Optocoupler Isolation 5V Low-level Trigger 1 Channel Relay Module PLC Control Drive Board Dropship

High-concerned chemical : None Type : Voltage Regulator Origin : Mainland China Condition : New High-concerned chemical : None Type : Voltage Regulator Brand Name : RQG Origin : Mainland China Condition : New DC+ : connect to the positive pole of the power supply DC- : connect to the negative pole of the power supply IN : low level control relay pull-in NO : relay normally open interface COM. : relay common interface NC : relay normally closed interface