{"product_id":"square-d-q1370-1021","title":"Square D Q1370-1021 70A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D Q1370-1021 70A 3-Pole 240 V Circuit Breaker — a genuine Square D replacement part built to deliver dependable overcurrent protection for up to three hot legs in 240-volt systems. Designed for reliability in demanding commercial, industrial, and larger residential applications, this breaker helps keep wiring and equipment safe from overloads and faults.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 70 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 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e Q1370-1021\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Square D circuit breaker (genuine replacement part)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: a 3-pole breaker protects three hot conductors simultaneously, making it ideal for three-phase circuits, large motor feeders, and heavy electrical loads. With a 70‑amp rating, it provides robust protection for equipment like compressors, pumps, conveyors, and other high‑demand appliances, while helping prevent damage from short circuits and sustained overloads.\u003c\/p\u003e \u003cp\u003eKey use cases and ideal applications\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThree-phase feeders in commercial or light industrial panels\u003c\/li\u003e \u003cli\u003eMotor control circuits and heavy electrical loads that require 240 V protection\u003c\/li\u003e \u003cli\u003eUpgrades or replacements in Square D panels that accommodate 3-pole, 240 V breakers\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and quick‑start guidance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePower down the panel and verify the system is de-energized before replacement\u003c\/li\u003e \u003cli\u003eEnsure the panel is compatible with the Q1370-1021 70A 3-pole, 240 V configuration\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque specifications and use proper safety practices during installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn practice, choosing the Q1370-1021 means opting for a trusted, legitimate Square D component that maintains consistent electrical characteristics and fit. This isn’t a generic part — it’s a purpose-built solution designed to integrate smoothly with existing Square D systems, helping maintain panel reliability and protect long-running equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423395631266,"sku":"Q1370-1021","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-q1370-1021-70a-3-pole-240-v-circuit-breaker-432.webp?v=1789303616","url":"https:\/\/www.ampstate.com\/products\/square-d-q1370-1021","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}