3RT1946-7A

The Siemens 3RT1946-7A is one of the 3RT1946 spare parts series. This series has been confirmed to include the 3RT1946-6A and 3RT1946-6D main contact replacement kits applicable to the 3RT1046 (S3 frame) contactor. Kenxin Motor can assist in verifying the actual corresponding items.

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Siemens 3RT1946-7A contactor repair spare parts for S3 frame 3RT1046

Product Positioning

3RT1946-7A belongs to the Siemens SIRIUS 3RT1946 spare parts series. This series is a family of maintenance parts designed specifically for the S3 frame 3RT1046 (3RT1044) contactor. The confirmed 3RT1946-6A in the same series is a main contact replacement kit with "3 sets of movable contacts plus 6 sets of fixed contacts," capable of rebuilding an entire three-pole contactor. There is also the 3RT1946-6D, a contact kit for AC-1, 140A, 3NO specifications (the manufacturer indicates it will be replaced by the SIRIUS 3RT2 series). Although -7A belongs to the 3RT1946 series as the above two, its exact contact configuration, rated current, or application cannot currently be independently verified from existing publicly available information. Kenxin Motors recommends that customers provide existing equipment models or photos of old products to help sales personnel verify the correct part number and availability.

Core Product Advantages and Features

Belongs to the 3RT1046 spare parts series

It belongs to the same family of 3RT1046 (S3 frame) contactor maintenance spare parts as the confirmed 3RT1946-6A and 3RT1946-6D.

S3 frame contactor applicable

The corresponding contactor is the Siemens SIRIUS S3 frame series, commonly used in starting and control circuits for small and medium-sized motors.

The same series covers a variety of ratings

The known items in the series cover different usage categories such as AC-3 and AC-1, showing that the 3RT1946 series provides corresponding specifications according to the application.

It is recommended to provide equipment information for confirmation.

Due to limited publicly available information on -7A, it is recommended to provide photos of existing equipment nameplates or old parts so that Kenxin Motor can assist in comparing the correct part number.

project	Specification
Product Model	3RT1946-7A
To which series	3RT1946 Spare Parts Series (Siemens SIRIUS)
Applicable contactors	3RT1046 / 3RT1044 (S3 frame)
Known items in the same series	3RT1946-6A (Main Contact Kit), 3RT1946-6D (AC-1 140A, 3NO Contact Kit)
Product Nature	Spare parts for contactor maintenance, non-independent contactor body
Data status	Detailed specifications for this part number are limited in publicly available information; actual configuration recommendations should be confirmed separately.

Recommend

3RT1954-6A

The Siemens 3RT1954-6A is a main contact replacement kit designed for the S6 frame 3RT1054 contactor (AC-3 55kW). It provides 3 sets of movable contacts and 6 sets of fixed contacts, rated at 115 amps and 600 volts, and is suitable for maintenance and replacement of contactor contacts after wear.

3RT1946-6A

The Siemens 3RT1946-6A is a main contact replacement kit designed for the S3 frame 3RT1046 contactor. It provides 3 sets of movable contacts and 6 sets of fixed contacts. With a No. 2 Phillips screwdriver, the entire set of main contacts of the three-pole contactor can be rebuilt.

3RT1946-6D

The Siemens 3RT1946-6D is a main contact replacement kit designed for S3 frame, three-pole contactors. It is rated AC-1 140 amps and has 3 sets of normally open contacts, including 3 sets of movable and 6 sets of fixed contacts. It is suitable for the repair of older 3RT1046 series contactors.