Siemens SIRIUS 3RT Manual page 267

Example 1
Type 3RT20 motor contactor, S00 with 1 NO contact
(1NO)
Sequence number 2. 3. 4. 5.
Type Auxiliary switches with 4 NC contacts,
3RH2911-.FA04
Function number .1 .1 .1 .1
.2 .2 .2 .2
Assembly 3RT20 motor contactor, S00 with auxiliary switch
block
Terminal 13 21 31 41 51
designation 14 22 32 42 52
Result Ident. 14
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
9.3 Auxiliary switch blocks
Example 2
3RT20 motor contactor, S0 (S2) with 1 NO
contact and 1 NC contact (1 NO + 1 NC)
3. 4. 5. 6.
Auxiliary switches with 3 NC contacts,
3RH2911-.HA03
.1 .1 .1
.2 .2 .2
3RT20 motor contactor, S0 with auxiliary switch
block
13 21 31 41 51
14 22 32 42 52
Ident. 14
Accessories
267