{"product_id":"siemens-qj3m150l-circuit-breaker","title":"Siemens | QJ3M150L | Circuit Breaker | 150A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eProtect your three‑phase 240V circuits with the Siemens QJ3M150L circuit breaker. Built for reliable performance in maintenance, retrofit, and replacement projects, this 150A, 3‑pole unit delivers solid, consistent protection for demanding electrical systems while matching Siemens’ legacy of safety and reliability.\u003c\/p\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\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\u003ePart number:\u003c\/strong\u003e QJ3M150L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUse case:\u003c\/strong\u003e maintenance, retrofit, and replacement where exact specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Siemens QJ3M150L stands out\u003c\/h2\u003e\n\u003cp\u003eSpecifically designed to protect 3‑phase 240V electrical infrastructures, the QJ3M150L pairs precise current rating with a robust three‑pole configuration. This isn’t a generic breaker—it’s a Siemens part that aligns with the exact performance characteristics your panel expects, helping maintain system safety, reliability, and continuity during servicing or upgrades.\u003c\/p\u003e \u003ch2\u003eWho will benefit\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eFacilities managers and electricians performing routine maintenance on Siemens panel systems\u003c\/li\u003e \u003cli\u003eTechnicians conducting retrofits that require an exact 150A, 3‑pole, 240V specification\u003c\/li\u003e \u003cli\u003eProject teams replacing aging or damaged breakers with a compatible, factory‑matched part\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse cases and practical considerations\u003c\/h2\u003e\n\u003cp\u003eConsider the QJ3M150L for installations or service where you need to protect complex 3‑phase loads at 240V. Before ordering, verify fit and ratings to ensure seamless compatibility with your existing panel or enclosure. The part number QJ3M150L is the most reliable reference for compatibility, reducing the risk of mismatched components during retrofit or replacement projects.\u003c\/p\u003e \u003ch2\u003eInstallation and safety notes\u003c\/h2\u003e\n\u003cp\u003eAlways confirm that the amperage, pole count, and voltage match your system requirements. Use the exact part number (QJ3M150L) as your compatibility reference to avoid mismatches. Proper installation should follow standard electrical safety practices and local codes, with the power isolated and the panel de-energized during replacement or retrofit.\u003c\/p\u003e \u003cp\u003eReady for your Siemens panel maintenance or upgrade? The QJ3M150L delivers dependable protection for 3‑phase, 240V circuits, backed by Siemens’ engineering precision and a clear reference point for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427416658082,"sku":"QJ3M150L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3m150l-circuit-breaker-150a-3-pole-240v-598.webp?v=1789720055","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3m150l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}