Schneider Electric Altivar VW3A4552 Line Choke

Description

The VW3A4552 is a three-phase line choke from Schneider Electric, designed for integration with the Altivar series of variable frequency drives (VFDs). It plays a crucial role in improving power quality and protecting the drive by mitigating mains-side disturbances. This choke helps to reduce total harmonic distortion (THD), limit inrush current, and protect the drive's rectifier from line voltage spikes.

Specifications

• Manufacturer: Schneider Electric
• Part Number: VW3A4552
• Product Type: AC Line Choke
• Number of Phases: 3
• Nominal Current: 10 A
• Inductance: 4 mH
• Operating Frequency: 50/60 Hz
• Compatibility: Altivar Drives (e.g., ATV31, ATV61, ATV71)
• Weight: Approximately 2.3 kg

Label Info

• Brand: Altivar / Telemecanique (Schneider Electric)
• Model: VW3A4552
• Specs: L=4 mH, I=10 A, F=50/60 Hz
• Serial/Production Code: EP 20 15 010799

Application

This line choke is typically installed on the input side of a variable frequency drive in applications where power quality is a concern or the mains supply is unstable. It is essential for installations in industrial environments, pump and fan controls, and conveyor systems to ensure reliable operation and compliance with power quality standards.

Country of Origin

Made in Hungary.

CO2 Impact

Reusing this component saves an estimated 35 kg of CO2, which is comparable to the emissions from driving a car for 175 kilometers. Choosing used parts significantly reduces the environmental footprint of industrial maintenance.

Availability

This item is a used, tested component in excellent working condition. It is available for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

A line choke adds impedance to the input of the VFD. This helps to smooth out the input current, reducing harmonic distortion sent back to the power line. It also protects the drive's internal components, like the rectifier diodes, from voltage spikes and inrush currents, thereby increasing the drive's reliability and lifespan.

While technically possible if the current and inductance ratings match the requirements of the other drive, it is always recommended to use the choke specified by the drive's manufacturer. The VW3A4552 is specifically designed and tested for optimal performance and protection with Schneider Electric's Altivar drives.

A failing choke might overheat, which can be detected by discoloration or a burning smell. A complete failure, such as an open winding, would prevent the drive from receiving power. A shorted winding could lead to excessive current draw, tripping upstream circuit breakers without the drive showing a specific fault.

Last Update: Friday, March 13, 2026

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