Properties
- flow rates up to 33,000 m³/h
- size: 200 – 1000 mm (impeller diameter)
- highly efficient EC technology
- small depth
- sickle formed profiled impellers
- integrated control system (EC controller)
- speed is 100% infinitely variable
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Impellers
The EC axial fans have aerodynamically shaped blades:
- size 200
- made of plastic
- size from 250 to 400
- made of black painted and galvanised steel sheet
- size from 450 to 1000
- made of aluminium
Electrical connection
The electrical connection can be made at the motor size G9, V8, GD84 and GD112 (230V) via lead out connection cable and for the motor size GD112 (400V) and GD150 directly via cable gland at the integrated terminal box of the motor. The integrated motor protection is signaled via alarm relays at size 350 to 1000. For the size 200 to 300 a tachometer output is available. In the version „open-loop control“(standard) the speed is adjustable via 0-10V Signal or a potentiometer (optional).
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