China CJB20-1250/3T, CJB20-1250/4T, CJB20-1250/M 12kV, 24kV 1250A Outside Cone Screened Bus Bar System up to 24kV (Interface C), Find details about China Bus Bar Connector, Switchgear from CJB20-1250/3T, CJB20-1250/4T, CJB20-1250/M 12kV, 24kV 1250A Outside Cone Screened Bus Bar System up to 24kV (Interface C)
Test Item | Test value |
AC voltage withstand | 54kV, 5min |
AC voltage withstand | 65kV, 1min |
Partial discharge | 20kV, ≤5pC |
Thundering impulse voltage withstand at 10 positive and 10 negative | 125kV |
Thermal short-circuit | 31.5kA, 4s |
Dynamic short-circuit | 80kA |