8 Channel DIY Relay Module w/Optocoupler Isolation High Low Level Trigger, 501 Original

8 Channel DIY Relay Module with Optocoupler Isolation High and Low Level Trigger Relay BoardFeature:1. The module adopts genuine quality relay, and the maximum load is usually open interface: AC 250V/10A, DC 30V/10A;2. The chip optocoupler isolation is adopted, the driving ability is strong, the performance is stable; the trigger current is 5mA;3. The module can set up high level or low level trigger by jumper.4. Fault tolerant design, even if the control wire is broken, the relay will not act.5. Power indicator (green), relay status indicator (red).6. The interface is designed humanized, and all the interfaces can be directly connected by wiring terminals, which is very convenient.7. There are 4 fixed bolt holes, hole is 3.1mm.Specification:Voltage: 5V, 12VModule size: 141mm*50mm*18mm/5.55*1.96*0.7''Module weight: 114gModule Interface:1.DC+: connect the positive pole of the power supply (voltage according to relay requirement).2.DC-: connect the power negative pole.3.IN: high or low level control relay can be actuation.Relay output terminal:1.NO: the relay often opens the interface, the relay suspends before actuation, and then short connection with the COM after actuation.2.COM: relay common interface.3.NC: the relay is normally closed, the relay is short connected with the COM before actuation.High and low level trigger terminal:1. when the jumper is short with LOW, it is a low level trigger.2. when the jumper is short with high, it is a high level trigger.Note: Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.1 x Relay Module