Rosenberg EQ 300-2 plate axial fan

Axial fans with square wall plate Casing made from galvanized and plastic-coated steel, series plate mounted. Impellers with aerodynamically shaped blades, up to size 300 made from galvanized steel, from size 315 up to size 630-6 made from plastic, from size 630-4 from die-cast aluminium, mounted onto a speed controllable external rotor motor. The fan is balanced on two levels according to quality level G 2.5 DIN/ISO 1940. Closed motor, protection class IP 44/54 with protection against humidity and thermal contacts wired in windings for motor protection from size 315. Maintenance free ball bearings closed on both sides, sealed for life. Electrical connection through terminal box (not connected) in IP 44.