Emergency Safety Platforms

Device Control Platform

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

01Why it is needed

Vehicle stop barriers needed to be opened and closed by wire from the crane cab.

A self-powered emergency button that needs no wiring controls Open / Close wirelessly.

Self-powered emergency buttons control power to equipment connected by relay to the AC receiver
10 stop buttons registered per AC receiver
A single stop button controls multiple receivers at once
The AC receiver's built-in relay mode eliminates the need for a separate relay

02System configuration

Self-powered Emergency Bell (round)MWST-110

100 m

AC receiverMRAC-500

AC 220 V

Equipment · motorsPower cut-off

Ranges are based on open field with no obstacles. Each added repeater extends the range by approx. 1 km.

03Products · specifications

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

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

04Case studies

Wireless control of vehicle stop barriers at Company D

Emergency buttons on the cranes and receivers built into the barriers control barriers and traffic lights approx. 100 m from the crane, and vehicle entry and exit are checked on a receiver monitor on the waiting room display board.

Installed quantity

30Emergency buttons

10AC receivers

30DC receivers

Installation sites

Power control of hazardous equipment
Wireless Open / Close control of barriers
Power control of automation equipment
Power control of large motors

05Benefits

01Benefits

A wireless barrier control system built easily with no batteries or wired connections

02Benefits

Wireless buttons control barriers and traffic lights 100 m from the crane

03Benefits

Can be expanded to large factories, crane companies and companies operating barriers

06Related products

M callSelf-powered Emergency Bell SystemLearn more

M switchSelf-powered Wireless Switch SystemLearn more

CONTACT MPIA

Device Control Platform

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