{"product_id":"siemens-qj3m080h-circuit-breaker","title":"Siemens | QJ3M080H | Circuit Breaker | 80A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ3M080H—a dependable bolt-on circuit breaker engineered for robust protection in 3‑phase electrical setups. With an 80A rating and 240V operation, this 3‑pole device delivers precise overcurrent protection where reliability matters most—whether you’re performing maintenance, a retrofit, or a replacement in an existing panel.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 80A\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 Number:\u003c\/strong\u003e QJ3M080H\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens QJ3M080H\u003c\/h3\u003e\n\u003cp\u003eThis bolt-on circuit breaker is designed for quick, secure installation in compatible Siemens panels, reducing downtime during repairs or upgrades. The 3‑pole configuration provides balanced protection across all three phases, making it a practical solution for motor circuits, feeders, and other 3‑phase loads where reliable shutdown is essential. By selecting the exact part number, you maximize compatibility and performance in systems that require the QJ3M bolt-on family.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service work on Siemens panels that accept bolt-on breakers\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade or replace aging 3‑phase protection in industrial or commercial equipment\u003c\/li\u003e \u003cli\u003eReplacement of failed breakers in retrofit projects where the QJ3M080H spec matches panel requirements\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility check:\u003c\/strong\u003e The part number is the best reference for matching your panel. Confirm fit and ratings before purchasing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation best practices:\u003c\/strong\u003e Power down the system, use proper tools, and follow lockout\/tagout procedures during mounting and replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e Handle with clean, dry hands and avoid contact with live conductors during installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical insights and value\u003c\/h3\u003e\n\u003cp\u003eChoosing the QJ3M080H means leaning on Siemens’ proven design for dependable protection with straightforward maintenance. The bolt-on format minimizes panel disruption during replacement, helping you restore protective circuitry quickly. Whether you're sustaining a manufacturing line or upgrading a commercial electrical room, this 80A, 3‑pole, 240V breaker is built to perform consistently under demanding operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427417477282,"sku":"QJ3M080H","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3m080h-circuit-breaker-80a-3-pole-240v-bolt-993.webp?v=1789720196","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3m080h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}