... voltage: 6V, 12V, 24V, 110V – AC/DC; 20V, 380V, 440V/AC Main technical parameters ·power frequency withstand voltage: 2.5 KV (ac ... effective),1min·insulation resistance ≥ 2MΩ·ac lamp allows voltage ... in producing and exporting low voltage electricity, including ac contactor, air pressure switch, magnetic ...