Siemens 4EU4521-0AK00 Description Description Siemens 3PH-COMMUTATING REACTOR 1310/1640A, FOR 575V 50HZ VOLTAGE DROP 12,6V 1640A Related products SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FN3050-4SA00-0AA0 SIEMENS 1FK6042-6AF71-1TB0 SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FT5066-1AF71-4AA0