Product description
4.2 Device versions
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
56 Manual, 09/2017, A5E03656507120A/RS-AE/006
3RA23 reversing contactor assemblies
The reversing contactor assemblies of sizes S00 to S3 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 assembly consists 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 finger-safe according to
IEC 61140.
The fully wired 3RA23 reversing contactor assembly is available either with a screw-type
connection system or a spring-loaded connection system (sizes S0 and S00).
Sizes S2 and S3 are only available with screw-type connection. In sizes S2 and S3, the
spring-loaded connection system is only available in the control circuit.
The illustrations below show the fully assembled reversing contactor assemblies, in the
version with the screw-type connection system.
3RA23 reversing contactor assembly, screw connection, size S00
3RA23 reversing contactor assembly, screw connection, size S0
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