1. Product name: ZW20A-12/17.5/24 model outdoor AC vacuum circuit breaker
2. Rated voltage 12/17.5/24kV
3. Three-phase AC 50HZ
7. ZW20A-12/17.5/24 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in12/17.5/24kV, 50/60Hz power system. It is applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with fre quen t operation and automatic power distribution network. It accords with the standards of IEC62271-100 & GB1984: AC high voltage circuit breaker, IEC60694 & G B/T11022: HV General technical requiremen t of switch and control apparatus.