3RT1944-5AN21

The Siemens 3RT1944-5AN21 is a dedicated operating coil for the 3RT1044 (S3 size) large contactor. According to the Siemens coil code system, it is rated for AC 220V, 50/60Hz. It can be replaced individually to extend the contactor's life. Kenxin Motor provides selection assistance and stock availability.

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Siemens 3RT1944-5AN21 coil, 220V AC, for 3RT1044 S3 contactor.

Product Positioning

3RT1944-5AN21 is the operating coil of the Siemens SIRIUS large 3RT10 series contactor, specifically designed for the 3RT1044 (S3 size, AC-3 65A, 30kW/400V) model. Cross-referencing multiple models in the same series using the Siemens coil code system, the AN21 code corresponds to a rated voltage of AC 220V and a frequency of 50/60Hz. Kenxin Motor is an authorized Siemens distributor; we recommend providing a photo of the actual nameplate before placing an order for secondary verification to ensure the model number is correct.

Core Product Advantages and Features

Original factory compatible models

Designed specifically for the operating mechanism of the 3RT1044 (S3 size) large contactor.

220V coil code

Siemens AN21 coil code system comparison, rated AC 220V, 50/60Hz

Replacing separately saves costs

When the coil is damaged, it can be replaced individually; there is no need to replace the entire contactor group.

Kenxin Motor Selection Assistance

Authorized agents assist in verifying nameplate information to reduce the risk of selecting the wrong model.

project	Specification
model	3RT1944-5AN21
Product Type	Contactor operating coil
Rated voltage (code reference)	AC 220V
Rated frequency (code reference)	50/60 Hz
Applicable product series	SIRIUS 3RT10 Large Contactor
Applicable models	3RT1044 (S3 size)
Original brand	Siemens

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3RT1944-6A

The Siemens 3RT1944-6A is a dedicated main contact replacement kit for the 3RT1044 (S3 size, AC-3 65A, 30kW) contactor. It includes movable and fixed contacts and mounting parts, which can extend the contactor's service life and reduce the overall replacement cost. Kenxin Motor provides original factory optional services.

3RT1944-5AP01

The Siemens 3RT1944-5AP01 is a dedicated operating coil for the 3RT1044 (S3 size) large contactor. It is rated for AC 230V, 50Hz single frequency, and uses screw terminal wiring. It can be replaced individually to extend the contactor's life. Kenxin Motor provides original factory genuine product verification.

3RT1944-5AL21

The Siemens 3RT1944-5AL21 is a dedicated operating coil for the 3RT1044 (S3 size) large contactor. According to the Siemens coil code system, it is rated for AC 230V, 50/60Hz dual frequency. It can be replaced individually to extend the contactor's life. Kenxin Motor provides selection assistance.