3RT1965-5AR31
Siemens SIRIUS S10 size contactor (3RT1064/1065/1066) with dedicated plug-in coil replacement; other voltage versions in the same series are also available in 24V, 42-48V, 110-127V, and 220-240V.
The 3RT1965-5AR31 belongs to the Siemens SIRIUS 3RT10 large contactor (S6-S12 sizes) pluggable coil accessory family. This series is specifically designed for the 3RT1064, 3RT1065, 3RT1066 (S10 size) and the corresponding 3RT146 DC-operated models, allowing for the replacement of the magnetic coil system without disassembling the contactor body. Known voltage versions in this series cover various specifications including 24V, 42-48V, 110-127V, 220-240V, and 380-420V. However, the rated voltage of the AR31 itself cannot be found in the publicly available information from current distributors. Kenxin Motors recommends confirming the actual voltage requirements before placing an order to ensure the correct part number.