{"product_id":"square-d-a1l370-circuit-breaker","title":"Square D | A1L370 | Circuit Breaker | 370A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D A1L370 Circuit Breaker — a dependable, high-capacity solution built for demanding electrical environments. Designed for maintenance, retrofit, and replacement tasks, this 370A, 3-pole breaker delivers reliable protection for 480V, three-phase systems, helping you keep critical processes running smoothly.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDirect-fit option for Square D installations that align with the A1L370 reference, simplifying compatibility checks during upgrades or part replacements.\u003c\/li\u003e \u003cli\u003eThree-pole configuration ensures balanced protection across all phases, promoting coordinated tripping and safer fault management in industrial distribution networks.\u003c\/li\u003e \u003cli\u003e480V rating tailored to large-scale facilities and equipment, from processing lines to heavy manufacturing machinery and large HVAC installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey specifications at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 370A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 480V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases for the A1L370\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects where existing Square D gear requires a compatible, high-current breaker.\u003c\/li\u003e \u003cli\u003eReplacement in aging distribution panels that power heavy equipment, conveyors, presses, or other 480V three-phase loads.\u003c\/li\u003e \u003cli\u003eNew installations in facilities that rely on robust protection and want to preserve consistent compatibility with Square D infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance to ensure a smooth fit\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, verify compatibility by cross-referencing the panel model, bus configuration, and protection scheme with the A1L370 reference.\u003c\/li\u003e \u003cli\u003eKeep an on-site spare of the A1L370 to minimize downtime during scheduled maintenance or unexpected outages.\u003c\/li\u003e \u003cli\u003eConsult your panel’s installation manual for mounting procedures and any manufacturer-specific torque or wiring requirements to maintain code compliance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn environments where reliability matters and downtime isn’t an option, the Square D A1L370 circuit breaker offers a precise, compatible solution for 370A, 3-pole, 480V systems. It’s the choice for engineers and maintenance teams seeking stability, straightforward compatibility, and peace of mind across demanding power distribution networks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427297677474,"sku":"A1L370","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-a1l370-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}