{"product_id":"cutler-hammer-eh1040-40a-1p-277v-circuit-breaker","title":"Cutler-Hammer EH1040 Circuit Breaker, 40A, 1-Pole, 277V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Cutler-Hammer EH1040 Circuit Breaker is a rugged, single-pole protection device designed for industrial electrical service, maintenance, and replacement projects. As part of the Case Breaker EH family, this 40 A, 277 V breaker delivers dependable, targeted overcurrent protection for individual circuits in demanding environments.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage and type:\u003c\/strong\u003e 40 A, 1-pole design, suitable for single-phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 277 V, ideal for commercial\/industrial distribution and lighting systems that run on 277 V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries and compatibility:\u003c\/strong\u003e Part of the Cutler-Hammer Case Breaker EH family. Use the part number \u003cstrong\u003eEH1040\u003c\/strong\u003e to confirm fit with your panel or switchgear and ensure it meets your application requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Industrial electrical service, maintenance, and replacement projects—great for upgrading or replacing aging protection devices in established EH-series installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFit and confirmation:\u003c\/strong\u003e Verify fit by part number and application requirements. If you’re unsure about compatibility, you can message us for assistance in matching the right part.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the EH1040 for your project?\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrecise single-pole protection for circuits where 40 A of current is enough to safeguard equipment and wiring against overloads.\u003c\/li\u003e \u003cli\u003e277 V capability aligns with common commercial electrical infrastructure, reducing the need for additional adapters or transformers.\u003c\/li\u003e \u003cli\u003eClear procurement path with a specific part number, reducing guesswork and downtime during panel maintenance or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for installation and maintenance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways verify fit by part number and confirm that the EH1040 matches your panel’s requirements and the target circuit’s specifications.\u003c\/li\u003e \u003cli\u003eKeep a small inventory of EH-series breakers for rapid replacements in critical systems.\u003c\/li\u003e \u003cli\u003eIf you need help matching a part number or confirming compatibility, message us and our team will guide you to the right part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416014114978,"sku":"EH1040","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/cutler-hammer-eh1040-40a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}