Littelfuse Fuse Class RK1 40A LLSRK Series LSRK040 600VAC/300VDC

"Littelfuse Powr-Gard POWR-PRO 40 Amps Dual element class RK1 fuse includes indicating window that immediately identifies the open fuse. It features patented Indicator technology that provides instant identification of a blown fuse greatly enhancing system up time, while the precision formed short circuit elements virtually eliminate damage to components from unexpected electrical faults. It measures 1 1/16 Inch diameter x 5 1/2 Inch. The 600-Volts fuse offers superior time delay and cycling char".