{"product_id":"siemens-qj3b175h-circuit-breaker","title":"Siemens | QJ3B175H | Circuit Breaker | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ3B175H — a robust 3-pole, 240V bolt-on circuit breaker crafted for reliable protection in demanding electrical environments. Built to fit Siemens-compatible panels, this unit is the practical choice for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\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\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Reference:\u003c\/strong\u003e QJ3B175H\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for quick, secure mounting, the bolt-on configuration minimizes downtime during panel upgrades and service work. The 3-pole design ensures synchronized protection across all three phases, making it well-suited for commercial and light-industrial circuits that demand consistent trip coordination and dependable shutoff.\u003c\/p\u003e \u003cp\u003eWhy choose this specific breaker? Unlike generic substitutes, the QJ3B175H is indexed by a precise Siemens part number, providing a clear reference for compatibility with existing Siemens panels and retrofits. This reduces guesswork during procurement and helps ensure you’re selecting the exact component your system requires.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePanel maintenance where a precise QJ3B175H replacement is specified\u003c\/li\u003e \u003cli\u003eRetrofits upgrading older gear to current 3-phase protection\u003c\/li\u003e \u003cli\u003eRepairs in service environments that rely on fast, reliable bolt-on installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant installation note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number (QJ3B175H) is the best reference for compatibility, so cross-check it against your panel labeling and service documentation prior to purchase. Always have installation performed by qualified personnel in accordance with all applicable safety standards.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427418493090,"sku":"QJ3B175H","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b175h-circuit-breaker-3-pole-240v-bolt-769.webp?v=1789720434","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b175h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}