuine Square D part designed to deliver dependable three-phase protection for demanding electrical panels. With a 150 A current rating and a 3-pole configuration, this breaker is built to guard large feeders, motors, and equipment in commercial, industrial, or heavy-residential settings. The part number HLA36150U31XAABCSJ is your assurance of direct compatibility with Square D panelboards that accept this model, ensuring reliable fit and consistent protection across your electrical system.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 150 A\u003c\/li\u003e \u003cli\u003ePoles: 3 (three-pole configuration for 3-phase circuits)\u003c\/li\u003e \u003cli\u003ePart number: HLA36150U31XAABCSJ\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003eType: 3-pole circuit breaker for three-phase protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cp\u003eThis 150A, three-pole Square D breaker is purpose-built for reliable overcurrent protection in systems that demand coordinated performance across all three phases. It’s designed to integrate seamlessly with compatible Square D panels, helping you maintain a clean, code-compliant protection scheme. The three-pole configuration provides synchronized switching across all phases, which is essential for protecting 3-phase equipment like motors, pumps, compressors, and HVAC systems from overloads and short circuits. \u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eProtect large 3-phase feeders in commercial or light-industrial panelboards\u003c\/li\u003e \u003cli\u003eSafeguard three-phase motors and equipment (pumps, conveyors, air handling units)\u003c\/li\u003e \u003cli\u003eServe as a main or sub-feed protective device in compatible Square D installations\u003c\/li\u003e \u003cli\u003eReplacement for aging or worn breakers in panels that accept this exact model\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and safety considerations\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnsure panel compatibility: this unit is designed for Square D panels that accept the HLA36150U31XAABCSJ\u003c\/li\u003e \u003cli\u003ePower-down procedures: shut off main power and discharge any stored energy before replacing or installing the breaker\u003c\/li\u003e \u003cli\u003eWiring and torque: follow manufacturer specifications for conductor sizing and terminal torque to guarantee secure connections\u003c\/li\u003e \u003cli\u003e labeling and documentation: clearly label the protective device to simplify future maintenance and inspections\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading a legacy panel, replacing a failed unit, or configuring a new installation for reliable 3-phase protection, the Square D HLA36150U31XAABCSJ 150A 3-Pole Circuit Breaker brings precise current protection and coordinated phase control to your system. Its authentic Square D design and exact part number provide confidence that you’re selecting a component that’s built to perform with your existing protection strategy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423286022306,"sku":"HLA36150U31XAABCSJ","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hla36150u31xaabcsj-150a-3-pole-circuit-breaker-921.webp?v=1789292043","url":"https:\/\/www.ampstate.com\/products\/square-d-hla36150u31xaabcsj","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}