{"product_id":"eaton-cutler-hammer-eb3040l-40a-3p-240v-circuit-breaker","title":"Eaton Cutler-Hammer EB3040L 40A 3P 240V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton Cutler-Hammer EB3040L—a reliable 3-pole, 40-amp, 240-volt circuit breaker designed to safeguard panelboards, load centers, and electrical distribution networks. Built for retrofit work and maintenance planning, this part number stays consistent, helping technicians avoid compatibility headaches when stocking spares or upgrading systems.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eWhy choose EB3040L?\u003c\/b\u003e It’s a genuine Eaton Cutler-Hammer component, engineered to protect multi‑phase circuits with precision and to integrate smoothly into Eaton-based distributions. The 3-pole, 40 A, 240 V rating is perfect for 3‑phase loads common in commercial and light industrial settings, delivering dependable interrupting capacity and predictable trips when faults occur.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eKey specifications at a glance\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 40 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 240 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Circuit Breaker for panelboards, load centers, electrical distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cb\u003eIdeal for\u003c\/b\u003e facilities teams and electrical contractors managing retrofit projects, service upgrades, or inventory with a need for part-number consistency. If you’re replacing an existing Eaton EB3040L or aligning spares across multiple sites, this breaker ensures seamless compatibility with your Eaton ecosystem.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eUse cases and benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRetrofit and maintenance planning where the part number must stay the same to avoid rework or re-labeling.\u003c\/li\u003e\n\u003cli\u003eProtection for three-phase circuits in commercial installations, respecting standard 240 V distribution schemes.\u003c\/li\u003e\n\u003cli\u003eReliable protection against overloads and short circuits, reducing downtime and equipment damage.\u003c\/li\u003e\n\u003cli\u003eStreamlined procurement: available from AmpState to support consistent supply and fit checks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cb\u003eHow it compares to generic options\u003c\/b\u003e In contrast to generic breakers that may vary in fit and trip characteristics, EB3040L is a purpose-built Eaton component designed to match Eaton panelboard architectures. This reduces the risk of misfits, ensures proper mounting and electrical contact, and simplifies future maintenance by preserving the original design language of your distribution system.\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePractical installation and care tips\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify your panelboard or load center is rated for 240 V and compatible with a 3-pole breaker of 40 A rating.\u003c\/li\u003e\n\u003cli\u003eEnsure the trip curve and frame style align with the existing system to maintain protective coordination.\u003c\/li\u003e\n\u003cli\u003eInstall by a qualified electrician following local electrical codes and NEC guidelines; torque terminals per manufacturer specs.\u003c\/li\u003e\n\u003cli\u003eKeep a consistent inventory of EB3040L parts, especially for retrofit programs, to minimize downtime during service windows.\u003c\/li\u003e\n\u003cli\u003eWhen in doubt about compatibility, AmpState offers assistance to confirm fit and ensure the correct part number is used.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the EB3040L, you’re choosing a trusted, OEM-grade solution that supports dependable circuit protection while making retrofit and maintenance work more predictable and efficient. Ideal for engineers, facility managers, and electricians who value long-term reliability and streamlined sourcing in Eaton-powered electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411107958946,"sku":"EB3040L","price":10.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/eaton-cutler-hammer-eb3040l-40a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}