{"product_id":"siemens-qj3b175a02-circuit-breaker","title":"Siemens | QJ3B175A02 | Circuit Breaker | 175A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens QJ3B175A02 Circuit Breaker — a precise, high-capacity protection device engineered for 3-phase systems. With a specification of 175A, 3-Pole, and 240V, this breaker is built to safeguard electrical installations where reliable, heavy-duty protection is required.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 175A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ3B175A02\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong purpose-built for maintenance retrofit and replacement:\u003e when you need to restore or upgrade a panel, this unit delivers exact specifications to match your existing system.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest compatibility reference:\u003c\/strong\u003e the QJ3B175A02 part number is the most reliable way to confirm fit and ratings for your equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection:\u003c\/strong\u003e designed to safeguard 3-pole circuits at 240V, making it well-suited for commercial and industrial distribution panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or failed breaker in a 3-phase, 240V panel\u003c\/li\u003e \u003cli\u003eRetrofits where your system requires a precise 175A, 3-Pole, 240V specification\u003c\/li\u003e \u003cli\u003eMaintenance swaps to minimize downtime and maintain electrical safety in industrial or commercial environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cstrong\u003econfirm fit and ratings before ordering\u003c\/strong\u003e to ensure seamless replacement without panel modification.\u003c\/li\u003e \u003cli\u003eUse the \u003cstrong\u003epart number QJ3B175A02\u003c\/strong\u003e as the primary compatibility reference when cross-checking with your panel specs.\u003c\/li\u003e \u003cli\u003eEnsure your service\/distribution panel supports a 3-pole, 240V configuration and that the bus type is compatible with Siemens breakers of the QJ3B family.\u003c\/li\u003e \u003cli\u003eHandle with standard electrical safety procedures; disconnect power, verify absence of voltage, and follow manufacturer guidelines during installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you gain with Siemens QJ3B175A02\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSecure, dependable overcurrent protection for critical 3-phase circuits\u003c\/li\u003e \u003cli\u003eConsistency with existing Siemens panels and components, reducing compatibility uncertainty\u003c\/li\u003e \u003cli\u003eClear reference points for ordering and replacements, minimizing downtime and errors in maintenance workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426490568866,"sku":"QJ3B175A02","price":2010.0,"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-qj3b175a02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}