rectifier module
Relays
1 the main circuit voltage:220VAC
2 the input DC power supply: 12VDC (10W)
3 Power regulator adjustment range: 0-220V
4 a regulating potentiometer potentiometer: 10K
5 the input control: 1~5VDC 1-10VAC 4-20mA
6 the environment temperature: -10~45