ITEM NAME:DC 5V One Way Relay Opto-Insulator High Low Level Trigger PLC Board Module Product Description Description: Features: Open port max load: AC 250V 10A, DC 30V 10A. Plate type opto-insulator, 5mA trigger current. 5/12/24V Work voltage. High/low level trigger setting. With power and relay status indicator light. All ports can be directly connected with cable. With 4 screw holes. Specification: Work Voltage: DC 5V Work Current: 0.1A Net Weight: approx. 17 g Size: approx. 44 X 25 X 16 mm/1.73 X 0.98 X 0.63 in Module Port: DC+: to positive power. (5/12/24V for your choice) DC-: to negative power IN: to high/low relay Relay Output: NO: normally open port COM: common port NC: normally closed port Included: 1 X Module.Plate type opto-insulator, 5mA trigger current. High/low level trigger setting. With power and relay status indicator light. Open port max load: AC 250V 10A, DC 30V 10A. IN: to high/low relay. Relay Output.