3RT1954-7A

Siemens 3RT1954-7A is one of the part numbers in the 3RT1954 spare parts series. This series is known to include the 3RT1954-6A main contact replacement kit applicable to the 3RT1054 (S6 frame) contactor. Kenxin Motor assisted in confirming the actual corresponding item.

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Siemens 3RT1954-7A contactor repair spare parts for S6 frame 3RT1054

Product Positioning

3RT1954-7A is a part number in the Siemens SIRIUS 3RT1954 spare parts series. This series is specifically designed for maintenance of 3RT1054 contactors with S6 frame and AC-3 55kW rating. The confirmed 3RT1954-6A in the same series is a main contact replacement kit with "3 sets of movable contacts plus 6 sets of fixed contacts," which can repair contact wear problems without replacing the entire contactor. Although -7A and -6A both belong to the 3RT1954 series, currently available publicly available distribution information focuses on -6A. The exact contact configuration or rated current corresponding to -7A cannot be independently verified from existing publicly available information. Kenxin Motors recommends that customers provide the model number of their existing equipment or photos of old products to help sales personnel verify the original manufacturer's corresponding items and the availability of stock.

Core Product Advantages and Features

Belongs to the 3RT1054 spare parts series

It belongs to the same 3RT1054 (S6 frame) contactor repair spare parts family as the confirmed 3RT1954-6A main contact replacement kit.

Cost-saving by eliminating the need for complete unit replacement

These main contact spare parts are designed to allow customers to repair worn contactors at a lower cost, rather than replacing the entire unit.

Applicable to large motor circuits

The corresponding contactor is the 3RT1054, a 55kW-class S6 frame contactor, commonly used in the starting and control circuit maintenance of medium and large motors.

It is recommended to provide equipment information for confirmation.

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

project	Specification
Product Model	3RT1954-7A
To which series	3RT1954 Spare Parts Series (Siemens SIRIUS)
Applicable contactors	3RT1054 (S6 frame, AC-3 55kW rating)
Known items in the same series	3RT1954-6A Main Contact Replacement Kit (3 moving and 6 stationary contacts, 115A/600V)
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.

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3RT1955-4F

The Siemens 3RT1955-4F belongs to the 3RT1955 wiring accessory series used by SIRIUS S6 frame contactors (3RT1054/3RT1055). Other items in the same series include the 3RT1955-4G high current terminal block. It is recommended to check the actual installation method against the equipment nameplate or the original factory drawing.

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.

3RT1946-7A

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.