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Siemens 3RT1955-5AR31 Withdrawable Drive, 440-480V AC/DC

Siemens 3RT1955-5AR31 withdrawable drive, 440-480V AC/DC.

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ManufacturerSiemens

Part number3RT1955-5AR31

Voltage 440-480V AC/DC

Frequency 50/60 Hz

Operation Standard, Economy Circuit

Terminals Screw

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CAGE: 9NK75

Withdrawable drive for 3RT105/3RT145 contactors 440-480V AC/DC operation Includes Standard and Economy circuit modes Screw terminal connections Energy efficient operation

Product description

The Siemens 3RT1955-5AR31 is a withdrawable drive designed for Siemens 3RT105 and 3RT145 contactors. It operates on AC (50/60 Hz) or DC voltage within the range of 440 to 480V. This operating mechanism supports both Standard and Economy circuit functions, where the Economy mode helps reduce holding current for energy efficiency and increased component lifespan. It features screw terminals for straightforward connection.

This component is critical for high-voltage industrial applications, ensuring reliable actuation of contactors in demanding environments. It is suitable for use in heavy industries, power generation, and large-scale manufacturing plants.

Stanlo Automation, a proud veteran-owned distributor, offers genuine surplus industrial parts like the Siemens 3RT1955-5AR31. We are committed to providing quality components and excellent service to meet your automation needs.

Technical specifications

Voltage	440-480V AC/DC
Frequency	50/60 Hz
Operation	Standard, Economy Circuit
Terminals	Screw
Compatibility	3RT105, 3RT145

Common applications

High-Voltage Motor Control

Heavy Industry

Power Generation

Manufacturing

Compatible systems

Siemens 3RT105 Siemens 3RT145 SIRIUS 3RT Series

Also known as

Siemens 3RT1955-5AR31 Magnet Coil 3RT19555AR31

Replaces / compatible with

This withdrawable drive is designed for use with Siemens 3RT105 and 3RT145 series contactors.

Technical note

Expert tip

Ensure the correct voltage (440-480V AC/DC) is applied to the 3RT1955-5AR31 to prevent damage and ensure proper operation.

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Frequently asked questions

What is the purpose of the 'Economy circuit' on the Siemens 3RT1955-5AR31?

The 'Economy circuit' on the Siemens 3RT1955-5AR31 reduces the holding current required by the coil once the contactor is energized, leading to lower energy consumption and extended component life.