The smart motion detector/twilight switch: The M55-BD-Ex
automatically switches the light or other users in potentially
explosive (Ex) indoor or outdoor areas on and off again.
ex II 2G Ex d IIC T6 Gb
ex II 2D Ex tb IIIC T80°C Db
EC type examination certificate: BVS 15 ATEX E 057 X
Power supply see data sheet