China Sf6 Fully Gas Insulated Compact Electric Switchgear (GIS) Ring Main Unit (RMU) for Medium Voltage for Midget Plant, Find details about China Power Supply, Transformer from Sf6 Fully Gas Insulated Compact Electric Switchgear (GIS) Ring Main Unit (RMU) for Medium Voltage for Midget Plant
10kv technical specification | C module | F module | V module | CB module | ||
Load break switch | Switch fuse | Vacuum circuit breaker | Isolate/ earthing switch | Vacuum circuit breaker | Isolate/ earthing switch | |
Rated voltage | 12 | 12 | 24 | 24 | 24 | 24 |
Power frequence withstand voltage KV | 42/48 | 42/48 | 42/48 | 42/48 | 42/48 | 42/48 |
Impulse withstand voltage KV | 75/85 | 75/85 | 75/85 | 75/85 | 75/85 | 75/85 |
Rated current A | 630 | 125 | 630/1250 | 630/1250 | ||
Closed loop A | 630 | |||||
Off load cable charging A | 10 | |||||
Rated active load drop-oput current A | 630 | 630 | ||||
Earth fault breaking current A | 30 | 25 | ||||
When earth fault frop-out current of cable charging A | 17.4 | |||||
Short circuit drop-out current KA | 31.5 | 25 | ||||
Making capacity KA | 50 | note | 63 | 63 | 63 | 63 |
Short time current 4s KA | 20 | 20 | 25 | 20/25 | 20/25 | 20/25 |
Transfer current A | 1750 | |||||
Mechanical life times | 5000 | 5000 | 10000 | 3000 | 10000 | 3000 |