Schneider Electric's VW3L40020 is an accessory designed for safe torque off (STO) safety functions within their Altivar variable frequency drive (VFD) systems. This component facilitates the implementation of safety integrated solutions, ensuring reliable shutdown capabilities for machinery. It is engineered to connect directly to VFDs that support the STO safety feature, providing a critical link in the safety chain.

Technical details

• Safety Function: Safe Torque Off (STO)
• Connector Type: 1 x M8 female/male connector
• Number of Pins: 4 pins
• Signal Capacity: Supports 2 signals for STO
• Compatibility: Designed for use with Schneider Electric Altivar drives supporting STO
• Functionality: Enables safe disconnection of motor power
• Form Factor: Compact accessory module

Applications & compatibility

The VW3L40020 is integral to safety circuits in industrial automation environments requiring reliable emergency stop or safe state functionality. It is commonly deployed in machine building, packaging lines, material handling systems, and any application where personnel safety is paramount and rapid motor power disconnection is necessary.

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 VW3L40020 or contact our technical team for cross-reference assistance with compatible Altivar drive components.