{"product_id":"siemens-qj23b175h00s01-circuit-breaker","title":"Siemens | QJ23B175H00S01 | Circuit Breaker | 175A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJ23B175H00S01 represents dependable protection for demanding 3-phase electrical systems. Designed for 175A operation across a 3-pole, 240V configuration, this circuit breaker is ideal for maintenance, retrofit, and replacement projects where exact compatibility matters. With Siemens' proven engineering, you get consistent performance and a familiar, field-ready fit that you can trust in critical panels.\u003c\/p\u003e \u003ch4\u003eKey specifications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 175 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ23B175H00S01\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your Siemens panel, ensuring you don’t disrupt protection margins or mounting alignment.\u003c\/p\u003e \u003ch4\u003eWhy choose this Siemens circuit breaker?\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003ePrecise fit within the Siemens QJ family, delivering reliable mounting, terminals, and protective behavior identical to your existing setup.\u003c\/li\u003e \u003cli\u003eSpecifically suited for maintenance, retrofit, and replacement scenarios, helping you minimize downtime and keep systems running smoothly.\u003c\/li\u003e \u003cli\u003eDesigned for 240V three-phase distribution, making it a solid choice for commercial and light-industrial environments that rely on stable, predictable protection.\u003c\/li\u003e \u003cli\u003eBacked by Siemens’ reputation for durable construction and long service life, helping you reduce future service calls and replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eIdeal use scenarios\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or aging 3-pole, 240V circuit breaker in commercial panels or light-industrial distribution systems.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 175A, 3-pole solution is required to match existing protection schemes and panel footprints.\u003c\/li\u003e \u003cli\u003eNew installations that require a proven Siemens component for 3-phase protection at 240V with a 175A rating.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eInstallation considerations\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eAlways verify panel compatibility with the exact part number before ordering to ensure correct fit and protection characteristics.\u003c\/li\u003e \u003cli\u003ePower down the equipment and follow established safety procedures prior to installation or replacement.\u003c\/li\u003e \u003cli\u003eEnsure conductors and terminals comply with your panel’s specifications and that the device is seated firmly in the bus and enclosure.\u003c\/li\u003e \u003cli\u003eConsult your panel’s documentation for alignment with 175A protection requirements and any torque or tightening guidelines for terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425677889698,"sku":"QJ23B175H00S01","price":2823.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b175h00s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}