{"product_id":"eaton-fd1040l-347v-40a-347v-1-pole-bolt-on-circuit-breaker","title":"Eaton FD1040L (347 V) - 40 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton FD1040L (347 V) is a rugged, single-pole molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and loadcenters. With a 40A rating at 347V, it’s built to handle common commercial and light industrial distribution needs while keeping wiring clean, secure, and compliant.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection that helps maintain consistent electrical contact and reduces the risk of loose connections in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance against both overcurrent and short-circuit events, helping safeguard wiring and connected equipment from fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is crafted to work with matching loadcenters and panelboards, simplifying installation, inventory management, and service compatibility across system upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential-like electrical distribution in commercial spaces, light industrial configurations, and other 347V circuits that demand reliable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer \/ Model:\u003c\/strong\u003e Eaton FD1040L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 347V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePurpose:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal scenarios and practical use\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eProtect distribution circuits in commercial lighting panels that operate at 347V, ensuring reliable shutoff during fault conditions.\u003c\/li\u003e \u003cli\u003eIntegrate into panelboards where vibration or equipment movement is a concern, leveraging the bolt-on mounting for a longevity-focused installation.\u003c\/li\u003e \u003cli\u003eUpgrade or replace aging protection devices in light industrial setups that require a 40A, single-pole solution with OEM compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat you gain with the Eaton FD1040L\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePeace of mind from a proven thermal-magnetic protection scheme that responds predictably to faults, helping minimize downtime and equipment wear.\u003c\/li\u003e \u003cli\u003eStreamlined maintenance and replacements due to OEM-part compatibility, reducing mismatch risk during service or upgrades.\u003c\/li\u003e \u003cli\u003eClear, dependable protection for a broad range of 347V circuits without compromising on form factor or mounting approach.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349672710306,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-fd1040l-347-v-40-a-347-v-1-pole-bolt-on-circuit-breaker-769.webp?v=1788707039","url":"https:\/\/www.ampstate.com\/products\/eaton-fd1040l-347v-40a-347v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}