{"product_id":"siemens-qr23b150-150a-3p-240v-circuit-breaker","title":"Siemens QR23B150 150A 3P 240V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Siemens for dependable circuit protection in commercial and light industrial electrical distribution, the \u003cstrong\u003eSiemens QR23B150\u003c\/strong\u003e is a 3-pole, 150A, 240V circuit breaker designed to plug into Siemens panelboards and load centers with confidence. This OEM-grade unit delivers consistent performance for demanding applications where reliable shutoff and protected circuits matter.\u003c\/p\u003e \u003cp\u003eKey strengths of the QR23B150:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150 A — robust protection for high‑demand circuits in larger panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-pole design — suited for three‑phase distribution in compatible assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V — appropriate for standard commercial and industrial electrical systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QR23B150 — maintains exact compatibility in retrofit and documentation workflows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens — trusted reliability and seamless integration with Siemens panelboards and load centers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this QR23B150 for your project:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofitting with consistency:\u003c\/strong\u003e When the project requires sticking to a specific part number, QR23B150 ensures seamless replacements without recertifying panels or reordering mismatched units.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance planning made easier:\u003c\/strong\u003e Stock a proven, compatible breaker that fits a wide range of Siemens distribution setups, reducing downtime during service calls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability for demanding loads:\u003c\/strong\u003e With a 150A rating on a 240V system, this breaker protects large branch circuits or feeders in panelboards and load centers, helping prevent overloads and electrical faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability from AmpState:\u003c\/strong\u003e Ready-to-ship supply through AmpState so you can plan maintenance without delays.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or tripped 150A, 3P 240V breaker in Siemens panelboards without introducing mismatched part numbers.\u003c\/li\u003e \u003cli\u003eRetrofit projects where keeping the exact QR-series designation simplifies documentation and future servicing.\u003c\/li\u003e \u003cli\u003eStocking a dependable spare in service vans or maintenance closets for quick, predictable field repairs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help confirming fit for your specific panel or distribution setup? \u003cstrong\u003eMessage us\u003c\/strong\u003e and we’ll help verify compatibility and ensure the QR23B150 is the right match for your Siemens equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410885202082,"sku":"QR23B150","price":2393.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-qr23b150-150a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}