{"product_id":"siemens-hgb1k045b-circuit-breaker","title":"Siemens | HGB1K045B | Circuit Breaker | 45A | 1-Pole | 347V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HGB1K045B circuit breaker delivers dependable, precise protection for 347V electrical systems in a compact, 1-pole design. Built for maintenance, retrofit, and replacement projects, this part is tailored to environments where exact specifications matter and downtime needs to be minimized.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45 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 347 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HGB1K045B\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy the HGB1K045B stands out for your panel:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference:\u003c\/strong\u003e The part number HGB1K045B is the best reference for matching your panel’s requirements, helping ensure proper fit and electrical characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient replacements:\u003c\/strong\u003e A straightforward, drop-in option for maintenance and replacement, designed to minimize panel downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready:\u003c\/strong\u003e Supports modernization efforts without extensive rewiring or redesign, preserving existing wiring and enclosure configurations where possible.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for 347V systems:\u003c\/strong\u003e Specifically rated for circuits operating at 347 volts, making it suitable for certain commercial and industrial installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use scenarios\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacing a failed 45 A, 1-pole breaker in a Siemens or compatible distribution panel to restore protection quickly.\u003c\/li\u003e \u003cli\u003eUpgrading legacy panels to align with current electrical protection standards during routine maintenance or code-driven improvements.\u003c\/li\u003e \u003cli\u003eImplementing a targeted protection upgrade for a dedicated 347V circuit without altering other feeder protections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Confirm fit and ratings before ordering. The \u003cem\u003eHGB1K045B\u003c\/em\u003e part number is the most reliable reference for compatibility with your specific panel model and system voltage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426655883426,"sku":"HGB1K045B","price":858.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hgb1k045b-circuit-breaker-45a-1-pole-347v-780.webp?v=1789601416","url":"https:\/\/www.ampstate.com\/products\/siemens-hgb1k045b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}