3RT1975-5AF31

Siemens 3RT1975-5AF31 Replaceable Coil 110-127V AC/DC Applicable to S12 Frame
Siemens 3RT1975-5AF31 Replaceable Coil 110-127V AC/DC Applicable to S12 Frame

The 3RT1975-5AF31 is a 110-127V AC/DC replaceable coil suitable for S12 frame large contactors. It weighs approximately 1.34kg and is appropriate for applications with lower control voltages in the 3RT107 series.

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Siemens 3RT1975-5AF31 Replaceable Coil 110-127V AC/DC Applicable to S12 Frame
Product Positioning

The 3RT1975-5AF31 belongs to the Siemens SIRIUS S12 base-mounted large contactor family (3RT107, 3RT127, 3RT147 series) with a replaceable operating coil. Its rated voltage is 110-127V, making it suitable for some North American systems or internal 110V control circuits in machinery. This voltage rating shares the same contactor body and replaceable coil structure as the 220-240V, 380-420V, and 440-480V versions; the only difference is the rated voltage of the coil windings. When purchasing, be sure to confirm the correct part number according to the on-site control voltage to avoid incorrect installation and coil burnout.

Core Product Advantages and Features
110-127V low voltage specification
Rated voltage 110-127V, suitable for use with machines with low control circuit voltage or for connection to North American systems.
Compatible with SIRIUS S12 base
It is compatible with large contactors such as 3RT107, 3RT127, and 3RT147, and has high interoperability with coil specifications of the same series.
Weight approximately 1.34kg
Each coil weighs approximately 1.34 kg, and its packaging is similar in appearance to other coils in the same series, making it easy to prepare materials uniformly.
Replacement design
The coil can be replaced independently, and the entire contactor does not need to be disassembled when troubleshooting or adjusting the voltage level on site.
project Specification
Product Type Replaceable coil (switching operating mechanism), incomplete contactor
Rated control voltage 110-127V
Applicable frequency 50Hz/60Hz (AC), corresponding DC
Applicable contactor base S12
Applicable models 3RT107, 3RT127, 3RT147 series
Wiring method Screw terminals
weight Approximately 1.34 kg
Packaging dimensions Approximately 110 x 125 x 172mm
Place of origin Germany
brand Siemens

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