3RT1934-5AL21
The 3RT1934-5AL21 is a 230V AC control coil used with Siemens SIRIUS S2 size contactors. According to the SIRIUS series part number comparison, it is confirmed to be a 50/60Hz dual-frequency specification. It has screw terminal connection and original factory registered spare part number. It is suitable for repairing existing 3RT10 series contactors. The coil can be replaced to restore the operating function.
Product Positioning
The 3RT1934-5AL21 is a 230V AC control coil for Siemens SIRIUS S2 size contactors, suitable for European standard or 230V single-phase control circuit production line equipment. In case of coil failure, it can be directly replaced without replacing the entire contactor mechanism, effectively saving maintenance costs and downtime.
Core Product Advantages and Features
AC230V specification
The rated voltage is AC 230V, suitable for use in 230V control circuits or European standard power supply environments.
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 operations simple and intuitive.
Original factory registered part number
This is a Siemens original and officially registered spare part number, not a commercially available aftermarket imitation coil.
Professional selection and matching consultation
Kenxin Motors assists in verifying coil voltage and contactor model to avoid malfunctions caused by incorrect installation specifications.