M switch
Self-powered Wireless Switch System
A waterproof wireless switch you simply attach, with no wall work or batteries
The self-powered wireless switch sends a signal from the force of a press to turn on and off lights and electrical devices connected to an AC or DC receiver. Being dust- and waterproof, it can be attached anywhere, indoors or outdoors.
- PowerSelf-powered (no battery)
- Dust · water protectionIP57
- Transmission rangeapprox. 100 m (open field)
- Durability100,000-cycle operation test
- RegistrationUp to 10 switches per receiver
01How it works
- Switch pressed
The moment it is pressed, a magnet moves past the coil wound on a bobbin and generates electricity.
- RF signal transmission
A unique ID signal is sent up to approx. 100 m (open field).
- Receiver ON/OFF
The AC receiver controls lights and AC devices; the DC receiver controls LED lights and DC devices.
02Features
With no batteries or wiring, there is no wall work or battery replacement.
Also used in outdoor common facilities and machine rooms of apartment complexes.
100,000 presses and RF signal transmission/reception verified.
Switches are registered with the registration button; registering a new one automatically deletes the existing switch.
The AC · DC receivers' built-in relay mode lets you control switches far away.
We can build the self-powered module into switch designs created by the customer.
03System configuration
Self-powered Wireless SwitchMWST-120
AC receiverMRAC-500Ranges are based on open field with no obstacles. Each added repeater extends the range by approx. 1 km.
AC receiver rated load up to 1,000 W (600 W recommended). Connecting DC devices to the DC receiver requires an additional controller, and LED lights require a converter.
04Specifications
Self-powered Wireless Switch
Model MWST-120
| Size | W84 × D84 × H15 mm |
|---|---|
| Weight | 35 g |
| Frequency | 920.700 MHz (FSK) |
| Antenna | Internal antenna |
| Transmission range | approx. 100 m (open field) |
| Power | Self-powered (no battery) |
| Dust · water protection | IP57 |
| Durability | 100,000 operations |
Self-powered Emergency Bell (round)
Model MWST-110
| Size | Φ63 × H25 mm |
|---|---|
| Weight | 38 g |
| Frequency | 920.700 MHz (FSK) |
| Antenna | Internal antenna |
| Transmission range | approx. 100 m (open field) |
| Power | Self-powered (no battery) |
| Dust · water protection | IP57 |
| Durability | 100,000 operations |
Self-powered Wireless Switch (hinge type)
Model MWST-100
| Size | W48 × D78 × H25 mm |
|---|---|
| Weight | 35 g |
| Frequency | 920.700 MHz (FSK) |
| Antenna | Internal antenna |
| Transmission range | approx. 100 m (open field) |
| Power | Self-powered (no battery) |
| Dust · water protection | IP57 |
| Durability | 100,000 operations |
AC receiver
Model MRAC-500
| Size | W59 × D54.5 × H25 mm |
|---|---|
| Weight | 25 g |
| Frequency | 920.700 MHz (FSK) |
| Antenna | Chip antenna |
| Reception range | approx. 100 m (open field) |
| ID registration | max. 10 |
| Rated load | max. 1,000 W (recommended 600 W) |
| Display | Red LED (operation indicator) |
| External terminals | INPUT 2-pin, OUTPUT 2-pin |
| Power | AC 110 – 240 V |
DC receiver
Model MWSRD-500
| Size | W43 × D30 × H7 mm |
|---|---|
| Weight | 5 g |
| Frequency | 920.700 MHz (FSK) |
| Antenna | Chip antenna |
| Reception range | approx. 100 m (open field) |
| ID registration | max. 10 |
| Display | Red LED (operation indicator) |
| External terminals | VCC, GND, PWM OUTPUT |
| Power | DC 3.3 – 6 V |
Specifications are subject to change without notice for performance improvement.
05Applications
Add a switch to any wall without wiring
Remote ON/OFF of AC devices such as ceiling fans
Control multiple machines with a single switch
Waterproof for peace of mind outdoors
Installation sites
Field installation photos3
Manufactured in customer-specified designs and installed in outdoor common facilities, machine rooms and utility rooms of apartment complexes.
Applicable platforms
A system that stops devices and motors connected to AC 220 V and cuts their power at the press of a button in a dangerous situation
Smart Safety Alert PlatformA system that receives signals from all sensors in a space (emergency · lights · fire · security) and sends text messages over the internet to registered numbers
06Certifications · patents
KC Conformity Registration — Transmitter (emergency bell · wireless switch)R-R-M1p-MWST-100 · 2019-09-26
KC Conformity Registration — AC ReceiverR-R-M1p-MRAC-500 · 2020-11-26
KC Conformity Registration — DC ReceiverR-R-M1p-MWSRD-500 · 2019-09-26
KC Electrical Safety Certification — AC Receiver
FCC — AC ReceiverFCC ID 2BTDM-MRAC-500 · 2026
Japan MIC — AC Receiver
Japan PSE Certification — AC Receiver
Japan MIC — Wireless Switch
Dust- and waterproof self-powered switch systemRegistered (Korea)
08FAQ
QCan one switch turn on multiple lights?
Yes. One switch can control multiple receivers, and up to 10 switches can be registered per receiver.
QDoes the receiver need power?
The switch needs no power, but the AC receiver connects to AC 110 – 240 V and the DC receiver to DC 3.3 – 6 V.
QCan you make it in our company's design?
We have produced switches with the self-powered module built into customer-designed housings. Please contact us.
CONTACT MPIA
Self-powered Wireless Switch System
A waterproof wireless switch you simply attach, with no wall work or batteries