SCHNEIDER ELECTRIC VW3A7732

Schneider Electric VW3A7732 Altivar Braking Resistor

Description

The VW3A7732 is a high-quality braking resistor from Schneider Electric, designed for use with their Altivar series of frequency inverters. This unit helps manage the kinetic energy of a decelerating load by converting excess electrical energy into heat, which is then dissipated. This process ensures smooth, controlled stopping and protects the drive from overvoltage faults, enhancing system reliability and safety.

Specifications

• Manufacturer: Schneider Electric
• Part Number: VW3A7732
• Product Type: Braking Resistor
• Power Rating (continuous): 0.3 kW
• Resistance Value: 28 Ohm
• Max Voltage: 600V
• Protection Index: IP20

Label Info

• Brand: Schneider Electric
• Model: Altivar VW3A7732
• Electrical Characteristics: P(kW): 0.3, R(Ohm): 28

Application

This braking resistor is ideal for applications requiring frequent or rapid deceleration, such as conveyors, hoisting equipment, and other industrial machinery controlled by Altivar variable frequency drives.

Country of Origin

Made in Germany.

CO2 Impact

By choosing this pre-owned component, you are preventing the emission of approximately 7.0 kg of CO2, which would be generated in the production of a new one. This is a smart choice for both your budget and the environment.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What Altivar drive series is the VW3A7732 compatible with?

The VW3A7732 is designed as a standard accessory for a wide range of Schneider Electric Altivar drives, including the Altivar 320, 340, Machine ATV320, and Process ATV600/ATV900 series. Always check the drive’s manual for the correct resistor sizing.

What is the purpose of a braking resistor in a VFD application?

A braking resistor is used to dissipate excess regenerative energy generated when a motor is decelerated or stopped quickly. This energy flows back to the drive’s DC bus. The resistor converts this electrical energy into heat, preventing the drive from tripping on an overvoltage fault.

Does the VW3A7732 require external thermal protection?

Yes, for optimal safety and to protect against overheating, Schneider Electric recommends using a thermal switch or probe integrated with the drive’s control logic. The resistor housing is ventilated (IP20), but it can get very hot during operation, so proper mounting with adequate airflow is critical.

Last Update: Friday, March 13, 2026

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