{"product_id":"siemens-qr23b175-175a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens QR23B175 - 175 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QR23B175 is a robust 175A, 240V, 3-pole bolt-on molded case circuit breaker designed to deliver reliable overcurrent and short-circuit protection where it matters most—panelboards and load centers. Built for steady performance in diverse environments, this unit helps safeguard your electrical distribution with a secure mounting approach and precise trip behavior that professionals trust.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration-resistant bus connection that stays put through the life of the panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection—responding quickly to overloads and short circuits without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e tailored for 240V circuits, ensuring balanced protection across live conductors in three-phase or multiwire systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching Siemens load centers and panelboards for seamless replacement and streamlined installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suited for residential, commercial, and light industrial panel configurations that demand dependable branch-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e — Siemens QR23B175, 175A, 240V, 3 poles, bolt-on mounting, molded case construction. This thermal-magnetic molded case circuit breaker is purpose-built for branch-circuit overcurrent and short-circuit protection, making it a practical choice for upgrading panels or upgrading protection in existing electrical runs.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eRather than a generic protection device, the QR23B175 is engineered to integrate with your existing Siemens ecosystem. The bolt-on mounting provides a secure, vibration-resistant connection to the bus, which translates to fewer intermittent contact concerns in spaces that experience machinery or repeated door openings. The thermal-magnetic trip mechanism combines rapid response to short circuits with stable long-term protection, so you’re less likely to experience unintended trips during normal operation.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eIdeal for electricians and facilities managers who need dependable protection in panelboards and load centers. It’s a solid fit for builders outfitting new residential or commercial spaces and for technicians performing panel upgrades in light industrial settings where reliable 3‑pole protection at 240V is required.\u003c\/p\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrevents damage from overcurrent and short-circuit events in 240V circuits.\u003c\/li\u003e \u003cli\u003eReduces nuisance trips thanks to a responsive thermal-magnetic trip unit.\u003c\/li\u003e \u003cli\u003eSpeeds installation and minimizes wiring issues with a secure bolt-on mounting scheme.\u003c\/li\u003e \u003cli\u003eEnsures compatibility with OEM Siemens panelboards and load centers for straightforward upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Siemens QR23B175 is not just a component—it’s a strategic choice for robust electrical protection. With its combination of secure mounting, reliable thermal-magnetic protection, and OEM-compatible design, it supports safer, more reliable power distribution across a range of applications. Add it to your panel, and you’re investing in clarity of protection, ease of installation, and continued peace of mind in your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355166494882,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_94f415b3-32d8-4a0b-ae51-85f0d8608824.png?v=1764689912","url":"https:\/\/www.ampstate.com\/products\/siemens-qr23b175-175a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}