{"product_id":"square-d-bja260404-40a-2-pole-plug-in-circuit-breaker","title":"Square D BJA260404 - 40 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D BJA260404 from AmpState—a 40A, 2-pole plug-in molded-case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and load centers. Built for fast installation and straightforward replacement, this unit blends Square D reliability with plug-in convenience you can trust on every service call or upgrade.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and hassle-free replacement in compatible panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable overload protection and rapid short-circuit disconnection, maintaining consistent performance across diverse loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 40 A rating\u003c\/strong\u003e for 240 V circuits, ideal for protecting dual-leg circuits and shared neutral configurations common in residential and light commercial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in mounting\u003c\/strong\u003e simplifies service and upgrades by eliminating complex wirings during replacement; designed to fit with matching OEM Square D load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWide application readiness\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where reliable overcurrent protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for fast, contractor-friendly service, the plug-in design reduces installation time and downtime during maintenance. The thermal-magnetic trip unit ensures predictable protection—overload currents trigger a controlled response, while short-circuit events prompt rapid disconnection to guard wiring and connected equipment.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 2-pole 40 A breaker in a residential panel or a light commercial distribution board.\u003c\/li\u003e \u003cli\u003eProtecting 240 V circuits such as well pumps, HVAC controls, or dual-leg feeders in small business applications.\u003c\/li\u003e \u003cli\u003eRetrofit projects where speed and compatibility with OEM panelboards are critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eTechnical snapshot\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart number: BJA260404\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded-case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 40 A\u003c\/li\u003e \u003cli\u003eNumber of poles: 2\u003c\/li\u003e \u003cli\u003eMounting style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D BJA260404 for reliable, ready-to-install protection that keeps your panelboard or load center running safely and efficiently. Ideal for professionals who value performance, ease of installation, and OEM compatibility—order today from AmpState.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355180159138,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-bja260404-40-a-2-pole-plug-in-circuit-breaker-ampstate-252.webp?v=1788739302","url":"https:\/\/www.ampstate.com\/products\/square-d-bja260404-40a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}