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The SmartElex 5V, 3A 4-Ch Signal Relay Module by SmartElex is a value-for-money smartelex relay modules designed for everyday users. It features Item Type: Relay Module and Model No. / Name: Signal Relay Module.
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About This Product
The SmartElex 5V, 3A 4-Ch Signal Relay Module by SmartElex is a value-for-money smartelex relay modules designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Item Type: Relay Module
- Model No. / Name: Signal Relay Module
- No. of Channels: 4
- Operating Voltage (VDC): 5.0 — works with standard household power
- Trigger Voltage (VDC): 5 — works with standard household power
- Output Current (A): 3
- Output Power: Up to 360W per channel at 120V AC, Up to 72W per channel at 24V DC
- Contact Rating: 3A at 120V AC, 3A at 24V DC
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The SmartElex 5V, 3A 4-Channel Signal Relay Module is a robust and compact solution for managing four independent medium-power loads. Each of the four channels is powered by a reliable JY4100F-S-DC5V-C relay, capable of switching up to 3A at 120V AC or 24V DC. Ideal for use in IoT, automation, and embedded systems, the module supports direct interfacing with microcontrollers like Arduino, ESP8266, and Raspberry Pi. It features individual trigger inputs and LED indicators per channel, ensuring precise control and easy status monitoring. Designed for durability and safe operation, it offers high isolation and reliable performance in demanding applications.
Features:
- 4-channel relay module for independent control of four devices.
- Operates at 5V DC with active LOW/HIGH trigger.
- Each relay supports up to 3A at 120V AC or 24V DC.
- Compatible with Arduino, ESP8266, Raspberry Pi, and more.
- Individual LED indicators for each channel.
- Fast switching with ≤10 ms operate and ≤5 ms release time.
- Low contact resistance (≤100 mΩ) for efficient operation.
- Total power consumption of ~1.44W across 4 channels.
- High insulation resistance and dielectric strength for safety.
- Wide operating temperature range (-40°C to +85°C)
Applications:
- Home automation (e.g., controlling lights, fans, locks)
- Industrial machine control
- IoT multi-device projects
- Robotics and motor control
- Security systems and alarms
Cautions:
- Always use a proper 5V regulated power supply.
- Avoid exceeding the rated load specifications.
- Provide appropriate isolation for AC loads.
- Keep the module in a dry, clean environment
Package Includes:
1 x SmartElex 5V, 3A 4-Ch Signal Relay Module.
