5pcs 2 Channel Relay Module 12V with Optical Coupler Protection Relay Extended Board

Description Dimensions 50 6 x 38 8 x 19 3mm L x W x H Weight 30gThe board is surrounded by four fixed screw holes with a diameter of 3 1 mm which is convenient for installation and fixing High quality relay single pole double throw One common end one constant beginning one constant closing end Photocoupler isolation good anti interferenceLow level suction high level release The state indicator lights up when sucking in and out when releasing Feature VCC is the system power supply and JD VCC is the relay power supply Default 5V relay insert jumper cap Maximum output of relay DC 30V 10A AC 250V 10AWiring instructions VCC Positive Pole of System Power SupplyGND Negative Electrode of System Power SupplyIN1 IN2 Relay control port Package Included 5 x 2 Channel 12V Relay Module