Fuse, 45 A, 250V AC, 125V DC, Class K5, NON Series, Fast Acting, Body Style Cylindrical, Nonrejection, Interrupt Rating 50kA at 125V DC, 50kA at 250V AC, Fuse Size 3 in L x 13/16 in dia, Length 3 in, Diameter 13/16 in, Equivalent Brand and Series Bussmann NON, Littelfuse NLN, Mersen OT, Equivalent Series NLN, NON, OT, Compatible Fuse Block Series 2HKRFB, H250, HM250, HM600, No, Body Material Melamine, Single Element
One-time general purpose non-current limiting fuse used in lighting circuits, main panel protection, and other circuits that don't contain large electric motors or inductive loads. One to 60 amp fuses UL Listed Class K5 (IR: 50kA). 70 to 600 amp fuses UL Class H (IR: 10kA). Cartridge fuses are used to protect motors and branch circuits where higher amps or volt ratings are required. They are available in a wide variety of sizes, amp and volt ratings up to 600Vac and 600 amps. Cartridge fuses are used extensively in commercial, industrial and agricultural applications as well as residential fuse panels, air conditioning, pumps, appliances and other equipment. Cartridge fuses are available in two types. General Purpose fuses have no time-delay and protect fuse panels, appliances and branch circuits. Heavy- Duty fuses have a time-delay feature, allowing momentary motor startups. Both are available in 250Vac and 600Vac versions with catalog symbol and amp rating stamped on the knife blade or end cap.