{"product_id":"siemens-bl2-040-circuit-breaker","title":"Siemens | BL2-040 | Circuit Breaker | 40A | 2-Pole | 240V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens BL2-040\u003c\/strong\u003e circuit breaker delivers dependable 40-amp, 240-volt protection in a compact, plug-in format. Engineered for maintenance, retrofit, and replacement projects, this 2-pole unit integrates with compatible Siemens panels while preserving the integrity and safety of your electrical system.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\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\u003eType:\u003c\/strong\u003e Plug-In\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e BL2-040\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e maintenance, retrofit, and replacement needs\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes this Siemens model stand out is the plug-in design that enables quick, minimal-downtime swaps—crucial for service calls, upgrades, or unexpected outages. The 2-pole configuration provides balanced protection for 240V circuits, making it a reliable choice for commonly wired loads in residential or light commercial panels. When compatibility matters, the BL2-040 part number is your most reliable reference to ensure a proper fit and correct ratings.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstronguse cases:\u003e replacing a failed 2-pole 240V breaker, retrofit projects where a 40A circuit is required, or refreshing panels during maintenance.\u003c\/stronguse\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongwho this is for:\u003e electricians, technicians, and homeowners performing panel maintenance or upgrades in Siemens-compatible systems.\u003c\/strongwho\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongbenefits:\u003e faster installation, predictable 40A protection, and a design that supports reliable circuit safety without panel modification.\u003c\/strongbenefits:\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation tips\u003c\/strong\u003e: Always shut off power at the main before working on the panel. Verify fit and ratings by cross-checking the panel labeling with the BL2-040 part number, and confirm that your panel accepts plug-in breakers of this style and amperage. Keep to the manufacturer’s guidelines and local electrical codes for a safe, compliant setup.\u003c\/p\u003e \u003cp\u003eNote: Confirm fit and ratings before ordering. The BL2-040 part number is the best reference for compatibility, ensuring you get the right plug-in 40A, 2-pole 240V protection for your Siemens panel. Add this trusted replacement to your maintenance toolkit and reduce downtime on critical circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426668859554,"sku":"BL2-040","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/siemens-bl2-040-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}