AC 220V±10%, 50Hz±0.5 power supply with capacity of more than 2500VA is required, and the power source should not contain a strong noise.
The ground wire of GC2010D should be connectedto the exclusive ground peg. The peg terminal should beconnected with copper net and buried into the wet soil by one meter deep, which make the voltage betweethe zero line of power supply and the ground wire be zero.
For other power supplies, please contact us when ordering.