6SE6440-2UC21-5BA0 Siemens Description Description Siemens SIMOVERT MASTERDRIVE Related products SIEMENS 1FK7042-5AK71-1FB0 SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FN1910-0AA20-3AA0 SIEMENS 1FK6060-6AF71-1TA0