Reversing combination, AC-3, 55 kW 400 V, AC/DC 20-33 V 3-pole, size S3 screw connection electrical and mechanical interlocking 2S and varistor integrated with voltage tap SIRIUS 3RA23 reversing combination for switching motors including changing the direction of rotation. , The 3RA23 reversing combination is a tested and factory-preassembled combination of two 3RT2 contactors of the same power that are already wired and mechanically and electrically interlocked. They are climate-resistant, approved worldwide (e.g. IEC and UL/CSA) and IE3/IE4 ready. , The 3RA23 reversing combinations are available with AC and DC operation in sizes S00 to S3. They are offered with screw and spring-loaded connection technology for mounting on a standard rail or screw fastening. , The accessories for the 3RT2 contactors are the same for all sizes and can also be used for the contactor assemblies. , The 3RA23 reversing assemblies replace the proven 3RA13 series. , Simple, efficient, always up-to-date - the SIRIUS modular system.