Direct supply brushless EC motor, high performance, low consumption, ball bearings, built-in thermal protector and able to work at temperatures from -20ºC to +40ºC:- Single-phase version 230V±10% 50/60Hz, IP44.- Three-phase version 400V±10% 50/60Hz, IP54.Adjustable speed 100% by potentiometer located in the terminal box or by external control type REB-ECOWATT. Analogue input signal 0-10V to control the fan.
