Regulated power supply in primary and secondary protected by a fuse. VO polycarbonate fireproof case. Fixing to all supports with 4 screws. Optional: with battery charger by adding a B7AH battery in a BB2 box. Dimensions: 142 x 92 x 60mm. Input voltage: 230V ± 10 %, 50/60 Hz. Consumption: 0.43A. Maximum output 12VDC @ 4A. IP30. Operating temperature: 0°C to +40°C.