They are the most efficient and economical solution for AC power transmissions. Three-phase motors are produced in accordance with international IEC standards in frame sizes 063 to 280 in versions with B5 and B14 flanges and B3 feet. They are available in single-pole versions (2, 4, 6; efficiency IE2 from size 080, IE3 from size 132), with AC or DC brake and in the power range from 0.09 kW to 90 kW.