China Electricity Compact Kiosk Power Distribution Transformer Substation 500kVA 630kVA 700kVA 800kVA 11kv 15kv 33kv, Find details about China Ring Main Unit, Switchgear from Electricity Compact Kiosk Power Distribution Transformer Substation 500kVA 630kVA 700kVA 800kVA 11kv 15kv 33kv
Rated voltage | 12kV | 17,5kV | 24kV |
Frequency | 50 or 60 Hz | ||
Insulation level | |||
Industrial frequency 50Hz 1 min. insulation Ud (kv rms) | 28 | 38 | 50 |
isolation Ud (kv rms) | 32 | 45 | 60 |
Impulse 1.2/50us insulation Ud (kv rms) | 75 | 95 | 125 |
isolation Ud (kv rms) | 85 | 110 | 145 |
Tank interal arc withstand | 20kA 1s |