Wall-mounted electronic time switch unit for Aerauliqa ventilation fans, wall-mounted (recessed) design. Its use allows the fan to be switched off in a delayed manner according to the set post-ventilation time (adjustable between 30 seconds and 25 minutes). The setting can even be changed at each switch-on, according to user needs. The control unit max. It is suitable for controlling single-phase (230 V) fans with a current consumption of 2 Amps. It can be used for the following Aerauliqa products:- QMF, QCmec, QBX QB and QIN types,- AX, QA, QD, QS and QX types. included in the description of the fitted Aerauliqa ventilation device!