3RT1935-5AC21
The 3RT1935-5AC21 is a 24V AC control coil for a Siemens SIRIUS S2 size contactor with a rated frequency of 50/60Hz. It has been verified that it is compatible with the 3RT1035-1AC20 and 3RT1036-1AC20 contactors. It can be directly inserted into the original coil socket for replacement and is a commonly used maintenance part on the production line.
Product Positioning
The 3RT1935-5AC21 is a 24V AC coil used with Siemens SIRIUS S2 size contactors. Verification confirms its compatibility with contactor models 3RT1035-1AC20 and 3RT1036-1AC20. 24V control voltage is very common in factory automation control panels. This coil allows maintenance personnel to quickly troubleshoot malfunctions caused by coil burnout without replacing the entire contactor.
Core Product Advantages and Features
Confirm Applicable Model
It has been verified that it is directly applicable to 3RT1035-1AC20 and 3RT1036-1AC20 contactors. However, it is still recommended to check the model number on the nameplate before selecting it.
AC24V low voltage specification
The rated voltage is AC 24V, which meets the low voltage circuit design requirements of most PLC control panels.
50/60Hz Dual-Band Universal
The same coil can be used for both 50Hz and 60Hz power frequencies, eliminating the need for separate material preparation.
Corresponding to S2 size contactor
This is a standard coil specification belonging to the Siemens SIRIUS S2 size large contactor series.
Quick Replacement and Repair
The coil can be disassembled and replaced independently, eliminating the time and cost of replacing the entire contactor group.
Original factory authorized source
Kenxin Motors is an authorized distributor of Siemens, providing genuine original parts and a full warranty.
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3RT1935-5AD21
The 3RT1935-5AD21 is a 42V low-voltage control coil specifically designed for Siemens SIRIUS S2 size contactors. It is suitable for use in safety voltage circuit designs. Based on comparison with other SIRIUS part numbers, it is confirmed to be a 50/60Hz dual-frequency specification. It features screw terminal connections and can be used as a replacement part when repairing existing 3RT10 series contactors.
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3RT1935-5AB01
3RT1935-5AB01 is a 24V AC coil specifically designed for Siemens SIRIUS S2 size contactors. It has a rated frequency of 50Hz, is fixed with screw terminals, and has a white appearance. This original part number is used for the repair and replacement of existing 3RT10 series contactors. Before selecting this product, it is recommended to check whether the contactor model and power supply frequency are compatible.
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3RT1934-6A
The 3RT1934-6A is a main contact replacement kit for Siemens SIRIUS S2 size contactors. The kit contains 3 movable contacts, 6 fixed contacts, and mounting parts. It is compatible with AC-3 rated contactors of approximately 15 kW and three-pole three normally open main contacts, such as the 3RT1034-1A. The net weight is approximately 0.044 kg. Worn contacts can be replaced directly without disassembling the entire contactor kit.