SIRIUS 3RT2 contactors/contactor assemblies
2.2 Product description
SIRIUS Innovations
110 System Manual, 01/2011, A8E56203870002-03
2.2.2.3 3RA23 reversing contactor assemblies
The reversing contactor assemblies of sizes S00 and S0 are available in two versions:
● Fully wired and tested with electrical and mechanical interlock.
● As a kit for customer assembly.
The fully wired and tested reversing contactor assemblies consist of 2 contactors of the
same power rating, each with an NC contact, in the basic device, link modules, and wiring
modules. The contactors are mechanically and electrically interlocked (NC contact interlock).
The contactor assemblies for reversing are climate-proof. They are safe to touch according
to DIN EN 61140.
Connection systems
The fully wired 3RA23 reversing contactor assembly is available either with a screw-type
connection system or a spring-loaded connection system.
The illustrations below show the fully assembled reversing contactor assemblies, in the
version with the screw-type connection system.
Table 2- 7 Illustrations of the 3RA23 reversing contactor assembly (size S00 and S0)
3RA23 reversing contactor assembly, screw connection,
size S00
3RA23 reversing contactor assembly, screw connection,
size S0
Reference
More information ... Can be found in the chapter titled ...
About the 3RA23 reversing contactor assemblies Operation of a motor in two directions of rotation
(3RA23 reversing contactor assembly)
(Page 132)
About the components for customers to assemble
their own reversing contactor assemblies
Assembly kit for reversing contactor assemblies
(Page 212)
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