... protection, breaker control, emergency lighting power supply and battery charger.2. Specifications:A) Supply voltage: 380VAC± 15%(3 phases ... battery monitoring)C) High reliability, long life, maintenance-free4. System Configuration:A) Charger: DCS800, ABB Thyristor Power Converter (German ABB ... , monitoring devices for battery and insulation. CE Approved High Voltage DC Power Supply (DCB500)