{"product_id":"square-d-sfa1100a-circuit-breaker","title":"Square D | SFA1100A | Circuit Breaker | 1-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D SFA1100A circuit breaker — a precise, drop-in 1-pole protection device designed for 240V circuits. Built for maintenance, retrofit, and replacement projects, this breaker delivers dependable overcurrent protection with a compact, reliable footprint.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this exact part matters\u003c\/strong\u003e\u003cbr\u003e\nThe SFA1100A is identified by its part number, and that reference is the best way to guarantee compatibility with your Square D panel. Before ordering, \u003cem\u003econfirm fit and ratings\u003c\/em\u003e to ensure the device matches your panel’s specifications and the wiring setup you’re working with.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e1-Pole, 240V protection\u003c\/strong\u003e: Ideal for single-pole protection of 240V circuits, providing reliable limits on overcurrent events in a streamlined package.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, replacement ready\u003c\/strong\u003e: Perfect for refreshing aging installations, upgrading components in existing panels, or swapping a failed breaker without extensive rework.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact-match part reference\u003c\/strong\u003e: Rely on the SFA1100A part number to verify compatibility; always cross-check with panel labeling and manufacturer specs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical, safe installation\u003c\/strong\u003e: Follow standard safety practices — power down the system, use proper terminals, and torque per manufacturer guidelines to ensure a secure, long-lasting connection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for reliability in residential, commercial, and light-industrial applications where Square D devices are specified, this breaker helps you maintain consistent protection for critical circuits. It’s the go-to choice when you need a trustworthy, compatible replacement that aligns with your existing electrical architecture and maintenance schedules.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and scenarios\u003c\/strong\u003e\u003cbr\u003e\n- Replacing a failed 240V single-pole breaker in a Square D panel without modifying the panel enclosure\u003cbr\u003e\n- Retrofitting an older installation to restore proper overcurrent protection on 240V circuits\u003cbr\u003e\n- Standardizing parts inventory with a verified, exact-match reference to minimize compatibility issues\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425659146402,"sku":"SFA1100A","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-sfa1100a-circuit-breaker-1-pole-240v-345.webp?v=1789438331","url":"https:\/\/www.ampstate.com\/products\/square-d-sfa1100a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}