{"product_id":"siemens-qj23b175a01-circuit-breaker","title":"Siemens | QJ23B175A01 | Circuit Breaker | 175A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens delivers reliable 3-phase protection with the QJ23B175A01 circuit breaker, rated 175A at 240V. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring your Siemens-compatible panels stay protected and compliant. With a 3-pole configuration, it handles balanced loads across three lines, providing consistent interruption capability for demanding commercial and light industrial applications.\u003c\/p\u003e \u003ch3\u003eWhat makes the QJ23B175A01 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise specification match\u003c\/strong\u003e: Amperage 175A, 3-Pole, 240V. These ratings are ideal for safeguarding 3-phase distribution networks that operate at 240V and require robust fault protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e: The bolt-on design offers a secure, solid connection inside compatible panels, contributing to dependable performance in busy electrical environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens-QJ compatibility\u003c\/strong\u003e: Part number QJ23B175A01 is the definitive reference for compatibility, making it a smart choice for projects that must align with the QJ family of breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service upgrades in commercial or light industrial panels that require a 175A, 3-pole, 240V breaker.\u003c\/li\u003e \u003cli\u003eRetrofits where existing equipment uses Siemens QJ-series breakers and needs a precise fit to maintain panel labeling and protection schemes.\u003c\/li\u003e \u003cli\u003eReplacement of aging or failed circuit breakers in 3-phase distribution setups that operate at 240V, helping minimize downtime and preserve system integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this breaker helps your system\u003c\/h3\u003e\n\u003cp\u003eIn any 3-phase layout, balancing loads and protecting conductors from overcurrent is essential. The QJ23B175A01 provides a straightforward, dependable solution that aligns with Siemens' design philosophy: clear specifications, durable construction, and reliable operation in everyday electrical service. By selecting the exact ratings and format (175A, 3-pole, 240V, bolt-on), you reduce guesswork during replacement and keep your panel’s protection scheme consistent with its original design.\u003c\/p\u003e \u003ch3\u003ePractical guidance for installation and fit\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVerify fit before ordering\u003c\/strong\u003e: Use the part number QJ23B175A01 as the best reference for compatibility with your panel. Confirm the panel accepts a bolt-on, 3-pole, 240V configuration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation context\u003c\/strong\u003e: This breaker is intended for Siemens-compatible panels that support the QJ family. Ensure the mounting method (bolt-on) matches your panel’s mounting standards and that the bus connections align with the device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafety and professionalism\u003c\/strong\u003e: For optimal reliability and to maintain electrical warranty eligibility, have a qualified electrician perform installation or replacement and follow all applicable safety guidelines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePost-install checks\u003c\/strong\u003e: After installation, confirm the panel labeling reflects the new device and test the circuit under supervised conditions to ensure proper operation within your system’s protection profile.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re refreshing an aging distribution panel, upgrading to a design that matches existing Siemens components, or executing a targeted retrofit, the Siemens QJ23B175A01 circuit breaker delivers the precise specifications and secure mounting you need. With its 175A rating, 3-pole configuration, and 240V operation, it’s a dedicated solution for maintaining uninterrupted, well-protected 3-phase power in commercial and light industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427472461986,"sku":"QJ23B175A01","price":2478.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj23b175a01-circuit-breaker-175a-3-pole-240v-bolt-665.webp?v=1789727731","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b175a01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}