{"product_id":"siemens-qj3b175-circuit-breaker","title":"Siemens | QJ3B175 | Circuit Breaker | 175A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for robust overcurrent protection in 3-phase, 240V systems, the Siemens QJ3B175 circuit breaker is a bolt-on solution built for reliable performance in maintenance, retrofit, and replacement projects. With a 175A rating across three poles, this unit delivers consistent protection where your electrical system needs it most.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 175 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QJ3B175\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey advantages that set the Siemens QJ3B175 apart\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003ePrecise 3-pole protection for balanced three-phase circuits, reducing the risk of uneven load and nuisance trips.\u003c\/li\u003e\n\u003cli\u003eBolt-on mounting design enables secure, field-replaceable installation with compatible Siemens panels.\u003c\/li\u003e\n\u003cli\u003eTailored for retrofit and replacement projects where exact specs matter—no guessing on compatibility.\u003c\/li\u003e\n\u003cli\u003eCompact 3-pole 240V configuration fits a wide range of Siemens panels designed to accept bolt-on breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e \u003cp\u003eThe Siemens QJ3B175 is ideal for service and maintenance work, retrofits in aging electrical installations, and replacements where a 175A, 3-pole, 240V bolt-on breaker is required. It helps maintain system safety in commercial, industrial, and multi-zone electrical setups that rely on reliable three-phase protection.\u003c\/p\u003e \u003ch3\u003eCompatibility and ordering tips\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eCompatibility tip:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your panel and bus configuration.\u003c\/p\u003e \u003cp\u003eDesigned with Siemens-quality construction, the QJ3B175 is a dependable choice when you need a precise, bolt-on 3-pole breaker that aligns with 240V systems. Keep your panel protected and your maintenance schedules on track with this exact replacement from Siemens.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427418558626,"sku":"QJ3B175","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b175-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}