... design, manufacture, use department ideal choice.Technical parameters:1, In power grid voltage variation of plus or minus 10% of the ... the rated frequency range devices can work normally.2, reverse power relay power supply:50 hz, 100 v / 60 hz AC ... 15% (adjustable) delay 3-10Seconds (adjustable), reverse power relay action.4, reverse power relay load capacity:10A 240V AC200MA , 250V DC resistance (load ...