The Rittal speed control unit is use for EC fan. It is temperature-dependent speed controller for EC fans to reduce noise and save energy. Activation and monitoring of up to 4 EC fan-and-filter units. It has external temperature sensor to record the actual temperature. It has alarm relay for reporting over temperature, fan defect, cable break and sensor failure.
It has temperature setting range from +5 °C to +55 °C It is certified by EAC and approved by UR + C-UR
