{"product_id":"eaton-br345-45a-240v-3-pole-plug-in-circuit-breaker","title":"Eaton BR345 - 45 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton BR345—a 45A, 240V, 3-pole plug-in molded case circuit breaker designed to guard your electrical system from overloads and short circuits. Built for fast, secure installation in panelboards and load centers, this unit is a dependable choice for residential, commercial, and light industrial applications. Available from AmpState, it’s ready to install when you need reliable power protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e enables quick installation and hassle-free replacement, reducing downtime during upgrades or maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by responding to both sustained overloads and sudden faults, helping prevent nuisance trips and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e ensures simultaneous disconnection of all three phases, which is crucial for balanced 240V circuits and motor-driven loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching OEM load centers and panelboards for a seamless, code-compliant fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e ideal for residential, commercial, and light industrial environments where reliable branch circuit protection matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e: Eaton BR345, 45A, 240V, 3-pole, plug-in molded case circuit breaker. Type: Thermal-magnetic molded case. Mounting style: Plug-in. Part Number: BR345.\u003c\/p\u003e \u003ch2\u003eWhy the BR345 stands out\u003c\/h2\u003e \u003cp\u003eMore than just its specs, the BR345 is built for installers who value speed, reliability, and longevity. The plug-in format minimizes wiring complexity and reduces the risk of loose connections, while the thermal-magnetic trip unit provides predictable protection aligned with your load profile. This combination translates to fewer interruptions and greater peace of mind for the people and equipment you’re protecting.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e \u003cp\u003eIn homes, use the BR345 for large appliance circuits or multi-wire branch circuits that require solid 240V protection. In commercial settings, it powers motor-driven equipment, HVAC control circuits, lighting panels, and other distribution needs. In light industrial environments, it offers dependable protection for distribution panels where quick replacement and minimal downtime are priorities.\u003c\/p\u003e \u003ch2\u003eInstallation tips and best practices\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eConfirm panelboard compatibility with BR-series plug-in breakers to ensure an optimal, secure fit.\u003c\/li\u003e \u003cli\u003eMatch the amperage rating (45A) to your circuit’s load calculations to maintain safety and performance.\u003c\/li\u003e \u003cli\u003eKeep a spare BR345 on hand for rapid swaps during maintenance or panel updates.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its combination of rapid installation, precise thermal-magnetic protection, and OEM-compatible design, the Eaton BR345 is a practical, high-value choice for safeguarding 240V, three-pole circuits. Trust AmpState to provide a trustworthy source for this essential component of your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349499924642,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_c9ea0ba8-72e3-4a1b-b1c3-19c07a2888a0.png?v=1764148294","url":"https:\/\/www.ampstate.com\/products\/eaton-br345-45a-240v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}