CENTRIFUGAL ROOF EXHAUST FANS
The impeller is joined to the protrusion of the shaft of the enclosed electric motor with external ventilation, IP 55 Class F protection
Each appliance is comprised of: base, brackets, motor flange and galvanized protection net, plastic protection cowl, centrifugal impeller with galvanized sheet reverse paddles
They can be coupled to single phase motor with inserted permanent condenser 230 V 50 Hz , three phase 230/400 V 50Hz one speed, three phase two speed 400V 50Hz
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