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Single 5V Relay Board Module
A single-channel relay card module with COM/NC/NO contacts, controlled from microcontroller boards via 5V TTL level. It offers easy use without cable clutter or soldering, and can be used in hobby, industrial, and robotics projects for single lamps, single motors, or applications requiring high voltage/current.
Technical Specifications
| Feature | Value |
|---|---|
| Number of channels | 1 channel |
| Control voltage | 5V TTL level |
| Coil drive current | 20mA |
| Maximum switching voltage | 250VAC 30VDC |
| Switching capacity (resistive load) | 7A 28VDC; 10A 125VAC; 7A 240VAC |
| Switching capacity (inductive load, cosφ=0.4) | 3A 120VAC; 3A 28VDC |
| Contact resistance | 100mΩ |
| Operate time | 10ms maximum |
| Release time | 5ms maximum |
| Maximum ON/OFF switching | 30 times per minute (electrical) |
| Expected life | 100,000 cycles (electrical) |
| Operating temperature | -25°C ~ 70°C |
| Connection terminals | COM (common terminal), NC (normally closed), NO (normally open) |
| Status indicator | Relay control LEDs; indicate conducting and cut-off status via LED |
| Compatibility | Easily used with Arduino boards and boards featuring PIC, ARM, or MSP430 MCUs |
| Housing structure | Designed to withstand chemical environments or high temperatures |
Package Contents
- 1 x 5V 1 Channel Relay Card
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