The Schneider Electric LA9FK4K is a mechanical interlock designed for use with TeSys F series contactors. This accessory ensures that two vertical contactors cannot be energized simultaneously, preventing hazardous conditions in motor control circuits. It is a critical component for safety and operational integrity in applications requiring redundant or interlocked switching.

Technical details

• Series: TeSys F
• Product Type: Mechanical Interlock
• Configuration: For 2 vertical contactors
• Functionality: Prevents simultaneous energization of interlocked contactors
• Mounting: Vertical
• Compatibility: Designed for specific TeSys F contactor models; verify compatibility with manufacturer datasheet.
• Material: Durable industrial-grade construction for longevity.
• Operating Principle: Mechanical linkage ensures positive interlocking action.

Applications & compatibility

This mechanical interlock is essential for applications where sequential or mutually exclusive operation of two motor starters is required. Common uses include reversing motor applications, dual-motor systems with alternating duty cycles, and safety interlocks on machinery such as conveyors, pumps, and fans. Ensure compatibility with your specific TeSys F contactor part numbers by consulting the Schneider Electric documentation.

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 LA9FK4K or contact our technical team for cross-reference assistance with compatible TeSys F components.