Siemens SIRIUS 3RT - Parallel Switching Connectors; Description

Accessories
9.18 Parallel switching connectors
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
350 Manual, 09/2017, A5E03656507120A/RS-AE/006
9.18
Parallel switching connectors
9.18.1
Description
The parallel connection is used for parallel infeed of an L1 cable on L1 - L3. The parallel
connectors (insulated) can be reduced by one pole.
The following versions of parallel switching connections are available:
Table 9- 31 Versions of the parallel switching connectors
Size
Design of the parallel switching
connector
Connection system
Article number
S00 3-pole, without connection
terminal
Screw connection
3RT1916-4BA31
Spring-loaded
connection
3RT2916-4BA32
3-pole, with connection terminal
Screw connection
3RT1916-4BB31
4-pole, with connection terminal Screw connection 3RT1916-4BB41
S0 3-pole, without connection
terminal
Screw connection
3RT1926-4BA31
Spring-loaded
connection
3RT2926-4BA32
3-pole, with connection terminal
Screw connection
3RT2926-4BB31
S2
3-pole, with connection terminal
Screw connection
3RT1936-4BB31
S3
3-pole, without terminal
Screw connection
3RT1946-4BB31
S6 3-pole, without terminal, with
through hole for contactors
Screw connection 3RT1956-4BA31
S10 / S12 3-pole, without terminal, with
through hole for contactors
Screw connection 3RT1966-4BA31