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3RH1921-1EA20 SIEMENS AUXILIARY BLOCK 2NO DIN EN50005 2 POLE
3RH1921-1FA22 Siemens Auxiliary Switch 2NO + 2NC
3RH1921-1FE22 SIEMENS AUXILIARY 2NO & 2NC LOW LEVEL
3RH19211HA22. Product. Auxiliary switch block, 22, 2 NO + 2 NC, EN 50012, 4-pole, screw terminal, for motor contactors, Size S0 .. S3 !
second lateral Auxiliary switch, 1 NO, 1 NC, screw terminal, for contactors 3RT1
front-side auxiliary switch, 2 NO contacts, 2 NC contacts, screw terminal, for contactors 3RT1, sequence numbers 5…8