The Schneider Electric LA9FF4F is a mechanical interlock designed for use with two vertical contactors within the TeSys F series. This accessory ensures that only one contactor can be energized at a time, preventing simultaneous operation and protecting the system from damage. It is commonly employed in motor control applications where redundant or sequential switching is critical.

Technical details

• Series: TeSys F
• Product Type: Mechanical Interlock
• Configuration: For 2 vertical contactors
• Functionality: Prevents simultaneous energization of two contactors
• Mounting: Designed for vertical contactor arrangements
• Compatibility: Specifically engineered for Schneider Electric TeSys F contactors
• Construction: Robust mechanical linkage for reliable operation

Applications & compatibility

This mechanical interlock is essential for applications requiring fail-safe operation and protection against short circuits or equipment damage caused by simultaneous contactor engagement. It is frequently integrated into motor starter assemblies for conveyor systems, pumps, fans, and other industrial machinery where redundant control is a safety requirement.

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 LA9FF4F or contact our technical team for cross-reference assistance with compatible TeSys F components.