Siemens 3RT1965-5AT32 Changeover Operating Mechanism 575-600V AC/DC, Spring-Type Terminal for 3RT106/3RT146 Contactors Original Brand New

Overview

The Siemens 3RT1965-5AT32 is a high-quality Changeover Operating Mechanism, specifically designed as a spare part or accessory for the SIRIUS 3RT106 and 3RT146 power contactors. This component, often referred to as a contactor coil or withdrawable coil for size S10 contactors, is crucial for the electrical operation of the main contactor. It ensures reliable and versatile control circuit functionality within industrial control systems.

Key Features and Technical Specification

• Product Number: 3RT1965-5AT32
• Type: Changeover Operating Mechanism / Withdrawable Coil
• Compatibility: Designed for Siemens SIRIUS 3RT106 and 3RT146 power contactors (Size S10).
• Control Voltage: 575 V to 600 V AC (50/60 Hz) / DC operation. This universal AC/DC capability simplifies stock-keeping and application flexibility.
• Operating Mechanism: Features a Standard/Economy Circuit, optimizing power consumption during operation.
• Connection Type: Equipped with user-friendly and reliable Spring-type terminals for quick, vibration-proof wiring.

Benefit

• Reliable Performance: As an original Siemens component, the 3RT1965-5AT32 guarantees seamless integration and the dependable performance expected from the SIRIUS line.
• Dual-Voltage Versatility: The AC/DC operability (575-600V) makes it highly flexible for use in various industrial power supply configurations.
• Cost-Effective Operation: The Standard and Economy circuit mechanism is engineered to reduce power consumption, lowering long-term operating costs.
• Fast and Secure Wiring: Spring-type terminals ensure quick installation and a secure, maintenance-free connection, even in high-vibration environments.
• Easy Replacement: Designed as a withdrawable coil, it allows for quick and simple replacement or changeover without dismantling the entire contactor unit.

Function

The 3RT1965-5AT32 operating mechanism acts as the solenoid coil that, when energized by the specified 575-600V AC or DC control voltage, generates the magnetic force required to pull in the main contacts of the 3RT106 or 3RT146 contactor. The ‘changeover’ feature allows the mechanism to be used in various control applications, and the dual-circuit design manages power efficiently, providing standard pull-in power while maintaining a lower holding power (economy circuit) to prevent overheating and conserve energy. This ensures precise and energy-efficient control of high-current loads connected through the contactor.

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