Casing from galvanised steel. 50 mm rockwool acoustic and thermal insulation with a internal surface liner which
prevents the migration of fi bres into the airstream.
Voltage controllable external rotor motors.
Double inlet centrifugal impeller with forward curved blades.
Speed controllable via voltage reduction using a thyristor or transformer.
With integrated thermal contacts with manual reset in accordance with EN60335-2-80.