China Fn5-12 AC Hv Indoor Load Switch, Find details about China High Voltage AC Vacuum Load Switch, 12kv AC Vacuum Load Break Switch from Fn5-12 AC Hv Indoor Load Switch
Rated Voltage | 12KV |
Rated Current | 400A,630A |
Rate Frequecy | 50Hz |
Power frequency withstand voltage(1min) | arc extinguishing chamber fracture: 30KV phase, to earth: 42KV; isolation fracture: 48KV |
lightning impluse withstand voltage(peak) | Vacuum arc-extinguishing chamber fracture: 60KV phase, to earth: 75KV; fracture: 85KV |
Rated short-time withstand current(Moving reliable current) | 20KA |
Rated short-circuit duration | 4s |
Rated peak withstand current(Moving reliable current) | 50KA |
5% rated active power breaking current | 31.5A |
Rated cable charging current | 10A |
Rated active power load breaking current | 630A |
Rated close-loop breaking current | 630A |
Rated cable breaking no-load transformer capacity | 1600kVA |
Rated short-circuit clsoing current | 50kA |
Earthing switch rated short-time withstand current(thermal reliable current) | 20kA |
Earthing switch rated short-circuit duration | 2s |
Earthing switch thermal reliable current | 20kA |
Earthing switch rated peak withstand current(Moving reliable current) | 50kA |
Auxiliary circle rated voltage | AC,DC 220V/110V |
Mechanism life | 10000 times |
Rated active power load current breaking times | >100 times |
Vacuum extingushing chamber conact admitted wearing thickness | 2mm |
Breaking and closing operation moment | 90(180) N.m, 100(200) N.m |