The Schneider Electric VW3A7730 is a braking resistor designed for use with variable frequency drives (VFDs) in industrial automation systems. This component is engineered to dissipate excess energy generated during motor deceleration, preventing overvoltage conditions within the drive. It is a critical accessory for applications requiring frequent or rapid stopping of motor loads, such as those found in material handling or machine tool operations.

Technical details

• Product Type: Braking Resistor
• Manufacturer Series: Altivar (implied by VW3 prefix)
• Resistance: 100 Ohms
• Power Rating: 0.1 kW (100 Watts)
• Enclosure Rating: IP20 (protected against solid objects greater than 12.5mm, no protection against water)
• Functionality: Dissipates regenerative energy from VFDs during motor braking
• Compatibility: Designed for use with Schneider Electric Altivar variable frequency drives. Specific drive model compatibility should be verified against the manufacturer's datasheet.

Applications & compatibility

This braking resistor is commonly employed in applications where VFDs are used to control motors that experience significant regenerative braking, such as on packaging machinery, conveyor systems, and automated assembly lines. Its inclusion helps maintain stable drive operation and protects the VFD from potential damage caused by voltage spikes during deceleration cycles.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the VW3A7730 or contact our technical team for cross-reference assistance with compatible Altivar drive components.