Southco R4-EM - 8 Series

The R4-EM 8 Series Electronic Rotary Latch Series combines the efficient and robust performance of a rotary latch mechanism with simplified DC motor actuation. The R4-EM 8 Series is available with an optional door sensor, integrated connector and mechanical override bracket. Flexible, concealed installation provides vandal-resistance and accommodates a variety of cabinet designs.
Accessories producer: 
Southco
Product page: 
R4-EM - 8 Series Electronic Rotary Latch
Tested withFirmwareResult
HWg-SH4
1.2.2 and later
OK
HWg-SH4e
1.0.2 and later
OK
HWg-SH4s
1.0.0 and later
OK

Pinout

1 Power (Red)
2 Power GND
3 Not connected
4 Latch status signal

Connections

HWg-SH4x Lock
GND Door Contact
IN1 Door Contact
GND  
IN2 Latch status signal
GND  
IN3 Exit Button
NC Exit Button
COM Connect to +U
NO Power (Red)
GND Power GND
+U