Frequency controllers

Frelink 4f: Single Phase Frequency Controller

Frelink-4f The Frelink-4f enables efficient single phase fan speed control based on a 0-10V input signal. The frequency drive ensures energy savings up to 60%. It extends the motor lifetime by operating it at significantly lower temperatures. Minimum and maximum frequency is adjustable. The Frelink-4f is equipped with an economy mode. The maximum output current is 3.5 Amps.

Download the brochure Frelink-4f (308 kB)

VLT Agro Drive: Three Phase Frequency Controller

VLT Agro DriveThe VLT Agro Drive enables efficient continuously variable speed control of three-phase fans. This control is based on a 0-10V input signal. The fan speed control can be adapted precisely to the demands of the user. Lower motor temperatures assure a longer lifetime, less maintenance and higher reliability. Furthermore, the energy use is strongly reduced. The VLT Agro Drive provides an optimal climate under all circumstances.

Download the brochure VLT Agro Drive (457 kB)