Upper end strip for mounting on base support 1-way to 3-way (6346/10-101, 6346/11-101 and 6346/12-101). With integrated IR receiver for control by Busch remote control IR hand-held transmitter 6010-25 or 6020-.../6021... and integrated proximity function. For heating and cooling (PI, PWM or 2-point). For controlling up to 5-stage ventilation actuators. With manual adjustment of the fan levels. Master/slave operation. With base load operation. Display of up to 17 functions as text and/or icon. Only possible in conjunction with 1-way rotary control element (6341-xxx-101) and 3-way control element (6342-xxx-101). Incl. 10 logic channels (light scene actuator, sequence actuator, logic gate etc.). Temperature controller class: 1 Contribution to room heating energy efficiency: 1.0%. ETS programming only from ETS 3.0f. Additional PowerTool software required.