{"product_id":"siemens-hed41b090l-circuit-breaker","title":"Siemens | HED41B090L | Circuit Breaker | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HED41B090L Circuit Breaker — a precise, single-pole solution engineered for 277V circuits. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps protect critical loads with dependable, industry-grade performance.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HED41B090L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, ensuring a smooth replacement or retrofit process.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongtrusted reliability\u003e: Siemens engineering backs every HED41B090L, delivering consistent protection for single-circuit 277V applications.\u003c\/strongtrusted\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for retrofits\u003c\/strong\u003e: The 1-pole, 277V configuration aligns with common commercial and industrial panel setups, making it a practical choice for upgrading aging gear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility signal\u003c\/strong\u003e: Rely on the exact part number and rating to minimize guesswork during maintenance and replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperational simplicity\u003c\/strong\u003e: Straightforward installation for qualified technicians, reducing downtime during panel servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or outdated 277V single-pole breaker in commercial panels.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a precise HED-series replacement is required to match existing hard-wired circuits.\u003c\/li\u003e \u003cli\u003eMaintenance scenarios that demand a dependable, single-pole 277V solution for dedicated lighting or equipment feeders.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation insights\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing, verify that your panel supports the HED family and 1-pole, 277V configurations. Use the part number HED41B090L as your primary compatibility reference to align with the panel’s labeling and technical documentation. For safe installation, switch off the main power and follow local electrical codes; this work is best performed by a licensed electrician.\u003c\/p\u003e \u003ch3\u003eWhat to expect after installation\u003c\/h3\u003e\n\u003cp\u003eWith the Siemens HED41B090L in place, you gain dependable circuit protection for a dedicated 277V circuit, streamlined maintenance workflows, and a clear path to future replacements or retrofits thanks to precise, recognizable part-number-based compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427488616610,"sku":"HED41B090L","price":1244.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hed41b090l-circuit-breaker-1-pole-277v-598.webp?v=1789730499","url":"https:\/\/www.ampstate.com\/products\/siemens-hed41b090l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}