3/6-way control element with IR interface and RTR, palladium, Busch installation bus KNX, Busch-triton Control elements, 3/6-way control element with IR interface and RTR Busch-triton With integrated KNX bus coupler. With labeling field. Button function (switching/dimming/blinds/send value/light scenes/ventilation function) Master/slave operation. With base load operation. Control element with room temperature controller function for controlling heating, ventilation and fan coil actuators. The controller is a constant room temperature controller for fan convectors (fan coil) in 2- and 4-pipe systems and conventional heating or cooling systems. The fan level can be switched manually or to automatic mode. For control via Busch remote control IR hand-held transmitter 6010-25 or 6020-.../6021... . Class of the temperature controller: 1 Contribution to space heating energy efficiency: 1.0%. Control elements: push buttons left/right Display elements: LED to display the switching status Connections: KNX line: bus connection terminal Protection class (device): IP 20 Temperature range (device): -5 °C to 45 °C Dimensions (H x W x D): 97 mm x 90 mm