{"product_id":"cutler-hammer-hfd4040vl-40a-4p-circuit-breaker","title":"Cutler-Hammer HFD4040VL Circuit Breaker, 40A, 4-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Cutler-Hammer \u003cstrong\u003eHFD4040VL\u003c\/strong\u003e, a purpose-built circuit breaker designed for demanding industrial electrical service, maintenance, and replacement projects. With a 40 A rating and a 4-pole configuration, it’s engineered to protect modern 3-phase, 4-wire systems with precision and reliability.\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003eHFD4040VL\u003c\/strong\u003e stands out in environments where downtime costs money. Its four-pole design accommodates three-phase circuits with a neutral, enabling coordinated protection across all conductors and simplifying panel wiring in industrial controls and power distribution.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage and poles:\u003c\/strong\u003e 40 A, 4 poles, ideal for industrial loads and motor-driven equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart-number specificity:\u003c\/strong\u003e Use the exact part number (HFD4040VL) to confirm compatibility with your panel and application requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect applicability:\u003c\/strong\u003e Suited for service, maintenance, and replacement projects where consistent protection and quick part matching are critical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility support:\u003c\/strong\u003e If you’re unsure about fit, you can message us for assistance with matching part numbers and verifying compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most: electrical contractors, facility engineers, panel builders, and maintenance teams tasked with keeping industrial floors running smoothly. This breaker slots into compatible Cutler-Hammer panels or enclosures that accept HFD-series devices, delivering reliable protection for feeders, motors, and distribution circuits.\u003c\/p\u003e \u003cp\u003eWhy this matters: choosing the correct 4-pole, 40 A breaker reduces nuisance trips, protects wiring from overload, and supports safe maintenance practices in high-demand environments. The HFD4040VL is a drop-in option when upgrading older hardware or implementing new 3-phase installations that require neutral connectivity.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlways verify fit by part number and check your panel’s documentation to ensure the HFD4040VL is listed as compatible.\u003c\/li\u003e\n\u003cli\u003eKeep the exact model handy during replacement to avoid mismatches in trip characteristics or mounting style.\u003c\/li\u003e\n\u003cli\u003eCoordinate with your electrical team to align the 4-pole breaker with the system’s neutral and grounding scheme for correct operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to secure your industrial electrical system with a trusted name? The Cutler-Hammer HFD4040VL is ready for your service, maintenance, or replacement project—order with confidence and confirm compatibility using the part number as your guide.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46414513537186,"sku":"HFD4040VL","price":14397.0,"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-hfd4040vl-40a-4p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}