vacuum circuit breaker rated voltage from 3.6KV-45KV Vacuum circuit breaker rated voltage:3.6kV to 24kVTechnical dataRated voltage(KV)3.6,7.2,12,241 min power frequency withstand voltage(KV)42,50Lightning impulse withstand voltage(KV)75,125Rated frequency(HZ)50/60Rated current(A)630630160040001250125020005000 16002500 20003150 25004000 3150 Rated short circuit breaking current(KA)20,2531. ...