NON-100 Features: -Fuse. -Protect lighting, heating and other circuits not subject to temporary surges and where available short circuit currents are relatively low. -One time fuses do not have any appreciable degree of time delay and thus should not be specified in circuits where transients or motor overloads occur. Specifications: -250 Volts. -100 Amps. -Overall dimensions: 0.56" W x 2" D.