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SKU:4CH-RELAY-5V
4 Channel Relay Module 5V — Arduino Compatible
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Rs.375.00
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Rs.375.00
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4 Channel Relay Module 5V — Quad Channel Relay Board
The 4 Channel Relay Module 5V allows you to independently control four high-voltage AC or DC loads from a single microcontroller. Whether you're building a smart home controller, an automated greenhouse, or an industrial control system, this module gives you four independently switchable SPDT relays in one compact board.
Technical Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Control Voltage | 5V DC |
| Trigger Logic | Active LOW (default) |
| Relay Type | SPDT (Single Pole Double Throw) |
| Max AC Load | 250V AC / 10A per channel |
| Max DC Load | 30V DC / 10A per channel |
| Isolation | Optocoupler isolated input |
| Indicator LEDs | Yes (power + status per channel) |
| PCB Size | ~75mm x 55mm |
| Operating Temperature | -40°C to +85°C |
Key Features
- 4 independent SPDT relay channels
- Optocoupler isolated — full protection for your microcontroller
- Active LOW trigger — works with Arduino, ESP32, NodeMCU, Raspberry Pi
- Individual status LED per channel
- Screw terminals for easy load wiring on each channel
Pin Configuration
Control header: VCC (5V), GND, IN1, IN2, IN3, IN4. Each channel has screw terminals: COM, NO (Normally Open), NC (Normally Closed).
Applications
- Smart home automation — control 4 appliances simultaneously
- Automated greenhouse (lights, fans, pumps, heaters)
- Industrial 4-output control systems
- Multi-zone irrigation systems