SCHNEIDER ELECTRIC VW3A7703

Schneider Electric VW3 A7 703 Braking Resistor

Description

The Schneider Electric VW3 A7 703 is a high-performance braking resistor designed for use with variable speed drives, notably the Altivar 71 series. This component plays a critical role in dissipating excess energy generated during motor braking, thereby protecting the drive from overvoltage faults and ensuring smooth, controlled deceleration. Its robust construction ensures reliable performance and longevity in industrial settings.

Specifications

• Manufacturer: Schneider Electric
• Brand: Telemecanique
• Model: VW3 A7 703
• Power Rating: 200 W
• Resistance: 28 Ohm
• Maximum Voltage: 600V
• Enclosure: Vented Metal Casing

Label Info

• P(W): 200
• R(Ohm): 28
• Un: 600V
• File: E226619

Application

This braking resistor is essential for applications involving high inertia loads, rapid deceleration cycles, or vertical movements, such as conveyors, elevators, cranes, and material handling systems. It is specifically engineered to integrate with Schneider Electric Altivar drives.

Country of Origin

Made in Germany.

CO2 Impact

Opting for this pre-owned braking resistor prevents the emission of approximately 10.0 kg of CO2 required for the production of a new one. This choice supports a circular economy and reduces industrial waste.

Availability

This is an obsolete item but is available from our stock. Ideal for maintaining or repairing existing installations equipped with Altivar 71 drives. Order now from spareparts2day for expert support and fast delivery.

FAQ

What drive series is the VW3 A7 703 compatible with?

The VW3 A7 703 is primarily designed and specified for use with the Schneider Electric Altivar 71 (ATV71) series of variable frequency drives. Compatibility with other series is not guaranteed by the manufacturer.

Can multiple braking resistors be connected in parallel or series?

While possible in theory, connecting resistors in series or parallel alters the total resistance and power dissipation capacity. This should only be done following strict engineering guidelines provided by the drive manufacturer to avoid damage to the drive or resistor.

What are the signs that a braking resistor needs replacement?

Common signs of failure include overheating (discoloration of the housing), open circuits (drive throws a braking resistor fault), or physical damage to the enclosure or terminals. The drive may also frequently trip on an overvoltage fault during deceleration.

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Laatst bijgewerkt: Friday, March 13, 2026