{"product_id":"siemens-hed42b040l-circuit-breaker","title":"Siemens | HED42B040L | Circuit Breaker | 2-Pole | 480V","description":"\u003cdiv\u003eSiemens HED42B040L represents a precise, ready-to-install circuit protection solution for 2-pole, 480V electrical distributions. Designed to align with Siemens systems, this part is ideal for maintenance, retrofit, or replacement projects where exact specs matter—and where compatible hardware is non-negotiable. \u003ch3\u003eCompatibility and specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRated voltage:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HED42B040L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-match replacement:\u003c\/strong\u003e HED42B040L is the precise reference for Siemens-compatible panels and systems, helping you avoid mismatches that can lead to downtime or compatibility issues.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-ready:\u003c\/strong\u003e Engineered for service environments where reliable protection and predictable performance are essential, reducing the risk of unexpected trips in critical applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-friendly:\u003c\/strong\u003e When upgrading or updating existing gear, this 2-pole, 480V unit slots into compatible configurations with minimal modification, keeping your electrical infrastructure consistent.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRoutine maintenance in industrial facilities that rely on Siemens circuit protection with 480V distributions.\u003c\/li\u003e \u003cli\u003eRetrofit projects where updating a panel requires an exact part reference to ensure seamless compatibility.\u003c\/li\u003e \u003cli\u003eReplacement scenarios to restore original performance characteristics without introducing mismatched components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify compatibility\u003c\/h3\u003e\n\u003cp\u003eBecause the part number is the best reference for compatibility, confirm that HED42B040L matches your panel documentation and the system’s required rating before ordering. If you’re replacing a failed or aging unit, use the original part number to ensure an exact fit and electrical rating.\u003c\/p\u003e \u003ch3\u003eShopping guidance\u003c\/h3\u003e\n\u003cp\u003eWhen planning a Siemens circuit protection update, prioritize parts that explicitly match your equipment’s specifications. For a straightforward, reliable replacement in 2-pole, 480V circuits, the HED42B040L provides a dependable path to restoring protected operation while maintaining system integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425634242722,"sku":"HED42B040L","price":1459.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hed42b040l-circuit-breaker-2-pole-480v-982.webp?v=1789434410","url":"https:\/\/www.ampstate.com\/products\/siemens-hed42b040l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}