Dimensions and technical details 230 Volt ~50 Hertz Model: selectable (C11-MC 100 VN / C12-MC 100 VFN / C21-MC 125 VN / C31-MC 150 VN) Type VN: without humidity sensor Type VFN: with adjustable humidity sensor (50 - 90%) Colour: white System: axial-flow fan Includes mechanical sealing film Automatic overrun (adjustable delay 2 - 20 minutes) Mounting options: wall or ceiling Protection class: II (double protective insulation) Protection: IP24 (protected from splashing water) Max. air temperature: 40°C       Type Diameter (mm) Output max. (m³/h) Output pressure max. Pa Sound pressure  dB(A)  Airway max. (metre) Power consumption max. (Watt) Weight (kg) C11   (MC 100 VN) 100 90 25 35 1.5 12 0.68 C12   (MC 100 VFN) 100 90 25 35   1.5 12 0.68 C21 (MC 125 VN) 125 168 32.5 37 1.5 17 0.82 C31 (MC 150 VN) 150 230 23.5 41 1.5 26 1.40    Type A mm B mm C mm D mm C11   (MC 100 VN) 99 92 38 150 / 150 C12   (MC 100 VFN) 99 92 38 150 / 150 C21  (MC 125 VN) 118 86 42 170 / 170 C31 (MC 150 VN) 148 116 63 200 / 200  Pressure - volume characteristic diagram