{"product_id":"siemens-hed42b015l-circuit-breaker","title":"Siemens | HED42B015L | Circuit Breaker | 2-Pole | 42kA","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HED42B015L\u003c\/strong\u003e is a genuine 2-pole circuit breaker engineered for dependable protection in maintenance, retrofit, and replacement projects where exact specifications matter. This isn’t a generic substitute—it's the precise part number you reference when seeking reliable Siemens performance.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting capacity:\u003c\/strong\u003e 42kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HED42B015L\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy the 42kA rating matters: a higher interrupting capacity means the breaker can safely interrupt larger fault currents, helping protect wiring, devices, and personnel in commercial and industrial environments. The 2-pole configuration provides simultaneous isolation of two live conductors, simplifying shutdown procedures and improving panel safety during servicing.\u003c\/p\u003e \u003ch3\u003eWhy choose this Siemens part\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Siemens component:\u003c\/strong\u003e built to the exacting standards of Siemens electrical protection devices, offering consistent trip characteristics and reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference for compatibility:\u003c\/strong\u003e the HED42B015L part number is your best reference when matching breakers to panels, bus bars, and enclosure configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for maintenance, retrofit, and replacement:\u003c\/strong\u003e ideal when upgrading or restoring protection in existing systems that require this specific specification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear safety and compliance alignment:\u003c\/strong\u003e aligns with industry safety expectations for protective devices in electrical distribution systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in commercial or light-industrial panels where a 2-pole, 42kA-rated breaker is specified.\u003c\/li\u003e \u003cli\u003eMaintenance replacements to restore original protection levels without altering panel configuration.\u003c\/li\u003e \u003cli\u003ePanel upgrades that require a precise, compatible Siemens part for continued safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation guidance\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel’s labeling and documentation. The product description notes that the part number is the best reference for compatibility, so ensure the panel is designed to accept HED42B015L or requires this exact specification. If you’re replacing an existing unit, verify that the pole count and interrupting capacity match the original device to avoid mismatches in protection or panel layout.\u003c\/p\u003e \u003ch3\u003ePractical tips for operators and technicians\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCross-check the part number (HED42B015L) with your panel’s documentation to prevent incompatible substitutions.\u003c\/li\u003e \u003cli\u003eWhen performing retrofits, plan for panel access and safe de-energization procedures to minimize downtime.\u003c\/li\u003e \u003cli\u003eStore replacement breakers in a clean, dry environment to preserve terminal integrity and trip performance until installation.\u003c\/li\u003e \u003cli\u003eDocument the replacement in maintenance logs, noting the exact part number and date for future reference.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens HED42B015L 2-Pole Circuit Breaker for a precise, reliable solution that aligns with your panel’s protection needs. Its 42kA interrupting capacity and authentic Siemens engineering offer confident protection during faults, straightforward retrofits, and durable performance across demanding electrical environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425634373794,"sku":"HED42B015L","price":551.0,"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-hed42b015l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}