The Schneider Electric VW3A7708 is a braking resistor designed for use with variable frequency drives (VFDs) to dissipate excess energy generated during motor deceleration. This component is integral to VFD systems that require controlled braking, preventing overvoltage conditions and protecting the drive and motor.

Technical details

• Series: Altivar
• Product Type: Braking Resistor
• Resistance: 4 Ohms
• Power Rating: 1000 Watts (1 kW)
• Enclosure Protection: IP20
• Application: Energy dissipation for VFD braking
• Functionality: Limits peak DC bus voltage during regenerative braking
• Compatibility: Typically used with Schneider Electric Altivar VFDs requiring external braking resistors; consult manufacturer documentation for specific model compatibility.

Applications & compatibility

This braking resistor is commonly employed in industrial automation applications where rapid deceleration of motor loads is required. Examples include packaging machinery, material handling systems, CNC machines, and any process requiring precise speed control and stopping capabilities. Its integration helps ensure the stable operation of variable frequency drives in demanding environments.

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 VW3A7708 or contact our technical team for cross-reference assistance with compatible Altivar components.