Device features

• Wall fans in the nominal sizes DN 710 to DN 1250.
• For air extraction.
• Fans with three-phase AC motor.
• Speed controllable with MFU frequency converter suitable for the unit.
• Air flow and rotational direction are marked by arrows on the fan housing.
• The units are switched on or off with an optional switch.
• A start-up current limitation (star-delta connection) is prescribed for the following unit types: DAS 80/4, DAS 90/4, DAS 100/4, DAS 112/6 and DAS 125/6.
• Protective grille [2] on the suction side – protection against accidental contact in accordance with EN ISO 13857.
• With free air inlet or outlet, operation is only permitted with protection against accidental contact in accordance with EN ISO 13857.