{"product_id":"siemens-hqr22b175h-circuit-breaker","title":"Siemens | HQR22B175H | Circuit Breaker | 175A | 2-Pole | 240V | Bolt-On","description":"\u003cdiv\u003eSiemens HQR22B175H is a bolt-on circuit breaker built for demanding, high-current protection in panels that support the HQR family. With a 175A rating across 2 poles at 240V, it delivers reliable, solid protection for large-load circuits while keeping installation secure and straightforward. Key details at a glance\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 175A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-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 number:\u003c\/strong\u003e HQR22B175H\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 Why this breaker stands out\n\u003cp\u003eThe HQR22B175H is designed for panels that rely on a bolt-on mounting style, offering a rigid, secure connection that’s ideal for installations in environments where vibration or movement could affect plug-on breakers. Its 175A two-pole configuration provides coordinated protection for both legs of a 240V circuit, making it a precise fit for high-demand equipment or large branch circuits within compatible Siemens panels.\u003c\/p\u003e Ideal use cases\n\u003cul\u003e \u003cli\u003eMaintenance: replace aging or failed breakers with an exact spec match to keep your panel operating safely\u003c\/li\u003e \u003cli\u003eRetrofits: upgrade to a higher-current, two-pole protection in existing Siemens installations that require HQR-series compatibility\u003c\/li\u003e \u003cli\u003eRepairs and replacements: when the panel label or part references indicate HQR22B175H as the correct option\u003c\/li\u003e\n\u003c\/ul\u003e Fit and compatibility guidance\n\u003cp\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e based on your panel’s labeling and design. The \u003cstrong\u003eHQR22B175H\u003c\/strong\u003e part number is the best reference for compatibility, ensuring you don’t mismatch bus connections or mounting requirements. If your panel is designed for HQR-style bolt-on breakers, this unit will align with the mounting dimensions and electrical specifications your system relies on.\u003c\/p\u003e Installation and practical considerations\n\u003cp\u003eAs a bolt-on device, this breaker requires proper mounting hardware and secure fastening to the panel’s bus structure. When installing, ensure the conductor sizes, insulation, and overcurrent protection requirements of the circuit align with the 175A rating. Follow the panel manufacturer’s guidance for torque, alignment, and any panel-specific installation steps to maintain safety and performance.\u003c\/p\u003e What you gain with Siemens HQR22B175H\n\u003cul\u003e \u003cli\u003eRobust, bolt-on stability for high-current protection in compatible panels\u003c\/li\u003e \u003cli\u003eExact specification match for maintenance, retrofit, and replacement projects\u003c\/li\u003e \u003cli\u003eClear, single-part reference (HQR22B175H) to streamline ordering and inventory\u003c\/li\u003e \u003cli\u003eReliability you expect from Siemens’ HQR-series protection devices\u003c\/li\u003e\n\u003c\/ul\u003e If you’re upgrading or restoring an existing Siemens installation that requires a 175A, 2-pole, 240V bolt-on breaker, the HQR22B175H is designed to deliver precise protection with a straightforward fit. Ensure your panel is listed for HQR bolt-on breakers and reference the part number for an accurate match.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426872053922,"sku":"HQR22B175H","price":3114.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hqr22b175h-circuit-breaker-175a-2-pole-240v-bolt-349.webp?v=1789633825","url":"https:\/\/www.ampstate.com\/products\/siemens-hqr22b175h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}