{"product_id":"siemens-qj23b150h00s01-circuit-breaker","title":"Siemens | QJ23B150H00S01 | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJ23B150H00S01 is a bolt-on circuit breaker designed for dependable protection in 3-pole, 240V electrical panels. Built for maintenance, retrofit, and replacement projects where exact specs matter, this unit delivers reliable interruption performance when and where you need it most.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\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 reference:\u003c\/strong\u003e QJ23B150H00S01\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect-fit for Siemens panels that require QJ-series bolt-on breakers, ensuring compatibility with existing bus and mounting footprints.\u003c\/li\u003e \u003cli\u003eSecure bolt-on mounting that resists vibration and keeps the electrical connection solid during operation.\u003c\/li\u003e \u003cli\u003ePurpose-built for retrofit scenarios—swap in this 150A, 3-pole 240V unit to upgrade protection without reconfiguring the panel.\u003c\/li\u003e \u003cli\u003eMaintains consistent protection across all three poles in a 240V system, essential for balanced three-phase service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance on Siemens electrical panels where the QJ series is specified.\u003c\/li\u003e \u003cli\u003eRetrofits that require exact 150A, 3-pole, 240V bolt-on protection to match existing feeders.\u003c\/li\u003e \u003cli\u003eReplacement of worn breakers to restore original system protection and trip coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility: QJ23B150H00S01.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426718732450,"sku":"QJ23B150H00S01","price":5674.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj23b150h00s01-circuit-breaker-150a-3-pole-240v-bolt-111.webp?v=1789609762","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b150h00s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}