{"product_id":"square-d-a1b2100-circuit-breaker","title":"Square D | A1B2100 | Circuit Breaker | 100A | 2-Pole | 240V | 10kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered to protect 240V circuits in commercial and industrial panels, the Square D A1B2100 is a 100A, 2-pole bolt-on circuit breaker designed for reliable service, retrofit projects, and straightforward replacements. When you need precise spec matching to keep your electrical system safe and compliant, this unit delivers.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupt Rating:\u003c\/strong\u003e 10kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Reference:\u003c\/strong\u003e A1B2100\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy the A1B2100 stands out\u003c\/h2\u003e\n\u003cp\u003eWhat makes this breaker unique is its precise combination of amperage, two-pole configuration, 240V operation, and a robust 10kA interrupt rating, all in a bolt-on design that simplifies installation in compatible panels. This means reliable tripping behavior on fault conditions and secure mounting that resists vibration and movement in demanding environments. The bolt-on format is ideal for retrofit and replacement where space or bus configurations favor a solid, mechanical connection.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects where a like-for-like replacement is required\u003c\/li\u003e \u003cli\u003eUpgrading panel protection on 240V circuits that demand solid, immediate disconnects\u003c\/li\u003e \u003cli\u003eReplacement in commercial or light industrial panels that accept bolt-on, 2-pole protection for continuous service\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation tips and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility: use the part number A1B2100 as the primary reference, and confirm that your enclosure accepts bolt-on, 2-pole breakers of this class.\u003c\/li\u003e \u003cli\u003eBefore working, power down the panel and follow lockout\/tagout procedures to ensure a safe installation.\u003c\/li\u003e \u003cli\u003eContact-free inspection of bus stabs and mounting points helps prevent misalignment during seating.\u003c\/li\u003e \u003cli\u003eConsider keeping a spare A1B2100 on hand for quick replacements and minimal downtime during maintenance cycles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number A1B2100 is the best reference for compatibility, ensuring this 100A, 2-pole, 240V bolt-on circuit breaker aligns with your specific Square D panel and application.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424389812386,"sku":"A1B2100","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-a1b2100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}