China 40.5kv Mv Compact Sf6 Gas Insulated Switchgear Ring Main Unit, Find details about China Switchgear, Ring Main Unit from 40.5kv Mv Compact Sf6 Gas Insulated Switchgear Ring Main Unit
No | Item | Unit | Data | |
1 | Rated voltage | kV | 24/36 | |
2 | Power Frequency withstand voltage | Dry | 60/70/80/95 | |
Wet | ||||
Lightning Impulse withstand Voltage (peak value) | 125/150/170/185/200 | |||
3 | Rated Current | A | 630/1250/2500 | |
4 | Rated short circuit breaking current (peak) | kA | 20/25(V) 31.5(F) | |
5 | Rated closed-loop breaking current | A | 630/1250(C) | |
6 | Rated cable charging interrupting current | A | 50(C) | |
7 | Rated line cable charging interrupting current | A | 10(C) | |
Rated off circuit transformer breaking current | A | 16 | ||
8 | Rated making current (peak) | kA | 50(63/80)/2.5(main switch/grounding) | |
9 | Rated withstand current (peak) | |||
10 | Rated short time withstand current | 16/20/25/31.5 | ||
11 | Rated short time withstand time | S | 3/4 | |
12 | Mechanical life | times | C/F(2000)V(10,000) | |
13 | Main busbar | A | 630/1250/2000/2500 |