The Schneider VW3A7818 is a braking resistor designed for use with Schneider Electric's Altivar variable frequency drives. This component is engineered to dissipate excess energy generated during motor deceleration, preventing overvoltage conditions and ensuring controlled stopping of machinery. Its inclusion in the Altivar accessory line signifies compatibility with a broad spectrum of Altivar drive models, facilitating robust braking solutions for demanding industrial applications.

Technical details

• Series: Altivar
• Ohmic Value: 5 Ohms
• Average Power Rating: The specific average power rating for the VW3A7818 is not explicitly defined by the part number alone. Buyers should consult the Schneider Electric datasheet for precise power dissipation capabilities.
• Peak Power Rating: The peak power handling capacity is dependent on the duty cycle and duration of braking events. Refer to the manufacturer's documentation for detailed specifications.
• Connection Type: Screw terminals are typically utilized for secure electrical connections.
• Enclosure: The resistor is housed within a protective enclosure suitable for industrial environments.
• Dimensions: Specific physical dimensions are not encoded in the part number. Please refer to the product datasheet for exact measurements.
• Cooling Method: Natural convection is the standard cooling method for this type of braking resistor.

Applications & compatibility

This braking resistor is essential for applications requiring rapid or controlled deceleration of motor loads, such as those found in packaging machinery, material handling systems, and machine tools. It is specifically designed to integrate with Schneider Electric Altivar variable frequency drives to manage regenerative energy effectively, thereby protecting the drive and ensuring operational safety.

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 Schneider VW3A7818 or contact our technical team for cross-reference assistance with compatible Altivar drive components.