3RT1955-5AP32

The 3RT1955-5AP32 belongs to the S6 frame 3RT105/3RT145 contactor with a removable coil operating mechanism. Verification data shows it operates on approximately 220V AC/DC, similar to but not identical to the 5AP31 (220-240V).

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Siemens 3RT1955-5AP32 contactor with removable coil operating mechanism, approximately 220V AC/DC

Product Positioning

The 3RT1955-5AP32 belongs to the Siemens SIRIUS large contactor series 3RT105 and 3RT145 (S6 frame) with a removable coil operating mechanism. It is similar in appearance and installation to the 3RT1955-5AP31, with the main difference being the coil's rated voltage. According to product information from the German distributor elektrotools.de, this product is marked with a voltage of approximately 220V (AC/DC universal), while the 5AP31 is marked with a range of 220-240V. Both are versions of the same voltage rating but with slightly different specifications. This type of coil allows users to perform repairs on S6 large contactors by simply replacing the coil module when the coil fails or voltage requirements change, without having to replace the entire contactor body.

Core Product Advantages and Features

Replaceable coil module

The operating mechanism coil can be replaced independently, eliminating the need to replace the entire S6 frame contactor in case of failure, thus reducing maintenance costs.

Approximately 220V AC/DC universal

Verification data shows that the rated voltage is approximately 220V, and it supports both AC and DC operation, belonging to the same 220V voltage level as the 5AP31.

Same series as 5AP31

The coil operating mechanism used in the 3RT105/3RT145 large contactors differs in voltage version due to different model suffixes.

Applicable to large industrial contactors

Suitable for heavy-duty switching applications requiring S6 frame contactors, such as motor control centers and switchboards.

project	Specification
Product Type	Replaceable coil operating mechanism for contactors (incomplete contactor)
Applicable contactors	SIRIUS 3RT105 and 3RT145 series (S6 frame)
Rated operating voltage	Approximately 220V, AC (50/60Hz)/DC compatible (the reference source indicates three sets of 220V values, corresponding to 50Hz/60Hz/DC).
Differences from 5AP31	The 5AP31 is labeled with a voltage range of 220-240V; the 5AP32, according to source verification, has a single voltage value of approximately 220V. The exact official voltage boundary still needs further verification from the original manufacturer's catalog.
Operating mechanism type	Similar to the 5AP31 in the same series, it is presumably a standard/power-saving design (no independent original catalog page could be found to confirm this for the 5AP32 itself).
Terminal type	Screw terminals (following the convention of models 5AP31, 5AF31, etc. in the same series)
brand	Siemens SIRIUS
Remark	Information on this product is limited, and some specifications (such as net weight and power factor) could not be found in the independent manufacturer's documentation. For accurate data, it is recommended to consult Kenxin Motor for assistance.

3RT1955-5AP32

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