The Schneider Electric LA9FF4F4F is a mechanical interlock designed for use with TeSys F series contactors. This accessory facilitates the safe operation of multiple contactors by preventing simultaneous engagement, a critical feature in motor control and power switching applications. It is specifically engineered for applications requiring the interlocking of three vertical contactors within a single assembly.

Technical details

• Series: TeSys F
• Product Type: Mechanical Interlock
• Configuration: For 3 vertical contactors
• Functionality: Prevents simultaneous closing of interlocked contactors
• Mounting: Designed for vertical contactor arrangements
• Material: Durable construction for industrial environments
• Compatibility: Specifically designed for Schneider Electric TeSys F contactors

Applications & compatibility

This mechanical interlock is essential for applications where redundant or sequential switching of motor loads is required, such as in reversing motor starters, multi-motor control panels, or safety interlock circuits. It ensures operational integrity and prevents damage to equipment or personnel by enforcing proper switching sequences in systems like conveyor belts, pump controls, and industrial machinery.

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 LA9FF4F4F or contact our technical team for cross-reference assistance with compatible TeSys F components.