{"product_id":"square-d-a1b370-circuit-breaker","title":"Square D | A1B370 | Circuit Breaker | 3-Pole | 10kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D \u003cstrong\u003eA1B370\u003c\/strong\u003e 3-Pole 10kA Bolt-On Circuit Breaker — a purpose-built protection device for three-phase electrical systems. Built for maintenance, retrofit, and replacement projects, this breaker delivers dependable fault protection when exact specifications matter, making it a trusted choice for panel upgrades and ongoing system reliability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-Phase Power\u003c\/strong\u003e — 3-Pole design supports multi-phase circuits, providing balanced, reliable protection for motors, drives, and distribution panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e10kA Interrupting Capacity\u003c\/strong\u003e — Robust fault current interruption helps safeguard equipment and maintain continuity in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On Mounting\u003c\/strong\u003e — Quick, secure installation with a familiar bolt-on interface, ideal for retrofit and replacement projects where seamless integration matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact Compatibility\u003c\/strong\u003e — Part number \u003cstrong\u003eA1B370\u003c\/strong\u003e serves as the most reliable reference for matching panels and existing breakers. Always verify fit against your system specs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile Application\u003c\/strong\u003e — Suitable for maintenance shutdowns, panel retrofits, and replacement needs across industrial and commercial electrical installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases include upgrading legacy panels in manufacturing lines, replacing aging protection devices during facility refurbishments, or keeping a ready spare on hand for critical service entrances. The A1B370 is your go-to choice when you need a direct, reliable substitute that aligns with your existing Square D infrastructure.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFit \u0026amp; Compatibility\u003c\/strong\u003e — Confirm fit and ratings before ordering. The part number is the best reference for compatibility, ensuring you get a precise match for your panel and circuit protection requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424830673058,"sku":"A1B370","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-a1b370-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}