... as a relay protection, breaker control, emergency lighting power supply and battery charger.2. Specifications:A) Supply voltage: 380VAC± 15 ... acid battery, nickel-cadmium battery, etc.C) DC feeder: DC circuit breaker (ABB, Siemens, etc).D) Central monitor: Siemens or Mitsubishi ... machine interface, monitoring devices for battery and insulation. CE Approved High Voltage DC Power Supply (DCB500)