The NON-10 is a 10A basic protection General Purpose Fuse protects lighting, heating and other circuits not subject to temporary surges and where available short-circuit currents are relatively low. NON one-time fuse do not have any appreciable degree of time delay and thus should not be specified in circuits where large transients or motor overloads occur. Use Bussmann advanced protection FUSETRON™ FRN-R or ultimate protection Low-Peak™ LPN-RK dual-element, time-delay fuses.