1.Three-phase Full-automatic Voltage Regulator For Underwater TV Equipment; 2.Input voltage:280-460V; 3.Output voltage ... . 1.Three-phase Full-automatic Voltage Regulator For Underwater TV Equipment;2.Input voltage:260-430V;280V-460V3.Output ... %4.CE passed5.Application range:Television equipment,Medical device,Air-conditioner,Lighting equipment,Communication apparatus,Testing device,Computer,Duplicating ...