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Siemens SIRIUS 3RT1955-5AV31 Contactor Accessory

Siemens SIRIUS 3RT1955-5AV31 Contactor Accessory (380-420V AC/DC).

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ManufacturerSiemens

Part number3RT1955-5AV31

Part Number 3RT1955-5AV31

Brand Siemens

Series SIRIUS

Product Type Changeover Operating Mechanism / Withdrawable Drive

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For 3RT105/3RT145 Contactors AC/DC Operation 380-420V Control Voltage Screw Terminals Standard/Economy Circuit Options SIRIUS Modular System

Product description

The Siemens SIRIUS 3RT1955-5AV31 is a withdrawable drive, specifically a changeover operating mechanism, designed for use with Siemens 3RT105 and 3RT145 contactors. This accessory facilitates both AC (50/60 Hz) and DC operation across a voltage range of 380-420V, offering flexibility in power supply configurations.

This component is crucial for building and maintaining motor control circuits. Its standard or economy circuit operating mechanism and screw terminal connections ensure reliable integration into various electrical control panels. It is widely used in industrial automation and motor control applications where dependable contactor operation is essential.

Stanlo Automation, a veteran-owned surplus parts distributor, offers a comprehensive selection of industrial automation components. Sourcing your spare parts from us ensures you have access to quality components, minimizing downtime and maximizing the efficiency of your industrial operations.

Technical specifications

Part Number	3RT1955-5AV31
Brand	Siemens
Series	SIRIUS
Product Type	Changeover Operating Mechanism / Withdrawable Drive
Compatible With	Contactors 3RT105, 3RT145
Control Voltage	AC/DC, 380-420V
Frequency	50/60 Hz (AC)
Terminal Type	Screw Terminal
Operating Mechanism	Standard, Economy Circuit

Common applications

Motor Control Panels

Industrial Automation

Switchgear

Control Circuits

Machine Safety

Compatible systems

Siemens 3RT105 contactors Siemens 3RT145 contactors

Also known as

Siemens 3RT105/3RT145 Coil SIRIUS Contactor Accessory

Replaces / compatible with

This withdrawable drive is designed to operate with Siemens 3RT105 and 3RT145 contactors.

Technical note

Expert tip

When replacing the coil on a 3RT105 or 3RT145 contactor, ensure the correct voltage and frequency ratings of the 3RT1955-5AV31 are matched to the control circuit requirements.

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Frequently asked questions

What contactors is the Siemens 3RT1955-5AV31 withdrawable drive compatible with?

The Siemens 3RT1955-5AV31 withdrawable drive is specifically designed for compatibility with Siemens 3RT105 and 3RT145 contactors, supporting both AC and DC operation at 380-420V.