Insulated rectangular self-cleaning duct fan. Very low profile design.
Backward curved centrifugal impeller.
Casing manufactured from heavy gauge galvanised sheet steel.
50mm thickness of M0 glass fibre internal acoustic insulation.
External rotor motor, speed controllable, Class F insulation.
External wiring terminal box.
Safety thermal overload protection.

Motors
Outer rotor motors.
Single-phase models 230V-50Hz, IP54 or IP44 depending on models, adjustable via voltage inverter.
Three-phase models 230/400V-50Hz, IP54, Class F, controlable by frequency inverter.

Additional information
They can be installed in any position.