{"product_id":"siemens-qj3h175","title":"Siemens QJ3H175 175A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eSiemens QJ3H175\u003c\/strong\u003e — a robust \u003cstrong\u003e175 A\u003c\/strong\u003e, \u003cstrong\u003e3-pole\u003c\/strong\u003e, \u003cstrong\u003e240 V\u003c\/strong\u003e circuit breaker designed to safeguard 3-phase power in commercial and light-industrial environments. Built by Siemens, this unit delivers dependable overcurrent protection, enabling quick, safe fault isolation and simplified integration into compatible Siemens panels and distribution equipment.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact spec clarity\u003c\/strong\u003e: Current rating \u003cstrong\u003e175 A\u003c\/strong\u003e, Poles: \u003cstrong\u003e3\u003c\/strong\u003e, Voltage rating: \u003cstrong\u003e240 V\u003c\/strong\u003e, Part Number: \u003cstrong\u003eQJ3H175\u003c\/strong\u003e.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e ensures all phases disconnect together, helping prevent unbalanced faults and reducing damage to connected motors and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustry-standard compatibility\u003c\/strong\u003e designed to fit Siemens QJ-series panels, MCCs, and switchgear, facilitating straightforward replacement or upgrade in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable Siemens engineering\u003c\/strong\u003e crafted for reliability in busy electrical spaces, delivering consistent performance with long service life under typical commercial and light-industrial conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, practical protection\u003c\/strong\u003e ideal for feeders to large loads such as motors, pumps, and HVAC equipment, where dependable disconnection at fault is crucial for safety and uptime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis \u003cstrong\u003eQJ3H175\u003c\/strong\u003e circuit breaker answers real maintenance and safety needs: it provides dependable overcurrent protection for 3-phase circuits, helps minimize downtime by quickly isolating faults, and supports organized, scalable distribution in spaces like warehouses, manufacturing floors, and commercial facilities. Whether you’re upgrading aging gear or stocking a replacement part for ongoing maintenance, the \u003cstrong\u003eSiemens QJ3H175\u003c\/strong\u003e offers a precise fit and trusted performance in Siemens-equipped electrical systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrimary protection for 3-phase feeders in a Siemens panelboard or switchgear assembly.\u003c\/li\u003e \u003cli\u003eReplacement for worn or failing breakers in QJ-series electrical installations.\u003c\/li\u003e \u003cli\u003eProtection for motors, pumps, and HVAC circuits in commercial and light-industrial environments.\u003c\/li\u003e \u003cli\u003eCritical backup protection for service entrances or distribution boards requiring a dedicated 3-pole, 240 V solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePart Number: \u003cstrong\u003eQJ3H175\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eCurrent Rating: \u003cstrong\u003e175 A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage Rating: \u003cstrong\u003e240 V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eType: \u003cstrong\u003eCircuit Breaker\u003c\/strong\u003e (3-pole, for 3-phase systems)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to protect your 3-phase distribution with a trusted Siemens solution? The \u003cstrong\u003eSiemens QJ3H175\u003c\/strong\u003e is the dependable choice for precise, durable overcurrent protection in compatible panels and enclosures. Add it to your cart to secure reliable, easy-to-maintain electrical protection today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423254728866,"sku":"QJ3H175","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3h175","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}