751-5877, Siemens, Siemens SIRIUS Contactor Terminal Cover for use with 3RB105, 3RT1.5, 3RW40, 3RW442, 3RW443, Box Terminal Block, Size S6 Siemens SIRIUS Contactor Terminal Cover for use with 3RB105, 3RT1.5, 3RW40, 3RW442, 3RW443, Box Terminal Block, Size S6