Description
Control your appliances wirelessly with this compact 220V AC relay switch module, featuring a 315MHz remote control and built-in antenna. Designed for seamless integration into automation systems, it offers reliable switching of electrical devices up to 250V/5A using a single-button remote.
This compact 220V Wireless Relay Switch Module with a 315MHz single-button remote control is ideal for remote switching of AC-powered appliances. The module features a high-quality relay (rated 250V AC / 5A), built-in signal antenna for extended range, and screw terminal blocks for easy wiring. The included remote controller allows simple ON/OFF toggle operation, making it a perfect fit for smart home automation, DIY electronics, and industrial applications.
Whether you're automating lights, fans, or security systems, this module offers a reliable and straightforward solution with long-range wireless control and robust relay performance.
Specifications
| Parameter | 
Details | 
| Model | 
RK01SD-220ML | 
| Input Voltage | 
220V AC | 
| Relay Output | 
1 Channel, Up to 250V AC / 5A | 
| Relay Type | 
YONGWEI XY3F-112DZ-1B | 
| Coil Voltage | 
12V DC | 
| Remote Control | 
315MHz, 1-button, includes antenna | 
| Control Mode | 
Toggle ON/OFF (Press once = ON, press again = OFF) | 
| Wireless Range | 
Up to 20–50 meters (open space) | 
| Antenna Type | 
Coil Antenna (soldered to module) | 
| Indicator | 
On-board LED for relay status (if included) | 
| Dimensions | 
Approx. 60mm x 40mm x 18mm (module only) | 
| Applications | 
Lights, Fans, Door Control, Smart Home Systems | 
| Mounting | 
Through-hole or free placement |