The TBD2 power supplies have been developed for the installation in home automation, security systems, access control, electrical locking systems and sensors. Developed for DIN-rail mounting, these products can also be fixed to a wall. Main characteristics: Insulation class: II Degree of protection: IP20 Service condition: continuous Relative humidity: 5 % - 90 % Standards: EN61558-1 or EN60950 EMC: EN50081/2 or EN55022/B MTBF ( MIL HDBK217 ): > 180'000 h Input and output terminal blocks Case: colour grey RAL 7035