Siemens 4EM4912-3CB Description Description Siemens 1PH-COMMUTATING REACTOR 20A FOR 230V 50HZ VOLTAGE DROP 8.8V Related products SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK6060-6AF71-1TA0 SIEMENS 1FK6042-6AF71-1TB0 SIEMENS 1FK6042-6AF71-1TH0