4 Channel Relay Module 5V with optocoupler

4 Channel Relay Module 5V with  optocoupler

4 Channel Relay Module  Pin Description

Input:

VCC: Positive supply voltage
GND: Ground
IN1–IN4: Relay control port

Output:

Connect a load, DC 30V/10A，AC 250V/10A

Features：

• Size: 75mm (Length) * 55mm (Width) * 19.3mm (Height)
• Weight: 61g
• PCB Color: Blue
• There are four fixed screw holes at each corner of the board, easy for install and fix. The diameter of the hole is 3.1mm
• High quality Songle relay is used with single pole double throw, a common terminal, a normally open terminal, and a normally closed terminal
• Optical coupling isolation, good anti-interference.
• Closed at low level with indicator on, released at high level with indicator off
• VCC is system power source, and JD_VCC is relay power source. Ship 5V relay by default. Plug jumper cap to use
• The maximum output of the relay: DC 30V/10A, AC 250V/10A