Attention Hubbell-Wiegmann Enclosure Customers: The order deadline for same-day shipment of LTL (freight) orders direct-shipped from Hubbell-Wiegmann in Freeburg, IL has temporarily changed to 3:00 pm ET. The order deadline for same-day shipment of all other direct-shipped products, including small parcel orders from Hubbell-Wiegmann, will remain at 4:00 pm ET. We appreciate your patience as we work with our vendors to get this freight shipped order deadline restored to its original time.
Reviews for UL 489 Rated Molded Case Circuit Breakers (MCCB)
Molded case circuit breakers provide branch or feeder circuit protection against overload or short circuits, employing thermal magnetic trip units sensing both temperature and current to operate the breaker. Available in a variety of frame sizes for 3-pole configurations, UL489-rated MCCB components are available with amperage capacities up to 800A.