Bussmann FRN-R-45 Fuse, 45 A, 250 VAC, 125 VDC, 20, 200 kA Interrupt, Fiberglass Body, K, Low Voltage, Time Delay FuseProvides motor overload, ground fault and short circuit protection. Helps protect motors against burnout from overloads and single phasing on three phase systems. Will hold an overload which is five times greater than the ampere rating of the fuse for a minimum of ten seconds. 250 V maximum. UL listed, CSA Certified. Unit: EA UPC: 051712101790 Model Number: FRN R 45