{"product_id":"westinghouse-fb2040sl-circuit-breaker","title":"Westinghouse | FB2040SL | Circuit Breaker | 2-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Westinghouse FB2040SL 2-Pole Circuit Breaker — a purpose-built solution for maintenance, retrofit, and replacement in compatible panels. This two-pole unit protects two lines simultaneously, helping you streamline panel upgrades and maintain reliable overload protection where specifications match.\u003c\/p\u003e \u003cp\u003eThe FB2040SL model is identified by its part number, a precise reference that simplifies compatibility checks during procurement. When sourcing spares or performing panel work, using the FB2040SL part number is your best reference to avoid mismatches and downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e2-Pole design\u003c\/strong\u003e: provides simultaneous protection for two lines, ideal for shared-rail or 240V configurations in compatible Westinghouse panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference\u003c\/strong\u003e: Westinghouse FB2040SL ensures you’re selecting a breaker that aligns with your panel’s engineering requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, or replacement\u003c\/strong\u003e: a straightforward swap that minimizes service interruptions and preserves panel reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility-first approach\u003c\/strong\u003e: confirm fit and ratings before ordering; the FB2040SL part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this breaker? Electricians, facility managers, and DIY enthusiasts working on Westinghouse panels that require a two-pole protection device documented as FB2040SL. It’s especially useful when upgrading older systems, restoring original protection schemes after component changes, or stocking spares for rapid maintenance cycles.\u003c\/p\u003e \u003cp\u003ePractical use tips\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways power down the panel and follow lockout\/tagout procedures before installation or removal.\u003c\/li\u003e \u003cli\u003eMatch the part number (FB2040SL) and pole configuration (2-Pole) to your panel’s labeling to ensure correct fit.\u003c\/li\u003e \u003cli\u003eHandle the breaker gently to avoid damage to terminals and ensure clean, secure connections.\u003c\/li\u003e \u003cli\u003eIf in doubt about rating or compatibility, consult a licensed electrician to verify suitability for your specific panel and local electrical code requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427092746402,"sku":"FB2040SL","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-fb2040sl-circuit-breaker-2-pole-656.webp?v=1789671534","url":"https:\/\/www.ampstate.com\/products\/westinghouse-fb2040sl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}