HR3 fuse type isolating switch

Hr3 fuse type disconnector is suitable for short circuit protection and overload protection of cables and conductors in distribution system with AC 50 Hz, 380 V and rated current up to 1000 a. Under normal conditions, it can be used to manually turn on and turn off normal load current and overload current infrequently. Under short circuit conditions, it can be turned off by fuse.