K 125 M sileo Systemair

90.00 ex VAT 90.00

  • Speed-controllable
  • Built-in motor protection
  • Can be installed in any position
  • Can be installed outdoors
  • Maintenance-free and reliable

The K series is designed for installation in ducts. All the K-fans have minimum 25 mm long spigot connections.


The fans have backward-curved blades and external rotor motors. To simplify the installation the K-fan has a fixing bracket together with screws for mounting the bracket included as standard. The FK mounting clamp (as accessorie) prevents the transfer of vibration to the duct. The fans can be speed-controlled via a stepless thyristor or a 5-step transformer.


To protect the motor from overheating the fan is impedance protected. The casing is manufactured from galvanised sheet steel and folded which gives the fan a close to air tight casing. Duct connected outdoor and wet room applications of the fan are possible due to the air tight casing. The K-fans have corrosion class C3.

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Nominal data
Voltage 230 V
Frequency 50 Hz
Phase 1 ~
Input power (P1) 28,2 W
Current 0,164 A
Max. airflow 187 m³/h
Fan impeller speed 2491 r.p.m.
Weight 2,3 kg
Temperature data
Max. temperature of transported air 70 °C
Max. temperature of transported air when voltage-controlled 70 °C
Sound data
Sound pressure level at 3 m (20m² Sabin) 34,2 dB(A)
Protection / Classification
Insulation class B
Enclosure class, motor IP44
Energy class, basic unit F
Energy class, basic unit option C
ErP ready ErP 2018

Additional information

Weight 3 kg
installation area




type of product

ventilation product


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