{"product_id":"siemens-q370h-70a-240v-3-pole-plug-in-circuit-breaker","title":"Siemens Q370H - 70 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens Q370H — a 70A, 240V, 3-pole Plug-In Molded Case Circuit Breaker designed to deliver trustworthy branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for reliability, this unit blends fast installation with dependable protection, keeping your electrical system safe and accessible.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e — streamline installation and replacement, reducing downtime during panel maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e — provides stable, repeatable protection performance against both overloads and short circuits, so circuits trip predictably when they need to.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e — designed to fit and work seamlessly with matching Siemens OEM load centers and panelboards for consistent safety and performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e — ideal for residential, commercial, and light industrial environments that require reliable 3-pole, 240V protection on branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 240V protection\u003c\/strong\u003e — supports three-phase circuits and associated equipment, helping safeguard motors, HVAC equipment, lighting feeders, and other loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes the Q370H unique\u003c\/h3\u003e\n\u003cp\u003eUnlike generic breakers, the Q370H combines a plug-in mounting design with a thermal-magnetic protection approach, delivering quick, safe upgrades in existing panelboards and load centers. Its three-pole configuration is purpose-built for balanced three-phase systems, helping to prevent phase-to-phase faults and ensuring coordinated protection across the electrical distribution network.\u003c\/p\u003e \u003ch3\u003eTechnical 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 Q370H\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 70A\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 Plug-in\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\u003eIdeal for professionals upgrading or expanding panelboards and load centers, the Siemens Q370H 70A 240V 3-pole plug-in breaker ensures robust protection where three-phase power is present. Whether you’re wiring a small commercial space, an industrial light load, or a residential subpanel with multiple three-phase circuits, this breaker provides precise protection, rapid installation, and long-term reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355158302882,"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_88116fe4-321d-4224-ac09-c510737a8f42.png?v=1764689774","url":"https:\/\/www.ampstate.com\/products\/siemens-q370h-70a-240v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}