Module parameters:

1. Size: 50.5mm (length) * 38.5mm (width) * 18.5 (height)

2. Weight: 31g

3.PCB color: black

4 board around with four fixed screw holes, hole diameter 3.1mm, easy to install and fixed

5. Relay selection of high-quality pine-relay, single-pole double-throw. A common terminal, a normally open terminal, and a normally closed terminal

6. Optocoupler isolation, good anti-jamming

7. Low-level pull-high release. When the status indicator is on, the status indicator is off when released

8. VCC for the system power supply, JD_VCC for the relay power. Plug in the jumper cap

Electrical parameters:
Supply voltage: 5VDC
Current: greater than 100mA
Load: 250V 10A AC or 30V 10A DC


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• Relay contact capacity 250V10A. Relay output normally open, normally closed;
• active low. 5V relay signal input voltage range :0-5V
• VCC system power. JD-VCC relay power. Default 5V relay. JD-VCC and VCC shorted.