{"product_id":"siemens-hed41b040l-circuit-breaker","title":"Siemens | HED41B040L | Circuit Breaker | 40A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HED41B040L is a purpose-built circuit breaker designed to protect 277-volt circuits with precision. This 40-amp, 1-pole device is ideal for maintenance, retrofit, and replacement projects where exact specifications matter, helping you safeguard wiring and equipment with confidence.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e HED41B040L\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBuilt by Siemens for dependable overcurrent protection with a robust trip mechanism you can trust in critical applications.\u003c\/li\u003e \u003cli\u003eDesigned to align with Siemens panels and other systems that require a precise 40 A, 1-pole, 277 V solution.\u003c\/li\u003e \u003cli\u003eThe HED41B040L part number is the most reliable reference for compatibility—verify fit and ratings before placing an order to ensure a seamless replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectrical maintenance on existing installations that rely on a 277-volt single-pole protection device.\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades in commercial spaces where panel configurations demand exact 40 A, 1-pole protection.\u003c\/li\u003e \u003cli\u003eReplacement scenarios in panels specified to use the HED41B040L part number for straightforward compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose Siemens for panel protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eTrusted engineering from a global leader in electrical protection components, delivering consistent performance over time.\u003c\/li\u003e \u003cli\u003eClear compatibility cues through the exact part reference, reducing guesswork during replacements and upgrades.\u003c\/li\u003e \u003cli\u003eSpecifically suited for 277 V, single-pole configurations, offering practical, predictable protection in everyday and demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424780669090,"sku":"HED41B040L","price":543.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hed41b040l-circuit-breaker-40a-1-pole-277v-815.webp?v=1789413772","url":"https:\/\/www.ampstate.com\/products\/siemens-hed41b040l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}