{"product_id":"eaton-gfcb140-40a-120v-circuit-breaker","title":"Eaton gfcb140 - 40 A, 120 V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton \u003cstrong\u003egfcb140\u003c\/strong\u003e — a \u003cstrong\u003e40A, 120V molded case circuit breaker\u003c\/strong\u003e designed to deliver reliable branch circuit overcurrent and short-circuit protection in your panelboards and loadcenters. Built for enduring performance, it combines a compact form factor with a precision protection mechanism that keeps your electrical system safe and running smoothly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-saving molded case design:\u003c\/strong\u003e Optimizes panel space so you can fit more circuits without crowding the panel interior.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection by accurately sensing both overloads and instantaneous faults, reducing nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e Designed to pair with matching Eaton loadcenters and panelboards for seamless replacement and consistent performance across installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e Suitable for \u003cem\u003eresidential, commercial, and light industrial\u003c\/em\u003e environments, providing dependable protection where it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKey specs at a glance:\u003c\/strong\u003e 40A, 120V, designed for branch circuit overcurrent and short-circuit protection in panelboards and loadcenters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003egfcb140\u003c\/strong\u003e acts as the first line of defense against damaging electrical faults. By combining a molded case with a thermal-magnetic trip mechanism, it responds quickly to short circuits and moderate overloads, helping prevent insulation damage, fire risk, and unexpected outages. Its compact design also makes it easier to manage wire routing and labeling inside crowded panels.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e gfcb140\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 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 120V\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 \u003ch3\u003eUse case scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading a residential panel to add a dedicated 40A circuit for high-demand devices or appliances.\u003c\/li\u003e \u003cli\u003ePlanning a commercial or light industrial panel setup where reliable 120V protection is essential and space inside the panel is at a premium.\u003c\/li\u003e \u003cli\u003eReplacing an older or OEM mismatch breaker in Eaton loadcenters to restore consistent trip characteristics and fit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eChoosing Eaton gfcb140: practical considerations\u003c\/h3\u003e\n\u003cp\u003eWhen your goal is dependable protection with straightforward replacement, the gfcb140 delivers. Its compatibility with Eaton’s family of panelboards and loadcenters means fewer compatibility concerns and more predictable installation outcomes. For technicians and property owners alike, it’s a reliable choice that supports safe, efficient electrical system operation across a range of commercial and residential applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349671956642,"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_ef26cebc-6b4e-4c92-bfa1-367297a6411a.png?v=1764153438","url":"https:\/\/www.ampstate.com\/products\/eaton-gfcb140-40a-120v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}