Siemens 4EU4521-0AP00 Description Description Siemens 3PH-COMMUTATING REACTOR 1310/1640A, FOR 690V 50HZ VOLTAGE DROP 15,9V 1640A Related products SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FK7044-7AF71-1EG0 SIEMENS 1FK6060-6AF71-1TA0 SIEMENS 1FT5072-0AC01-1-Z SIEMENS 1FN1910-0AA20-1AA0