{"product_id":"siemens-he41b020-circuit-breaker","title":"Siemens | HE41B020 | Circuit Breaker | 1-Pole | 277V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HE41B020 Circuit Breaker is a single-pole, 277V protective device designed for maintenance, retrofit, and replacement projects in commercial and industrial panels. With a bolt-on mounting system, it delivers a secure, vibration-resistant connection installers rely on in demanding environments. This compact, reliable breaker keeps critical circuits protected without complicating panel layouts.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 1-Pole, for single-circuit protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 277V, ideal for standard commercial and industrial lighting and equipment circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On design for straightforward installation and a robust hold in compatible panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number HE41B020 is the best compatibility reference to verify fit and ratings before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest use:\u003c\/strong\u003e Ideal for maintenance, retrofit, and replacement scenarios where exact specs must be matched.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Siemens breaker stands out\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eBrand-backed reliability: Siemens brings decades of experience in protective devices, translating to predictable performance and easier troubleshooting in the field.\u003c\/li\u003e\n\u003cli\u003eExact-fit compatibility: The HE41B020 is chosen when your project requires a 1-pole, 277V bolt-on breaker with matching electrical characteristics.\u003c\/li\u003e\n\u003cli\u003eOperational stability: Bolt-on mounting minimizes loose connections and movement under vibration or thermal cycling, supporting consistent protection over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and practical tips\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eMaintenance: Keep a compatible spare on hand for rapid swap-outs during routine service windows, reducing downtime.\u003c\/li\u003e\n\u003cli\u003eRetrofit: When upgrading or replacing older 1-pole 277V breakers, verify that your panel accepts bolt-on devices and that the HE41B020 rating aligns with the circuit requirements.\u003c\/li\u003e\n\u003cli\u003eReplacement: Use the HE41B020 as the definitive reference to ensure you’re ordering the correct unit for your existing Siemens bolt-on installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant: Confirm fit and ratings before ordering. The part number HE41B020 is the most reliable reference for compatibility, so double-check it against your panel documentation to ensure a seamless replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426778534050,"sku":"HE41B020","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-he41b020-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}