Siemens SIRIUS 3RT Manual page 468

Circuit diagrams
11.2 Contactors and contactor accessories
Contactor with 4 main current paths 3RT23 (sizes S0, S2 and S3)
3RT232.-.A..0, 3RT232.-.B..0, 3RT233.-.A..0, 3RT233.-.N..0, 3RT234.-.A..0, 3RT234.-.B..0,
3RT234.-.N..0
S0, S2 and S3 contactor, 4 main current paths for switching resistive loads, 4 NO contacts
plus 1 NO contact, 1 NC contact
Pole-changing contactor 3RT25 (sizes S0, S2 and S3)
3RT252.-.A..0, 3RT252.-.B..0, 3RT253.-.A..0, 3RT253.-.N..0, 3RT254.-.A..0, 3RT254.-.N..0
Pole-changing contactor, S0, S2 and S3, 4 main current paths, 2 NO contacts, 2 NC
contacts, plus 1 NO contact, 1 NC contact
468
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006