{"product_id":"square-d-989370-circuit-breaker","title":"Square D | 989370 | Circuit Breaker | 70A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D 989370 Circuit Breaker — a robust solution engineered for reliable overcurrent protection in demanding electrical systems. At 70A, with a 3-pole configuration for 240V operations, this bolt-on breaker is the practical choice for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e70 Amp protection\u003c\/strong\u003e tailored for feeders and motor circuits in commercial and light industrial panels, helping prevent damage from overloads while keeping essential equipment running smoothly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole, 240V\u003c\/strong\u003e design supports three-phase systems, enabling synchronized shutdown and safer operation across all phases in demanding machinery and distribution setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e offers a straightforward, secure installation in compatible Square D panels, reducing service time and ensuring dependable contact.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number 989370\u003c\/strong\u003e is your best compatibility reference — confirm fit and ratings against your panel’s listing before ordering to ensure a perfect match.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this model? Facilities managers, electricians, and maintenance teams performing panel upgrades, replacements, or new installations where a 70A, 3-pole, 240V bolt-on breaker is specified. It’s an ideal fit for equipment rooms, service enclosures, and distributed electrical networks that rely on precise, dependable protection.\u003c\/p\u003e \u003cp\u003eKey use scenarios:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacing a failed 70A 3-pole 240V breaker in a Square D bolt-on panel without altering other components.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 3-phase 240V solution is required to support upgraded motors or power distribution.\u003c\/li\u003e \u003cli\u003eMaintenance cycles that demand a ready-to-install, compatible replacement part to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical installation notes:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify that your panel accepts bolt-on breakers and that voltage and amperage ratings align with your system requirements.\u003c\/li\u003e \u003cli\u003eKeep the reference part number 989370 handy as the primary compatibility check during ordering.\u003c\/li\u003e \u003cli\u003eEnsure proper safety procedures and power isolation before installation or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424387748002,"sku":"989370","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-989370-circuit-breaker-70a-3-pole-240v-bolt-770.webp?v=1789349550","url":"https:\/\/www.ampstate.com\/products\/square-d-989370-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}