Siemens 3RT1955-5AR31 Withdrawable Drive for 3RT105/3RT145 Contactors, 440-480V AC/DC, Screw Terminal Original Brand New

Overview

The Siemens 3RT1955-5AR31 is a highly versatile and essential withdrawable drive designed specifically for use with Siemens 3RT105 and 3RT145 power contactors. This operating mechanism provides flexible control for industrial applications, supporting both AC (50-60 Hz) and DC power supplies with a wide voltage range of 440 to 480 V.

It features both "Standard" and "Economy" circuit operating modes, allowing for efficient power consumption and tailored performance. The robust screw terminals ensure a secure and reliable electrical connection, making it ideal for a wide range of industrial control and automation systems.

Key Features & Benefit

• Universal Compatibility: Designed to seamlessly integrate with Siemens 3RT105 and 3RT145 contactors, ensuring a perfect fit and reliable operation.
• Dual-Circuit Operation: Includes both a "Standard" circuit for full performance and an "Economy" circuit for reduced power consumption and heat generation, optimizing energy efficiency.
• Wide Voltage Range: Operates reliably on both AC (50-60 Hz) and DC power sources within the 440-480 V range, offering exceptional application flexibility.
• Easy Installation: The withdrawable design simplifies installation, maintenance, and replacement, minimizing downtime.
• Secure Connections: Equipped with sturdy screw terminals for a strong, vibration-resistant, and dependable electrical connection.
• High Reliability: Manufactured by Siemens, a global leader in industrial automation, ensuring a product of the highest quality and durability.

Function

The Siemens 3RT1955-5AR31 serves as the electromechanical interface for 3RT series contactors. It receives the control signal (440-480 V AC/DC) and actuates the contactor's main contacts, allowing for the switching of high-power loads. The selectable "Economy" circuit reduces the holding current once the contactor is engaged, which significantly lowers energy usage and extends the lifespan of the coil and contactor.

Technical Specification

• Product Type: Withdrawable Drive / Operating Mechanism
• Product Number: 3RT1955-5AR31
• Compatibility: Siemens 3RT105 and 3RT145 contactors
• Operating Voltage: 440-480 V AC (50/60 Hz) / DC
• Operating Modes: Standard, Economy Circuit
• Terminals: Screw Terminals
• Manufacturer: Siemens
• Series: SIRIUS

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