{"product_id":"siemens-qr23b175l-175a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens QR23B175L 175 Amp 240 Volt 3-Pole Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens QR23B175L — a robust 175A, 240V, 3-pole bolt-on molded case circuit breaker designed to shield electrical systems from overcurrent and short-circuit events. Built for dependable protection in panelboards and load centers, this unit delivers a secure, vibration-resistant connection through bolt-on mounting and a precise thermal-magnetic trip mechanism that responds consistently to faults.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSecure bolt-on mounting for a rigid, vibration-resistant bus connection that maintains reliable electrical continuity even in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip unit provides stable, repeatable protection against both overloads and short circuits, helping to prevent damage to wiring and connected equipment.\u003c\/li\u003e \u003cli\u003e3-pole design at 240V, ideal for 3-phase distribution and larger branch circuits common in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003eCompatibility with matching OEM load centers and panelboards, ensuring a proper fit and seamless integration into existing Siemens installations.\u003c\/li\u003e \u003cli\u003eSuitable for residential, commercial, and light industrial applications where durable, long-term overcurrent protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: QR23B175L\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 175A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTypical applications and installation guidance\u003c\/h3\u003e\n\u003cp\u003eIdeal for panels and load centers that require a rugged, high-capacity protective device, the QR23B175L serves as a main or feeder breaker for large circuits in homes, small businesses, and light industrial facilities. It’s designed to work with matching OEM panel systems, delivering reliable performance without compromising space or panel layout.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUse cases: protect large branch circuits, feed equipment rooms, or serve as the main disconnect for three-phase loads in compatible panels.\u003c\/li\u003e \u003cli\u003eWho this is for: electrical contractors, facility managers, and professionals upgrading Siemens-based panels or retrofit projects where bolt-on protection is preferred.\u003c\/li\u003e \u003cli\u003eInstallation notes: ensure the panelboard accepts bolt-on QR-series breakers and that the system’s bus connection aligns with the device’s mounting configuration. As with all electrical work, installation should be performed by a licensed electrician in accordance with local codes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens QR23B175L in your panel, you get a dependable, high-capacity safeguard for demanding electrical environments. Its secure mounting, precise thermal-magnetic protection, and OEM compatibility make it a practical, long-term solution for ensuring reliable power distribution across residential, commercial, and light industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355166527650,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qr23b175l-175-a-240-v-3-pole-bolt-on-circuit-breaker-174.webp?v=1788737501","url":"https:\/\/www.ampstate.com\/products\/siemens-qr23b175l-175a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}