{"product_id":"siemens-qj23b175ha02-circuit-breaker","title":"Siemens | QJ23B175HA02 | Circuit Breaker | 175A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJ23B175HA02 delivers dependable three-phase protection in a compact, bolt-on package. With a 175A rating at 240V and 3-pole configuration, this circuit breaker is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter. Versatile and rugged, it protects essential power feeds in industrial and commercial panels while simplifying field servicing.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 175A\u003c\/li\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 Number:\u003c\/strong\u003e QJ23B175HA02\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest use:\u003c\/strong\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens QJ Circuit Breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for reliability in demanding environments, this 3-pole, 240V device is ideal for protecting motor feeders, large loads, and 3-phase distribution circuits. The bolt-on mounting provides a solid, vibration-resistant connection for panels that require a robust, serviceable protection solution. When a panel or installation specifies the QJ family, the QJ23B175HA02 ensures seamless integration with existing wiring schemes and future expansions.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial control panels and manufacturing lines with three-phase motors\u003c\/li\u003e \u003cli\u003eRetrofits in facilities upgrading power distribution to 175A feeders\u003c\/li\u003e \u003cli\u003eMaintenance replacements in commercial HVAC, chillers, or process equipment\u003c\/li\u003e \u003cli\u003eNew installations in panels designed for bolt-on protection units\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm the fit and ratings match your system. The part number QJ23B175HA02 serves as the most reliable reference for compatibility. Ensure your panel supports a 3-pole, 240V, bolt-on configuration and that the mounting hardware is appropriate for a secure, code-compliant installation. If you’re replacing an existing unit, verify the replacement aligns with the same amperage, polarity, and trip characteristics to maintain consistent protection and trip performance.\u003c\/p\u003e \u003ch3\u003eWhat you gain with this Siemens circuit breaker\u003c\/h3\u003e\n\u003cp\u003ePeace of mind from a trusted Siemens protection device designed for real-world, high-demand environments. By matching precise specs—175A, 3-pole, 240V, bolt-on—you minimize compatibility risks and downtime, delivering consistent protection for critical loads and motor circuits. This is the practical, scalable choice for ongoing reliability in modern electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427422851234,"sku":"QJ23B175HA02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj23b175ha02-circuit-breaker-175a-3-pole-240v-bolt-369.webp?v=1789721402","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b175ha02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}