Module parameters:

• Size: 75mm (length) * 55mm (W) * 19.3mm (height)
• Weight: 61g
• PCB Color: Blue
• board four weeks with four screw holes, hole diameter 3.1mm, easy to install and fixed
• Relay selection of quality loose music relays, SPDT. A common terminal, a normally open, one normally closed terminal
• optocoupler isolation, good anti-jamming
• low pull, high release. Energisation status indicator light, release status LED is off
• VCC for the system power, JD_VCC for the relay power. Default hair 5V relay, plug the jumper cap to
• Relay Maximum output: DC 30V/10A, AC 250V/10A

Wiring:

1. VCC: positive power supply system
2. GND: System power supply negative
3. IN1 - IN4: relay control ports

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