Siemens 3RT1955-5AV32 Withdrawable Drive for 3RT105/3RT145 Contactors, 380-420V AC/DC, Spring-Type Terminal Original Brand New

Overview

The Siemens 3RT1955-5AV32 is a high-performance, withdrawable drive designed specifically for seamless integration with Siemens 3RT105 and 3RT145 power contactors. This innovative operating mechanism offers exceptional flexibility and reliability, supporting both AC (50-60 Hz) and DC operation with a wide control voltage range of 380-420V.

Its robust design incorporates both standard and economy circuits, providing an efficient solution for a variety of industrial applications. The integration of spring-type terminals ensures quick, reliable, and maintenance-free connections, making installation and wiring a breeze.

Key Benefit

• Enhanced Flexibility: Supports both AC (50-60 Hz) and DC control, allowing for use in a wide range of electrical systems without requiring separate components.
• Energy Efficiency: The integrated economy circuit reduces power consumption and heat generation during continuous operation, leading to lower energy costs and a longer service life for the contactor.
• Rapid & Secure Wiring: Spring-type terminals offer a vibration-proof and gas-tight connection, eliminating the need for retightening and ensuring long-term operational reliability.
• Easy Installation: The withdrawable design simplifies the mounting process, enabling quick and secure integration with compatible Siemens contactors.
• Optimized Performance: Engineered to provide precise and reliable operation for Siemens 3RT105 and 3RT145 contactors, guaranteeing optimal system performance and safety.

Functionality

The 3RT1955-5AV32 serves as the core operating mechanism for Siemens 3RT105 and 3RT145 power contactors. It receives the control signal and converts it into the mechanical motion required to switch the main contactor’s contacts.

• Standard Circuit: Provides full-power operation for initial contactor activation, ensuring a strong and reliable switching action.
• Economy Circuit: Once the contactor is engaged, the economy circuit takes over, maintaining the contactor’s position with significantly reduced holding power. This reduces energy consumption, minimizes heat buildup, and extends the lifespan of the coil and surrounding components.
• Spring-Type Terminals: These terminals utilize a spring-loaded clamping system to secure the wire. This method provides a constant clamping force, which is highly resistant to vibration and thermal cycling, making it ideal for harsh industrial environments.

Technical Specification

• Product Type: Withdrawable Drive for Contactors
• Product Number: 3RT1955-5AV32
• Compatible Contactors: Siemens 3RT105, Siemens 3RT145
• Control Voltage: 380 … 420 V AC (50/60 Hz) / DC
• Connection Type: Spring-Type Terminal
• Operating Mechanism: Standard circuit, economy circuit
• Manufacturer: Siemens
• Series: SIRIUS

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