Free running impellers with EC-drives(EX/FRI/001)

Price: on request

centrifugal fans with free running, backward-curved, high-performance impellers in the GKHM / GKHS / GKHR series form a very compact, constructively optimal ventilator unit in conjunction with an electronically commutated external rotor motor (EC motor) with newly developed integrated power electronics.

Properties

  • flow rates up to 17,000 m³/h
  • size: 250 – 630 mm (impeller diameter)
  • highly efficient EC technology
  • backward curved impellers
  • integrated control system (EC controller)
  • speed is 100% infinitely variable

Electrical connection

The mains connection and the contacting of all control and signal inputs are carried out directly on the motor. This eliminates the time-consuming connection with shielded cables.

Speed control

The infinitely variable speed input of the motor is done by connecting an external potentiometer (accessory) or an external 0-10 V/PWM signal.

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