3RT1975-5AP31-WH

3RT1975-5AP31-WH is a 220-240V AC/DC replaceable coil suitable for S12 frame large contactors. -WH is the part number version designation. The basic electrical specifications are the same as 3RT1975-5AP31.

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Siemens 3RT1975-5AP31-WH Replaceable Coil 220-240V AC/DC Applicable to S12 Frame
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3RT1975-5AP31-WH is a replaceable operating coil used in Siemens SIRIUS S12 frame-mounted large contactors (3RT107, 3RT127, 3RT147 series). Its basic specification is 220-240V AC/DC, a common coil voltage range for single-phase 220V and some three-phase control power supplies in Taiwan. The "-WH" at the end of the part number indicates an internal Siemens version or ordering notation. Publicly available information confirms that the standard 3RT1975-5AP31 coil body specifications are the standard. Electrical characteristics, applicable frame sizes, and replacement methods are consistent with the AP31 coils in the same series. It is recommended to provide the complete part number for sales personnel to verify the shipped version before purchasing.

Core Product Advantages and Features
220-240V AC/DC specifications
Rated voltage 220-240V, can operate under 50/60Hz AC or corresponding DC power supply, covering common control voltages in Taiwan.
Compatible with SIRIUS S12 base
It is compatible with large contactors such as 3RT107, 3RT127, and 3RT147, and shares the same mechanism design with coils of the same series.
Part number with WH version annotation
The complete part number includes the "-WH" suffix. Please provide the complete string when placing your order to ensure the correct version is shipped.
Replacement maintenance design
The coil can be replaced independently, and the entire contactor does not need to be disassembled when troubleshooting or changing voltage.
project Specification
Product Type Replaceable coil (switching operating mechanism), incomplete contactor
Rated control voltage 220-240V (basic specification)
Applicable frequency 50Hz/60Hz (AC), corresponding DC
Applicable contactor base S12
Applicable models 3RT107, 3RT127, 3RT147 series
Wiring method Screw terminals
Part Number Version The meaning of the "-WH" suffix should be based on Siemens' shipping documentation.
brand Siemens

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