{"product_id":"square-d-hja36125aa","title":"Square D HJA36125AA 36125A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HJA36125AA 3-Pole 600 V Circuit Breaker combines proven reliability with precise overcurrent protection for 3-phase electrical systems. With a current rating of 36125 A and three poles, this device is designed to interrupt fault currents quickly and safely across all live conductors, helping protect equipment and maintain power reliability in demanding environments. Part number HJA36125AA, this breaker embodies Square D’s trusted approach to safeguarding industrial and commercial electrical installations.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HJA36125AA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 36125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-Pole, 600 V breaker matters\u003c\/h3\u003e\n\u003cp\u003eIn a 3-phase system, a 3-pole breaker like the HJA36125AA provides coordinated protection across all phases, ensuring that a fault leads to a simultaneous disconnection of all live lines. This reduces the risk of arc flash and equipment damage, simplifies fault isolation, and supports safer maintenance procedures. Its 600 V rating makes it well-suited for distribution panels, motor control centers, and other industrial applications where reliable, fast-acting protection is essential.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial equipment and motor control centers that run on 3-phase power\u003c\/li\u003e \u003cli\u003eCommercial power distribution panels requiring robust, multi-pole protection\u003c\/li\u003e \u003cli\u003eRepair or upgrade projects where a trusted Square D solution is preferred for compatibility with existing Square D gear\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand lineage:\u003c\/strong\u003e Square D by Schneider Electric is known for durable protection devices that align with a wide range of panel boards and switchgear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFocused on reliability:\u003c\/strong\u003e The HJA36125AA design emphasizes quick fault interruption across all three poles, helping minimize damage and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility signals:\u003c\/strong\u003e The part number and model are designed to integrate with systems built around 3-pole, 600 V protection strategies, making it easier to source matching components for upgrades or replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and installation ideas\u003c\/h3\u003e\n\u003cp\u003eWhen selecting this breaker, verify that your equipment stack and panel are configured for 3-pole, 600 V protection and that the current rating aligns with your load profiles. For installation, reference your panel’s manufacturer guidelines and follow standard safety practices for disconnecting power before service. This device can be a straightforward upgrade path when replacing older, similar-spec breakers in compatible Square D environments, helping you restore protection quickly without extensive wiring changes.\u003c\/p\u003e \u003cp\u003eWhether you’re refurbishing an industrial control panel, expanding a distribution line, or replacing a worn-out protective device, the Square D HJA36125AA 3-Pole 600 V Circuit Breaker offers dependable performance, clear compatibility with Square D ecosystems, and the targeted protection needed for demanding 3-phase systems. Explore how this component fits into your electrical safety strategy and keep your operations flowing with reliable, localized fault protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423184343202,"sku":"HJA36125AA","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-hja36125aa","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}