Switches and controllers

with integrated motor protection

switches: 1-, 2-, 3-step

Control unit:
transformer
5-step and stepless, electronic stepless

Regulated by:
stepless, temperature-, pressure-, humidity-, air velocity

Electronic Control Units

Electronic control units for stepless speed control of voltage-controlled 1- or 3-phase fans. The devices are available in various ratings and formats. Rosenberg offers electronic control units with manual speed selection as well as devices for simple control applications (temperature-pressure control).