3RU1900-1A Siemens

Mechanical RESET for 3RU11/3RB20/3RB21 Size S00...S3 ! Phased-out product! Successor is SIRIUS 3RU2 Preferred successor type is >>3RU2900-1A or >>3RB3980-1A< Mechanical RESET for 3RU11/3RB20/3RB21 Size S00...S3 ! Phased-out product! Successor is SIRIUS 3RU2 Preferred successor type is >>3RU2900-1A or >>3RB3980-1A<