Siemens SIRIUS 3RH Series, System Manual

Page: 212 / 786

SIRIUS 3RT2 contactors/contactor assemblies
2.7 Accessories
SIRIUS Innovations
212
System Manual, 01/2011, A8E56203870002-03
2.7.24 Assembly kit for reversing contactor assemblies
2.7.24.1 Description
Users can mount the 3RA23 reversing contactor assembly using various assembly kits for
screw and spring-loaded connections.
Note
The 3RT201./3RT202. power contactors required for installing the 3RA23 reversing
contactor assembly in size S00/S0 have to be ordered separately.
Assembly kit for 3RA23 reversing contactor assembly
The following components are included in delivery with the assembly kit for 3RA23 reversing
contactor assembly:
●
Mechanical interlock
● Two connecting clips for two contactors
● Wiring modules, top and bottom
The assembly kit is available in the following versions.
Table 2- 66 Versions of the assembly kit for 3RA23 reversing contactor assembly
Connection system Size Order number
S00 3RA2913-2AA1 Screw connection
S0 3RA2923-2AA1
S00 3RA2913-2AA2 Spring-loaded connection
S0 3RA2923-2AA2
Electrical interlock
The assembly kit for contactors (size S00 and S0) with screw-type connections contains
wiring modules for connecting the main and control current paths.
The assembly kit for contactors (size S00) with screw-type connections contains wiring
modules for connecting the main and control current paths.
For contactors (size S0) with spring-loaded connections the kit only contains wiring modules
for connecting the main circuit. If the control circuit wiring (electrical interlock) is also
required, the auxiliary switches must be wired separately as necessary. The procedure is
described in the chapter titled Mounting (Page 212).
2.7.24.2 Mounting
The reversing contactor assemblies can be built from contactors with screw connections or
spring-loaded connections:
●
Standard contactor (Q 11) for direction of rotation 1 (clockwise rotation): Left
● Standard contactor (Q 12) for direction of rotation 2 (counterclockwise rotation): Right