{"product_id":"eaton-ehb3040s-circuit-breaker","title":"Eaton | EHB3040S | Circuit Breaker | 40A | 3-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton EHB3040S, a dedicated 40A, 3-pole, 480V bolt-on circuit breaker built to protect and control three-phase power in demanding industrial environments. Whether you're performing maintenance, retrofitting an existing panel, or replacing a worn-out unit, this breaker is designed to drop into compatible Eaton panels with minimal effort and maximum reliability.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference\u003c\/strong\u003e: Part number EHB3040S is the best compatibility reference\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRobust bolt-on mounting delivers a secure, vibration-resistant connection suited for industrial panels and retrofit installations.\u003c\/li\u003e \u003cli\u003ePrecisely sized for 3-phase, 480V circuits, protecting motors, drives, and feeders without unnecessary oversizing.\u003c\/li\u003e \u003cli\u003eEngineered for maintenance and replacement scenarios—swap in quickly to minimize downtime.\u003c\/li\u003e \u003cli\u003ePart-number precision (EHB3040S) reduces guesswork when sourcing compatible components for your system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial manufacturing lines powered by 480V three-phase systems requiring reliable protection.\u003c\/li\u003e \u003cli\u003eData centers or process facilities that rely on robust motor protection and power distribution solutions.\u003c\/li\u003e \u003cli\u003e Retrofit projects replacing aging bolt-on breakers in existing Eaton panels to restore performance and safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eImportant compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your panel. The EHB3040S part number is the best reference for compatibility, ensuring you receive the correct mounting pattern and protection characteristics for your installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427095859362,"sku":"EHB3040S","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-ehb3040s-circuit-breaker-40a-3-pole-480v-bolt-749.webp?v=1789672175","url":"https:\/\/www.ampstate.com\/products\/eaton-ehb3040s-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}