DC 5V RF Wireless Relay Control Switch 1CH 433MHZ Without Remote
The DC 5V RF Wireless Relay Control Switch 1CH 433MHz is a compact wireless control module designed to remotely switch electrical devices using standard 433MHz RF transmitters. It features a built-in relay capable of controlling AC or DC loads, making it suitable for home automation, industrial control, lighting systems, security devices, and various DIY wireless projects.
Powered from a 5V DC supply, the module receives wireless RF signals and activates the onboard relay accordingly. The relay provides electrical isolation between the control circuitry and the connected load, allowing safe switching of lamps, appliances, motors, and other equipment. Since this version is supplied without a remote transmitter, users can pair it with compatible 433MHz RF remote controls according to their project requirements.
Features:
- Single-channel wireless relay receiver.
- Supports AC DC 5V 433MHz RF communication.
- Compatible with multiple RF transmitters.
- Relay output for switching AC and DC loads.
- Easy learning and pairing function.
- Stable wireless signal reception.
- Compact PCB design.
- Suitable for home automation systems.
- Reliable remote switching operation.
- Low standby power consumption.
- Easy installation and integration.
- Ideal for DIY and industrial control projects.
Specifications:
| Parameter | Value |
|---|---|
| Product Type | RF Wireless Relay Receiver Module |
| Channels | 1 Channel |
| Operating Frequency | 433MHz |
| Supply Voltage | DC 5V RF |
| Relay Output Voltage | 250VAC, 125VAC
30VDC, 28VDC |
| Relay Output Current | 10A |
| Communication Type | RF Wireless |
| Relay Type | Electromagnetic Relay |
| Control Method | Wireless Remote Control |
| Remote Included | No |
| Mounting Type | PCB Mount |
Method of operation:
Momentary:
Press the learning button once, the indicator will flash one time and enter the learning state, and then press the remote control button which you want to leam, the indicator will flash 3 times and go off, the pairing code is completed.
Self-lock(Toggle):
Press the learning button twice, the indicator will flash 2 times and enter the learning state, and then press the remote control button which you want to learn, the indicator will flash 3 times and go off, the pairing code is completed.
Interlock(Latched):
Press the learning button 3 times, the indicator will flash 3 times and enter the learning state, and then press the “A” button, waiting the indicator light to flash 3 times and pressing the B button, and then the indicator will flash 3 times and go off, the pairing code is completed.
Time delay function:
Delay 5S: Press the learning button 4 times, the indicator will flash 4 times and enter the learning state, and then press the remote control button, the indicator will flash 3 times and the learning code is completed.
Delay 10S: Press the learning button 5 times, the indicator will flash 5 times and enter the learning state, and then press the remote control button, the indicator will flash 3 times and the learning code is completed.
Delay 15S: Press the learning button 6 times, the indicator will flash 6 times and enter the learning state, and then press the remote control button, the indicator will flash 3 times and the learning code is completed.
Delay 20S: Press the learning button 7 times, the indicator will flash 7 times and enter the learning state, and then press the remote control button, the indicator wil flash 3 times and the learning code is completed.
Pinout:
| Terminal | Description |
|---|---|
| VCC | 5V DC Power Input |
| GND | Ground Connection |
| COM | Relay Common Terminal |
| NO | Normally Open Relay Contact |
| NC | Normally Closed Relay Contact |
| ANT | Antenna Connection (if available) |
Applications:
- Wireless lighting control.
- Smart home automation.
- Remote appliance switching.
- Industrial automation systems.
- Security and alarm systems.
- Access control systems.
- Wireless power control.
- Pump and motor switching.
- DIY RF control projects.
- Garage and gate automation.
- Energy management systems.
- Remote electrical equipment control.
Package Includes:
- 1x DC 5V RF Wireless Relay Control Switch 1CH 433MHZ Without Remote.
- 1x box.




