... . Features of DW8 single phase power controller: - Multi-function coulo-meter. - Measuring object: voltage, current, power, power consumption, power factor, ... , reactive energy. - Current and voltage ratios set freely. - Up to 3 alarm relays, contact capacity: AC 250V/3A or DC ... case)Ambient temperature0~50 C 35~85% RHWeight450g, G.WWelcome to contact us ! IBEST ELECTRICAL CO.LTD IBEST DW8 Single Phase ...