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.
Product Positioning
3RT1935-5AD21 is a 42V low-voltage control coil for Siemens SIRIUS S2 size contactors, commonly found in production lines using extra-low voltage safety control circuits. When the contactor body is intact and only the coil is faulty, this part number can be selected to complete the repair without replacing the entire contactor set.
Core Product Advantages and Features
Low voltage 42V specification
The rated voltage is AC 42V, which is suitable for production line designs with safety extra-low voltage control circuits or special power distribution requirements.
Corresponding to S2 size contactor
Specifically designed for the repair and replacement of large contactors in the Siemens SIRIUS S2 size 3RT10 series.
Dual-band 50/60Hz applicable
Based on comparison with the specifications of SIRIUS part numbers, it can be confirmed to operate normally under 50Hz and 60Hz power supply environments.
Screw terminal connection
The screw terminal fixing method makes on-site wiring and replacement work intuitive and convenient.
Original factory registered part number
This is a spare part number officially registered by Siemens, not a coil assembled from parts by a third-party manufacturer or a counterfeit product.
Professional selection service
Kenxin Motors assists in verifying coil voltage and contactor model to avoid malfunctions caused by incorrect installation specifications.
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3RT1935-5AG21
The 3RT1935-5AG21 is a 110V AC coil used with Siemens SIRIUS S2 size contactors. It can operate at 50/60Hz, uses screw terminal wiring, and weighs approximately 0.106 kg per unit. It is suitable for the maintenance of existing 3RT10 series S2 size contactors and can be used as a factory spare part and for emergency replacement.
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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.
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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.