4 Channel Relay Module with Optocoupler
KSh 500.00
4-channel optocoupler-isolated relay module for switching four lights or appliances from Arduino or Raspberry Pi.
In stock
This 4-channel 5V relay module with optocouplers lets an Arduino, ESP32, Raspberry Pi or PLC switch four separate AC or DC loads such as lights, pumps and fans. Optocouplers keep the control side isolated from the load side for safety.
Key features
- 4 independent relays, each with COM, NO and NC contacts
- Optocoupler isolation on every channel
- LED indicator for each relay
- JD-VCC jumper for a separate relay supply (typical)
Specifications
| Channels | 4 |
|---|---|
| Coil voltage | 5V DC |
| Contact rating | 10A 250V AC / 10A 30V DC (typical) |
Typical uses
- Home automation
- Switching pumps, fans and lights
- Irrigation and greenhouse control
Tip: Many of these modules are active LOW: the relay switches on when the input pin is LOW. Take great care when wiring mains voltage.
Buying in Kenya: Buy online at Bluepack Nova and get it delivered across Kenya.
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