... GW4-12(17.5/40.4) series outdoor
ac high-voltage disconnecting
switch conforms GB1985-89, IEC129(1984) and IEC694( ... 1980). GW4-12(17.5/40.4) series outdoor
ac high ... II levelThis series of disconnecting
switch meet GB1985-89<
AC high-voltage disconnecting
switch> IEC129(1984)<
AC disconnecting
switch earthed
switch> and IEC694(1980)