Duct booster fans are practical for various applications in residential buildings: from boosting the air into the back bedroom to exhausting some hot or stale air.
Square wall plate casing and axial impeller made from galvanized sheet steel, blackpowder coated. Includes protection guard on the intake side.
Voltage controllable external rotor motors with cable or speed controllable via voltage reduction using a transformer or 2-stage operation via star-delta switching.
Motor protection via integrated PTC thermistors, combined with a connected motor protection device.
The fans can be used for the temperature classes T1 toT3 classification in accordance with ATEX 94/9/EC, as well as T4 for the AW 355 and AW 420. Exhaust of potentially explosive gases in Zone 1 and Zone 2 as well as Groups IIA and IIB is also possible.