Schneider Electric LA9D0902 TeSys D Accessories

Description

The LA9D0902 is a mechanical locking accessory engineered by Schneider Electric for the TeSys D contactor series (9 to 32 A ratings). This mechanical interlock device is designed to prevent simultaneous closure of interlocked contactors, providing reliable safety and coordination in reversing or dual-circuit motor control configurations. Constructed with a compact and robust form factor, it integrates smoothly into standard control panel layouts. Typical industrial applications include motor reversing starter circuits, star-delta starters, and automated machine control panels requiring foolproof electrical interlocking. It is fully compatible with standard Schneider Electric TeSys D contactors.

Features

• Mechanical locking interlock accessory for TeSys D contactors (9 to 32 A)
• Prevents simultaneous activation of coupled contactor units for enhanced safety
• Compact and robust design tailored for industrial control panel integration
• Engineered for reliable mechanical lifespan in demanding switching operations

Applications

• Motor reversing starter circuits and control panels
• Star-delta motor starting configurations
• Dual-contactor safety interlock systems
• Automated machinery and industrial production line motor control

Technical Specifications

Installation Guidelines

• Mount the mechanical locking unit securely between the adjacent TeSys D contactors in accordance with the manufacturer assembly layout instructions.
• Ensure both contactors are properly aligned on the DIN rail or mounting plate before snapping the mechanical interlock mechanism into place.
• Verify free physical movement of the locking lever to guarantee that simultaneous closure is effectively blocked prior to electrical wiring.
• Check control wiring connections to ensure electrical interlocking complements the mechanical interlock setup.