Siemens SIRIUS 3RT - Page 267

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