3RT1975-5AB31

Siemens 3RT1975-5AB31 Replaceable Coil 24V AC/DC for S12 Frame
Siemens 3RT1975-5AB31 Replaceable Coil 24V AC/DC for S12 Frame

The 3RT1975-5AB31 is a 24V AC/DC replaceable coil suitable for large contactors with S12 bases. It weighs approximately 1.436kg and is the lowest voltage version in the series, commonly used in 24V circuits of control panels.

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Siemens 3RT1975-5AB31 Replaceable Coil 24V AC/DC for S12 Frame
Product Positioning

The 3RT1975-5AB31 is a replaceable operating coil for the Siemens SIRIUS large contactor S12 frame series (corresponding to 3RT107, 3RT127, and 3RT147). It has a rated voltage of 23-26V (nominal 24V), making it the lowest voltage version in the series. It is widely used in AC or DC control circuits within control panels that primarily operate at 24V. This coil shares the same replaceable mechanism design with versions in the same series (110-127V, 220-240V, 380-420V, 440-480V). On-site replacement can be completed simply by confirming the correct part number based on the rated voltage; no other changes to the contactor body structure are required.

Core Product Advantages and Features
24V AC/DC universal specification
Rated voltage 23-26V (nominal 24V), AC/DC universal, is the most commonly used version for low-voltage circuits of control panels.
Compatible with SIRIUS S12 base
It corresponds to large contactors such as 3RT107, 3RT127, and 3RT147, and is a member of the same platform coil spare parts family.
Weight approximately 1.436 kg
Each piece weighs approximately 1.436 kg, and the packaging dimensions are approximately 110 x 125 x 172 mm, facilitating material preparation and inventory management.
Replacement design
The coil can be replaced independently, and the entire contactor body does not need to be disassembled when troubleshooting or adjusting specifications.
project Specification
Product Type Replaceable coil (switching operating mechanism), incomplete contactor
Rated control voltage 23-26V, nominal 24V
Applicable frequency 50Hz/60Hz (AC), corresponding DC
Applicable contactor base S12
Applicable models 3RT107, 3RT127, 3RT147 series
Wiring method Screw terminals
weight Approximately 1.436 kg
Packaging dimensions Approximately 110 x 125 x 172mm
Place of origin Germany
brand Siemens

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