
Component
8-Channel Relay
Control high-voltage AC or DC devices using low-voltage signals with this 8-channel relay module. Ideal for Arduino, Raspberry Pi, and home automation projects, it features optocoupler isolation for safety and reliability.
₹427.00
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₹427.00
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About 8-Channel Relay
An 8-channel relay module is an essential interface board that allows microcontrollers like Arduino, Raspberry Pi, or ESP32 to switch high-power electrical circuits. This module typically operates at 5V or 12V DC for the control side and can switch loads up to 10A at 250V AC or 30V DC per channel. Key features include optocoupler isolation which protects your sensitive control electronics from high-voltage spikes, individual LED indicators for each relay status, and a standard interface for easy integration. Common applications include home automation (controlling lights, fans, appliances), industrial control systems, robotics, and smart irrigation systems. Choosing this relay module ensures safe and reliable switching with a high-current capacity, making it a versatile and robust solution for your DIY electronics and automation projects.
Technical Specifications
| Number of Channels | 8 |
|---|---|
| Operating Voltage (Control) | 5V DC or 12V DC (depending on variant) |
| Trigger Current | 15-20mA (Low Level Trigger) |
| Switching Voltage | 250V AC @ 10A, 30V DC @ 10A |
| Relay Type | Electromechanical |
| Isolation | Optocoupler Isolation |
| Indication | LED status for each channel |
| PCB Hole Diameter | 3.1 mm |
| Operating Temperature | -20°C to 70°C |
| Dimensions | Approx. 135mm x 55mm x 18mm (Standard 8-channel board size) |
Alternative Components
4-Channel Relay Module
2-Channel Relay Module
Solid State Relay Module
Single Relay Module









