{"product_id":"eaton-br140-40a-120v-1-pole-plug-in-circuit-breaker","title":"Eaton BR140 - 40 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton BR140 — a 40A, 120V, 1-pole plug-in circuit breaker designed for dependable branch circuit protection in panelboards and load centers. This molded-case breaker combines fast plug-in installation with precise, repeatable protection, making it a smart upgrade or replacement choice for residential, commercial, and light industrial electrical systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and seamless replacement, minimizing downtime during panel upgrades or service calls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection against overcurrent and short circuits, helping reduce nuisance trips and protect connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e design — fully compatible with matching OEM load centers and panelboards, ensuring reliable operation within established electrical ecosystems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where dependable protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart number: BR140\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 40A\u003c\/li\u003e \u003cli\u003eVoltage rating: 120V\u003c\/li\u003e \u003cli\u003eNumber of poles: 1\u003c\/li\u003e \u003cli\u003eMounting style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters\u003c\/h3\u003e\n\u003cp\u003eThe BR140 is more than a drop-in replacement — it’s a modular solution designed to keep electrical systems safe and performant. The plug-in design reduces installation complexity, while the thermal-magnetic trip mechanism adapts to real-world load changes, delivering predictable protection across a wide range of circuits. In panelboards and load centers where uptime matters, this breaker offers a straightforward path to upgrading protection without overhauling existing infrastructure.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cp\u003eUse the Eaton BR140 in service panel upgrades, panelboard expansions, or when refreshing aging protection. It's well-suited for circuits powering lighting, receptacles, HVAC controls, and other everyday loads in homes, small offices, retail spaces, and light industrial setups. When you need reliable, OEM-compatible protection that installs quickly, the BR140 is a practical, long-term choice.\u003c\/p\u003e \u003ch3\u003ePractical tips for optimal performance\u003c\/h3\u003e\n\u003cp\u003eConfirm the BR140’s compatibility with your current panelboard or load center before installation. Always follow local electrical codes and the panel’s labeling for correct replacement procedures. Keep the 40A rating in mind for circuits that demand robust protection without tripping under normal operation.\u003c\/p\u003e \u003cp\u003eWith its combination of fast plug-in installation, stable thermal-magnetic protection, and OEM compatibility, the Eaton BR140 40A 120V 1-pole plug-in circuit breaker is a reliable partner for safeguarding electrical systems while keeping downtime to a minimum.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349497729186,"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_f7637783-2392-4c99-afe4-9fdca389d82c.png?v=1764148230","url":"https:\/\/www.ampstate.com\/products\/eaton-br140-40a-120v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}