Siemens SIRIUS 3RT - Page 266

Accessories
9.3 Auxiliary switch blocks
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
266 Manual, 09/2017, A5E03656507120A/RS-AE/006
Example 1
Basic device: 3-pole 3RT2017 motor contactor with 1 NO contact
Desired: 1 NO contact and 4 NC contacts (Ident. No. 14)
Result: 3RH2911-.FA04 auxiliary switch block
Example 2
Basic device: 3-pole 3RT2023 motor contactor with 1 NO contact and 1 NC contact
Desired: 1 NO contact and 4 NC contacts (Ident. No. 14)
Result: 3RH2911-.HA03 auxiliary switch block
Note
The same auxiliary switches can be fitted to size S2/S3 contactors as to size S0.
Example 2 can also be used for sizes S2/S3.