{"product_id":"siemens-qj3m100h-circuit-breaker","title":"Siemens | QJ3M100H | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ3M100H, a purpose-built circuit breaker that delivers dependable overcurrent protection for three‑phase 240V systems. At 100A with a 3‑pole configuration, this bolt‑on breaker is engineered for fast, secure installation in compatible Siemens panels, making it a trusted choice for both new builds and retrofit projects.\u003c\/p\u003e \u003ch3\u003eWhy engineers and electricians choose the QJ3M100H\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecisely matched specs\u003c\/strong\u003e—100A, 3‑pole, 240V design tailored for three‑phase circuits, ensuring consistent protection where you need it most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt‑on mounting\u003c\/strong\u003e—a streamlined installation approach that delivers solid mechanical hold and reliable electrical contact in panels designed for bolt‑on breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference\u003c\/strong\u003e—part number QJ3M100H is your strongest guide for finding the right fit in Siemens equipment and replacement scenarios.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for service projects\u003c\/strong\u003e—ideal for maintenance, retrofit, and replacement work where matching ratings and pole count are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or refurbishing a three‑phase distribution panel to meet newer electrical loads.\u003c\/li\u003e \u003cli\u003eReplacing a failed 100A, three‑pole device in industrial or commercial environments.\u003c\/li\u003e \u003cli\u003eRetrofitting panels to align with updated safety standards or load profiles without overhauling the entire electrical system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eImportant compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings on the receiving panel. The QJ3M100H part number is the most reliable reference to confirm compatibility with your Siemens panel and mounting style.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongamperage:\u003e 100 A\u003c\/strongamperage:\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt‑On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ3M100H\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand precise protection, straightforward installation, and dependable performance in 3‑phase electrical systems, the Siemens QJ3M100H is a robust choice for safeguarding equipment and sustaining uptime in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427417018530,"sku":"QJ3M100H","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3m100h-circuit-breaker-100a-3-pole-240v-bolt-526.webp?v=1789720135","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3m100h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}