SmartElex 5V 3A 4 Channel Signal Relay Module
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The SmartElex 5V 3A 4 Channel Signal Relay Module is a compact and reliable 4 Channel Relay Module designed to control four independent medium-power loads with precision. Powered as a 5V relay module, it integrates high-quality JY4100F-S-DC5V-C relays, each capable of switching up to 3A at 120V AC or 24V DC.
With dedicated trigger inputs and LED status indicators for every channel, it allows easy monitoring and accurate switching. This module directly interfaces with popular microcontrollers such as Arduino, ESP8266, and Raspberry Pi, making it ideal for IoT, home automation, and embedded control applications where safety, isolation, and consistent performance are essential.
| Item Type | Relay Module |
|---|---|
| Model | Signal Relay Module |
| No. of Channels | 4 |
| Operating Voltage (VDC) | 5.0V |
| Trigger Voltage (VDC) | 5V |
| Output Current | 3A |
| 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 |
| Contact Resistance | ≤ 100mΩ |
| Relay Max Operating Time | ≤ 10 ms |
| Relay Max Release Time | ≤ 5 ms |
| Insulation Resistance | ≥ 100MΩ (500VDC) |
| Power Consumption | ~0.36W per channel (~1.44W total for 4 channels) |
| Operating Temperature | -40°C to +85°C |
| LED Indicator | Yes |
| Dimensions (L × W × H) | 80 × 40 × 20 mm |
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