indoor AC HV load switch is applicable for 50HZ 10 KV power supply net for breaking load current and closing short-circuit current. Load switch with fuse can close and open short-circuit for protection.
Specified CSxx manual operative mechanism or CS6-1 mechanism is used for the switches mentioned above.
Rated voltage 12kV
Rated frequency 50Hz
Rated current 400A 630A
Rated short-time withstand current 12.5/4 20/2 KA/S
Rated crest withstand current 31.5A 50
Rated loop breaking current 400A 630A
Rated active load breaking current 400A 630A
5% rated active load breaking current 20 31.5A
Rated short-circuit making current 31.5kA 50kA
Load current breaking times 100%/20 60%/35
Rated 1min power frequency withstand voltage
Lightning impulse withstand voltage 75/85