... , power, power consumption, power factor, frequency 2. Single phase 1. Features of DW8 single phase power controller: - Multi-function coulo-meter. - Measuring object: voltage, current, power, power consumption, power ... protocol. - Power supply: AC 90~260V 50/60HZ, power consumption<5VA. - Applications: applied in electrical power systems for auto control, e. g.: single/three phase ...