{"product_id":"eaton-ehd3040-40a-480v-3-pole-bolt-on-circuit-breaker","title":"Eaton EHD3040 - 40 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEaton EHD3040 is a 40A, 480V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to keep critical electrical systems safe, this unit combines rugged construction with precise protection performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical contact in environments where equipment and machinery generate movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection, quickly clearing faults while minimizing nuisance trips for normal startup surges or brief overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to fit and perform with matching Eaton OEM loadcenters and panelboards, streamlining installation and reducing compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suited for residential, commercial, and light industrial panel assemblies, making it a practical choice for upgrades, replacements, and new builds.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: EHD3040\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 40 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 480 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this unit when you need reliable protection for a three-phase circuit in panelboards and loadcenters, with installation that emphasizes a solid, vibration-resistant connection and long-term performance. Whether upgrading an existing system or specifying hardware for a new installation, the Eaton EHD3040 3-pole bolt-on breaker offers a precise, dependable solution that aligns with Eaton’s OEM loadcenters and panelboards.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349554286754,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-ehd3040-40-a-480-v-3-pole-bolt-on-circuit-breaker-ampstate-730.webp?v=1788682497","url":"https:\/\/www.ampstate.com\/products\/eaton-ehd3040-40a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}