4-channel relay output modules, relay output contacts 250A 10A. Input IN1, IN2, IN3, IN4, the signal line LOW effective. VCC, GND power input, can relay a separate power supply relay power input of JD-VCC.

Uses:

• support all MCU control.
• the industrial sector
• PLC control
• smart home control

Module parameters:

1. Size: 75mm (length) x 55mm (W) x 19.3mm (height);
2. Weight: 58g;
3. PCB Color: Blue;
4. board four weeks with four screw holes, hole diameter 3.1mm, easy to install and fixed;
5. Relay selection of quality loose music relays, SPDT. A common terminal, a normally open, one normally closed terminal;
6. optocoupler isolation, good anti-jamming;
7. Low pull, high release. Energisation status indicator light, release status LED is off;
8. VCC for the system power, JD_VCC for the relay power. Default hair 5V relay, plug the jumper cap to;
9. Relay Maximum output: DC 30V/10A, AC 250V/10A
10. Wiring: VCC: positive power supply system GND: System power supply negative IN1 – IN4: relay control ports

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