HiLetgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High or Low Level Trigger

12V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger Description 1. normally open interfaces Maximum load : AC 250V/10A, DC 30V/10A 2. Using SMD OPTOCOUPLER isolation, the trigger current only 5mA 3. The module have 5V, 9V, 12V and 24V are available 4. The module can be set to high or low triggered by jumper 5. Fault-tolerant design, even if the control line is broken, the relay will maintain; 6. Has the power indicator (green) and relay status indicator (red) 7. Size: 50*26*18.5mm 8. Has four mounting bolts holes, hole 3.1mm, 44.5*20.5mm pitch Interface: Input: VCC: Relay power supply + GND: Relay power supply – IN: Signal trigger input (High or Low Level Signal, select via jumper) Output: NO: Relay normally open. COM: Relay Common Pin NC: Relay normally closed.