ITEM NAME:12VDC 20A 250VAC 1 Channel G4A-1A-PE OMRON Solid State Relay Module For Ard W2Y4 12VDC 20A 250VAC 1 Channel G4A-1A-PE OMRON Solid State Relay Module For Ard W2Y4 This product uses Omron small power relay, you can control high-power electronic equipment, such as refrigerators, air.Using low-level drive, simple and convenient. When the low-level driving, the indicator shows relay pull. Can achieve power-on 80A, power-on, cut-off 20A motor load opening and closing. Using resistant welding flux construction.