1- Bussmann FRN-R-400 (FRNR-400, BP/FRN-R-400) 400 Amp (400A) 250V Fusetron Dual Element Time-Delay Current Limiting Class RK5 Fuse, UL Listed, 1- Bussmann FRN-R-400 (FRNR-400, BP/FRN-R-400) 400 Amp (400A) 250V Fusetron Dual Element Time-Delay Current Limiting Class RK5 Fuse, UL Listed,