{"product_id":"siemens-ed42b040l-circuit-breaker","title":"Siemens | ED42B040L | Circuit Breaker | 40A | 2-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens ED42B040L—an exact-fit circuit breaker designed for robust protection in 480V, 40A, 2-pole configurations. Whether you’re performing routine maintenance, retrofits, or replacement in industrial electrical panels, this ED-series breaker keeps your system aligned with Siemens specifications and predictable performance.\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 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number ED42B040L for precise compatibility in Siemens equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the ED42B040L for your project?\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong precise compatibility:\u003e Using the exact part number ED42B040L minimizes guesswork and reduces the risk of mismatched ratings in your panel, ensuring dependable protection without surprises.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong targeted protection for systems:\u003e The 40A, two-pole design is tailored for higher voltage installations, providing simultaneous disconnection of both live conductors to improve safety during service life.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong simplified maintenance and replacement:\u003e This model is intended for straightforward maintenance, retrofit, and replacement tasks, allowing technicians to swap in available Siemens components without bespoke fabrication.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong clear use cases:\u003e Ideal for industrial control panels, commercial electrical rooms, and equipment layouts that operate at 480V and require reliable, code-aligned protection.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse-case scenarios and benefits\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong retrofit projects:\u003e When upgrading older panels to maintain consistent Siemens protection, ED42B040L provides a direct, drop-in replacement that preserves system behavior and protection curves.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong maintenance intervals:\u003e Regular inspections benefit from staying with the exact ED-series family, reducing compatibility concerns during service windows.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong new installations:\u003e For new builds or panel refurbishments that require a 480V, 40A, 2-pole solution, this breaker offers a reliable, industry-standard option within Siemens ecosystems.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong safety and reliability:\u003e Two-pole design ensures both hot legs can be isolated together, enhancing maintenance safety and minimizing arc-flash exposure during servicing.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant note: Confirm fit and ratings before ordering. The part number is your best reference for compatibility, so verify ED42B040L against your Siemens panel model and electrical specifications before purchase.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425635356834,"sku":"ED42B040L","price":1253.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-ed42b040l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}