... protection of AC 380V 50Hz. Fuse Series NT HRC Low Voltage Fuse and BaseNT (NH, RT16) series HRC fuse ... are suitable for the circuit of ac50Hz, rated voltage up to 1140V, rated current up to 1250A. ... .TypeSize (mm)Rated Current (A)Fuse HoldersNT00C78X49X212,4,6,10,16,20,25,32,36,40, ... 50,63,80,100NT00CNT0078X49X28.52,4,6,8,10,20,25,32,36,40 ... and RT16 Fuse Series NT HRC Low Voltage Fuse and Base