Siemens 3RT1965-5AU31 Changeover Operating Mechanism for SIRIUS 3RT106/3RT146 Contactors – 240-277V AC/DC, Screw Terminal Original Brand New

Overview

The Siemens 3RT1965-5AU31 is a highly efficient and reliable changeover operating mechanism designed specifically for use with Siemens SIRIUS 3RT106 and 3RT146 contactors. This versatile component enables the control of two separate power circuits, making it ideal for applications requiring a changeover function.

It supports both AC (50-60 Hz) and DC operation with a wide control voltage range of 240 to 277 V. Featuring an intelligent “Standard/Economy” circuit, this operating mechanism optimizes power consumption, reducing energy costs and heat generation. Its robust design and user-friendly screw terminals ensure a secure and straightforward installation process.

Benefit

• Energy Efficiency: The integrated standard/economy circuit intelligently reduces holding power consumption once the contactor is energized, leading to significant energy savings and less heat dissipation.
• Versatile Compatibility: Specifically engineered to integrate seamlessly with Siemens SIRIUS 3RT106 and 3RT146 contactors, ensuring optimal performance and reliability.
• Wide Voltage Range: Operates reliably on both AC (50-60 Hz) and DC power supplies, with a broad voltage range of 240-277 V, providing flexibility for various industrial setups.
• Secure Connection: Equipped with durable screw terminals for a robust and reliable electrical connection, minimizing the risk of wire disconnections under vibration.
• Enhanced Reliability: As a genuine Siemens component, the 3RT1965-5AU31 is manufactured to the highest quality standards, ensuring long-lasting performance in demanding industrial environments.

Function

• Changeover Operation: Facilitates the switching between two distinct circuits, essential for applications such as motor reversing, backup power switching, or other changeover control functions.
• Contactor Control: Provides the necessary electrical impulse to actuate and hold the main contacts of the compatible Siemens 3RT106 and 3RT146 contactors.
• Power Optimization: The standard/economy circuit reduces the coil’s power consumption after the initial pull-in, ensuring efficient and cool operation.

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