The D and DB by Motovario is a three phase asynchronous electric brake motor which comes with standard sizes of 063 to 132 inches based on the IEC international standards. Also, it comes with version of flanges which are B5, B14 and B3 having a mounting feet. Other models have either double polarity and AC or DC braking system. The unit has an external surface ventilation and a casting made of aluminum alloy. It comes with a protection class of IP55 and insulation class of F or H. Its power rating and dimension are based on the standard IEC 72-1 which has a power of 0.09 to 11 kW. It can work over a temperature compatible with class B or ambient temperature of +40°C.