{"product_id":"square-d-bja260404-circuit-breaker","title":"Square D | BJA260404 | Circuit Breaker | 40A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D BJA260404 Circuit Breaker — a precise, dependable solution for maintenance, retrofit, and replacement projects where exact specs matter. This unit is engineered to slip into compatible panels with minimal fuss, helping you restore safe, reliable power quickly.\u003c\/p\u003e \u003cp\u003eThis 40A, 2-pole breaker is rated for up to \u003cstrong\u003e600V\u003c\/strong\u003e, delivering robust protection for two hot legs and ensuring a clean, simultaneous disconnect when faults occur. The design is purpose-built to maintain panel integrity and reliable trip performance in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: In industrial and commercial electrical systems, using the exact part number guarantees compatibility with your panel catalog, bus layout, and trip characteristics. The part number \u003cstrong\u003eBJA260404\u003c\/strong\u003e is the best reference for compatibility, and you should \u003cstrong\u003econfirm fit and ratings before ordering\u003c\/strong\u003e.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e:\n- Maintenance replacements in panels requiring 2-pole protection for 600V circuits.\n- Retrofit projects where a like-for-like Square D unit preserves panel labeling and proven performance.\n- Replacement for equipment assets that operate on dual hot legs up to 600V with a 40A limit.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical installation tips\u003c\/strong\u003e:\n- Verify panel compatibility and listing before installation to ensure compliant operation.\n- Follow proper torque specifications for mounting and secure terminations.\n- Keep a spare unit readily available for planned maintenance to minimize downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426088636578,"sku":"BJA260404","price":18066.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-bja260404-circuit-breaker-40a-2-pole-600v-605.webp?v=1789508317","url":"https:\/\/www.ampstate.com\/products\/square-d-bja260404-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}