3SDB-1distribution system is suitable control of modern
building such as large office mansion,hotel,commerce
departement,industrial and mining enterprises and so
on.AC 50/60 Hz,rated voltage up to AC 660V,rated current
up to 125A.It can short and frequent switch on/off under
noral operating condition.It is one of the most reliable
general distribution system in the world,there are 9
lines 18lines available.