{"product_id":"fb3040","title":"Westhinghouse FB3040 - 40A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Westhinghouse FB3040 is a sturdy 40A, 3-Pole circuit breaker engineered for demanding electrical environments. Designed to deliver dependable overcurrent protection, it suits industrial, commercial, and OEM applications where safe, reliable operation in distribution panels and motor control centers is non‑negotiable.\u003c\/p\u003e \u003ch3\u003eWhy the FB3040 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole design for 3‑phase systems:\u003c\/strong\u003e Protects all three lines in a three‑phase circuit, ensuring balanced protection and coordinated tripping when faults occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40‑amp rating:\u003c\/strong\u003e Perfect for mid‑sized motor loads, feeders, and distribution circuits where precise current limiting is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile mounting for panel environments:\u003c\/strong\u003e Optimized for panelboards, switchboards, and control panels, making it a flexible choice for retrofit or new builds.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial‑grade reliability:\u003c\/strong\u003e Built to perform in environments where dependable protection and safe operation are critical.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-friendly option:\u003c\/strong\u003e Suitable for original equipment manufacturers seeking a trusted, high‑performing protection device.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cp\u003eUse the FB3040 in distribution panels and motor control centers where three‑phase power is standard. It’s well suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial machinery drives and conveyors requiring balanced protection across all phases\u003c\/li\u003e \u003cli\u003eCommercial power distribution feeders in mechanical rooms and service bays\u003c\/li\u003e \u003cli\u003eOEM equipment panels where a compact, reliable 40A trip device is needed\u003c\/li\u003e \u003cli\u003eControl panels that manage multi‑phase circuits for pumps, fans, and processing equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat this means for you\u003c\/h3\u003e\n\u003cp\u003eChoosing the FB3040 translates to fewer fault events, faster isolation of problems, and minimized risk to downstream equipment. The three‑pole configuration delivers synchronized protection across all phases, helping prevent phase imbalances that can lead to motor overheating or wiring damage. In daily operation, you’ll benefit from straightforward maintenance, predictable performance, and compatibility with standard panel architectures.\u003c\/p\u003e \u003ch3\u003ePractical guidance for deployment\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify your system is a three‑phase setup and that a 40A protection level aligns with your load calculations.\u003c\/li\u003e \u003cli\u003eInstall in panelboards, switchboards, or control panels where a compact, integrated overcurrent device fits the space and wiring layout.\u003c\/li\u003e \u003cli\u003eConsult your electrical schematic to ensure proper alignment with feeder circuits and motor control logic.\u003c\/li\u003e \u003cli\u003eRegularly inspect mounting, terminal connections, and surrounding enclosure conditions to maintain reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westhinghouse","offers":[{"title":"Default","offer_id":46391091953826,"sku":"FB3040","price":646.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_bcd1df89-2470-4f1b-87d0-fef6a22e57fb.png?v=1765382045","url":"https:\/\/www.ampstate.com\/products\/fb3040","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}