This motor choke is an option for Altivar 61 / Altivar 71 series variable speed drives. Its rated current is 481 A. It is used as an output filter (between the drive output and the motor) and allows your drive to operate with motor cables longer than the maximum permitted lengths. Its degree of protection is IP00. It weighs 58 kg. It is used to limit overvoltages at the motor terminals, filter interference and reduce the motor's earth leakage current. It is sold in an indivisible quantity of 3 pieces.