The fan housing is made of galvanized sheet steel with black powder paint RAL 9005. A protective grille provided with black powder coating is placed on the fan intake.
Impeller
The impeller is axial with bionically shaped blades made of composite material. The impeller is dynamically balanced in two levels according to DIN ISO 1940 part 1, level G6.3.
Motor
The external rotor motor is equipped with thermal contacts connected to the fan terminal block. The thermal contacts must be connected to the appropriate type of protection relay.
Speed control
Speed control is performed by means of a five-stage transformer or continuously by means of a thyristor.
Installation
The fan can be mounted in any position on a wall or ceiling.
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