supply of low voltage fuse, european nh knife-blade fuse system (net1,net2 ckt.)fuse of rated current 25 amp , rated voltage ac1000v, rated braking capacity 25ka,pre-arcing value 210, total i2t value 630, operating class-gb, size nh000, standardvde0636-21, siba part no.20 386 03 or equivalent, make siba/ eaton/ mersen/ bussmann orsimilar.