- Plastic housing
- Push buttons and LEDs for controlling and signalling the status of the outputs on the front panel
- Push-button and LED for programming or manual/automatic operation on the front panel
- Bus line connection via KNX terminal
- Connection of consumers via screw terminals with cable cross-section up to 4 mm2
- Connection of different phases on adjacent outputs
- Device with 4 modular units (1 UM = 18 mm)