VELUX 3FM FK18 WW smoke ventilation motor – 24 V DC
The VELUX 3FM FK18 WW is an electric chain actuator for compatible VELUX smoke ventilation windows. It is designed as an original replacement motor for existing VELUX smoke ventilation systems and operates on 24 V DC.
In VELUX technical documentation, this motor version is also referred to as KFM 108 / 3FM FK18 (BH-MU009-01). The corresponding VELUX spare part number is 947008.
Product details
- Manufacturer: VELUX
- Model: 3FM FK18 WW
- Alternative designation: KFM 108 / BH-MU009-01
- VELUX spare part no.: 947008
- Drive type: Chain actuator
- Operating voltage: 24 V DC
- Application: Smoke ventilation / smoke extraction
- Version: Single actuator
Use as a replacement motor
The 3FM FK18 WW is used in VELUX smoke ventilation windows. As part of the corresponding smoke ventilation system, the electric chain actuator opens the window in the event of activation to allow smoke to escape. Depending on the VELUX control system and window configuration, the system can also be used for daily comfort ventilation.
Important when replacing an existing motor: VELUX uses different smoke ventilation motors depending on the window type, size and configuration. Please therefore compare the designation and spare part number of your existing motor before ordering. If your existing unit is marked 3FM FK18 WW, 3FM FK18, KFM 108 or 947008, this is the corresponding motor version.
If you are unsure about compatibility, please send us the details shown on the existing motor and the identification plate of your VELUX window.
Image for illustration purposes only
| Technical data | |
| Type (Drive) | Chain Drive |
| Nominal voltage | 24 V DC |
| Variant | Single |
| Color | Grey |
- Brand: VELUX
- Product Code: VELUX 3FM FK18 WW
- Availability: 3-5 Days
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577.51€
incl. 19% VAT plus shipping