KNX object controller in matte snow white with integrated bus coupler and integrated button interface, 4-fold 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 device box with dimensions according to DIN 49073.

Product features:

• Measurement of room temperature and comparison with setpoint temperature.
• Setpoint specification by selecting the operating mode.
• Operating modes: Comfort, Standby, Night operation, Frost/Heat protection.
• Heating and cooling operation: Heating and cooling with basic and additional stages.
• Operation exclusively via the bus.
• Button interface with four inputs or two outputs and two inputs, e.g., for window contacts, buttons, LEDs, etc.
• Function of the inputs: Switching, Dimming, Blinds control, Light scenes secondary control, Brightness or temperature value provider.
• Optional: External temperature sensor can be connected (Article No.: FF NTC, FF 7.8).

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

Inputs and outputs:
Cable type: J-Y(St)Y 2 x 2 x 0.8 mm.
Cable length: max. 5 m.
Cable length for temperature sensor: max. 50 m.

Caution: If cables with a cross-section of 1.5 mm² are used, a switch junction box must be employed!.