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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
3RH1921-2CA01 siemens front-side auxiliary switch, 1 NC contact, spring-type terminal, for contactors 3RT1
3RH1921-2HA22 - Auxiliary switch block, 22, 2 NO + 2 NC, EN 50012, spring-type connection system, for motor contactors, 4-pole ! Phased-out product! Successor is SIRIUS 3RH2