{"product_id":"siemens-qj23b080h-80a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens QJ23B080H - 80 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens QJ23B080H is a rugged 80A, 240V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to withstand the demands of real-world electrical environments, this unit pairs precise protection with a secure, vibration-resistant connection that keeps panel wiring solid over time.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e Provides a rigid, low-resistance bus connection that stays put even in environments with vibration or movement—reducing the risk of loose connections and intermittent trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Combines thermal and magnetic sensing for stable, repeatable protection. Prevents nuisance trips on gradual overcurrents while rapidly breaking the circuit during a short-circuit, protecting both conductors and connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-aligned compatibility:\u003c\/strong\u003e Specifically designed to work with matching Siemens load centers and panelboards, ensuring a seamless fit and predictable performance within your existing system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for 3-phase systems:\u003c\/strong\u003e Ideal for residential, commercial, and light industrial applications that rely on balanced 3-phase power distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eResidential, commercial, and light industrial readiness:\u003c\/strong\u003e Rated for everyday panelboard protection in a variety of settings, from home electrical upgrades to small business electrical rooms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn panelboards and load centers, reliable overcurrent protection is essential to prevent wiring damage, insulation degradation, and equipment failure. The QJ23B080H’s bolt-on construction minimizes vibration-induced wear, while the thermal-magnetic trip unit ensures protection is fast and predictable—helping facilities avoid costly downtime and repairs.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QJ23B080H\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 80A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is a practical choice for engineers and electricians upgrading or specifying protection in Siemens-based electrical infrastructures. Its combination of secure mounting, precise trip performance, and OEM compatibility helps you maintain safe, reliable power distribution across a broad range of applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355161120930,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_1535eae2-946d-4a67-9027-ac166b121a3c.png?v=1764689836","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b080h-80a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}