KNX object controller in antique brass with an integrated bus coupler and a 4-fold button interface, without a setpoint adjustment knob. The controller is tamper-proof from the outside. Full functionality is supported from ETS 3.0d or higher.

Product family: ETS. Physical sensors. Product type: Temperature. Intended use: Individual room temperature control in KNX installations. Installation in a device box with dimensions according to DIN 49073.

Product features include measurement of room temperature and comparison with the set temperature. Setpoint specification is achieved by selecting the operating mode. Operating modes include Comfort, Standby, Night operation, and Frost/Heat protection. Heating and cooling operation includes basic and additional stages. Operation is exclusively via the bus.

The button interface has four inputs or two outputs and two inputs, suitable for window contacts, buttons, LEDs, etc. Functions of the inputs include switching, dimming, blind control, light scene secondary control, and brightness or temperature value provision. An external temperature sensor can be connected optionally.

KNX medium: TP 256. Nominal voltage KNX: DC 21 to 32 V SELV. KNX current consumption: maximum 7.5 mA. KNX connection: terminal block. Ambient temperature range: -5 to +45 °C. Storage/transport temperature range: -25 to +70 °C. Output current: 0.8 mA.

Input and output cable type: J-Y(St)Y 2 x 2 x 0.8 mm. Maximum cable length: 5 m. Maximum cable length for temperature sensor: 50 m. Caution: If cables with a cross-section of 1.5 mm² are used, a switch junction box must be employed.