5V 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. High or Low Level Trigger Select: 1. Use High Level Trigger When ¡°IN¡± input High Level Signal the ¡°NO¡± connect with ¡±COM¡± When ¡°IN¡± input Low Level Signal the ¡°NC¡± connect with ¡°COM¡± 2. Use Low Level Trigger When ¡°IN¡± input Low Level Signal the ¡°NO¡± connect with ¡±COM¡± When ¡°IN¡± input High Level Signal the ¡°NC¡± connect with ¡°COM¡± 3. High or Low Level Trigger Select Jumper connect with L Low Level Trigger Jumper connect with H High Level Trigger 0

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