Lighting and AC/DC device control with self-powered wireless switches (Hillstate and IPark apartments)

Site: Hillstate and IPark apartment complexes
Self-powered wireless switches were installed in the common areas of new apartment complexes to control lighting without wall work, wiring or batteries.
1. Purpose
- A power-free wireless switch system using self-powered sensors.
- Hyundai E&C apartments needed a power-free switch system that is easy to install and maintain in common areas.
- Applied power-free wireless self-powered switches that need no wall work, wiring or batteries.
- Dust- and water-resistant (IP57), so they can be used in a wide range of indoor and outdoor spaces.
- Reliability verified through 100,000-cycle durability and wireless signal transmission tests.
2. Benefits
- Self-powered wireless switch system installed in new Hyundai E&C apartments.
- Switches can be installed anywhere, power-free, with no wall work and no batteries.
- Dust- and water-resistant (IP57) switches can be installed in a wide range of indoor and outdoor spaces.
- Each wireless switch has a unique ID, so there is no radio interference.
- Being extended to other construction companies: Korea's top 10 builders as well as small and medium builders and interior companies.
3. System configuration
- Self-powered wireless switch — Generates electricity from the press of a finger and sends an on/off RF signal
- Hyundai E&C wireless switch — Custom switch case moulded exclusively for the client
- Lighting control receiver — LED lighting control: DC receiver; general lighting control: AC receiver
4. Product specifications
Self-powered Wireless Switch (MWST-120)
- Size: W84 × D84 × H15 mm
- Weight: 35 g
- Frequency: 920.700 MHz (FSK)
- Antenna: Built-in antenna
- Transmission range: Approx. 100 m (open field)
- Power: Self-powered (no battery)
- Dust / water protection: IP57 (water-resistant for everyday use)
- Durability: Operates 100,000 times or more
AC receiver (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: Up to 10
- Display: Red LED (operation ON/OFF)
- External terminals: INPUT 2-pin, OUTPUT 2-pin
- Power: AC 110 – 240 V
DC receiver (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: Up to 10
- Display: Red LED (operation ON/OFF)
- External terminals: VCC, GND, PWM OUTPUT
- Power: 3.3 – 6 V
5. Installation photos
▶ Lights in the fan rooms and alarm valve rooms of the complex

▶ Lights in front of the elevators on residential floors

▶ Lighting control at the outdoor recycling storage area of the complex

▶ Lighting control in front of the elevators

Contact
MPIA Co., Ltd. · Tel. +82-32-666-8193 (8191) · Weekdays 09:00 – 18:00 (KST)
mpia@mpiatek.com · www.mpiatek.com