{"product_id":"square-d-edb14040-40a-277v-1-pole-bolt-on-circuit-breaker","title":"Square D EDB14040 - 40 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D EDB14040—a purpose-built 40A, 277V, 1-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to perform in demanding commercial, residential, and light industrial environments, this breaker pairs robust mechanics with precise protection characteristics you can trust.\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 creates a rigid, vibration-resistant bus connection, reducing loosening risks in environments with equipment motion or building vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e for stable, repeatable protection performance—accurate overload sensing paired with fast magnetic response to short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e aligns with matching load centers and panelboards, simplifying installation, retrofit projects, and future serviceability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile electrical rating\u003c\/strong\u003e at 277V makes it suitable for commercial lighting, HVAC controls, and other 277V distribution circuits in a variety of building types.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat it does for you\u003c\/h2\u003e\n\u003cp\u003eThis molded case circuit breaker monitors current flow on a single pole and automatically interrupts power when an overcurrent or short-circuit condition is detected. By providing fast, reliable tripping, it helps safeguard wiring, transformers, and connected equipment while minimizing downtime and potential damage.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EDB14040\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 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\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 \u003ch2\u003eIdeal use scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCommercial buildings requiring reliable 277V distribution protection for lighting panels and control circuits\u003c\/li\u003e \u003cli\u003eResidential-conversion or mixed-use installations where OEM panel compatibility is essential\u003c\/li\u003e \u003cli\u003eLight industrial panels and retrofit projects needing a sturdy, vibration-resistant breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation tips and long-term reliability\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePair with compatible OEM load centers and panelboards to maintain electrical system integrity and simplify future replacements.\u003c\/li\u003e \u003cli\u003eLeverage its bolt-on design in installations subject to vibration or where secure bus connections are critical for consistent protection performance.\u003c\/li\u003e \u003cli\u003eRely on the thermal-magnetic trip for predictable response across varying ambient temperatures and load conditions, reducing nuisance trips and improving reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D EDB14040 for a trusted, OEM-aligned, 1-pole protection solution that delivers solid 40A performance at 277V—protecting your circuits, equipment, and peace of mind in one dependable package.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355185336482,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-edb14040-40-a-277-v-1-pole-bolt-on-circuit-breaker-644.webp?v=1788739730","url":"https:\/\/www.ampstate.com\/products\/square-d-edb14040-40a-277v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}