Cylindrical fuse holder capable of working under heat caused by rated current and expected short impacting current up to 100KA. It can also function as a fuse disconnecting switch by multi-phase combination. There're two in/out lines at the RT18NN fuse base, providing a power cut fuction . The RT18L type has a safety lock to lock the fuse carrier when disconnected to avoid wrong operation. It can also be equiped with an indicator, which goes on when the fuse link breaks. rate voltage up to 690V;

working frequency 50HZ AC;

confirm with IEC60269 , GB13539