9InstallationPackage contentsCT3MA TelecontrolExternal antennaInstruction manualInstallation and safety informationCT3MA shall be installed by qualified personnel only.If power supply is provided by an external unit, the latter shall complywith SELV1 circuits specifications according to EN60950.If batteries are used, follow the specific instructions.The cable between the CT3MA and the power source shall not belonger than 3 m.Power supply shall not be shared with other devices.MountingCT3MA can be quickly fitted to EN 50022 standard rails, rear wallmoun-ting.External antennaConnect the antenna provided as standard before powering thedevice. To operate regularly the antenna shall not be shielded bymetallic walls.1 Safety Extremely Low Voltage