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The Schneider Electric LUFN11 is an auxiliary contact module for TeSys U series motor starters, designed for industrial control systems. It provides essential feedback on motor status with 1 normally open (NO) and 1 normally closed (NC) instantaneous contacts, enabling enhanced automation and safety. A key benefit is its clear indication of motor ON/OFF status, irrespective of rotation direction. However, users should note its specific compatibility with TeSys U bases.
| Series | TeSys U |
|---|---|
| Model Part Number | LUFN11 |
| Brand | Schneider Electric |
The LUFN11 module provides auxiliary contacts that signal the ON/OFF status of the TeSys U motor starter, enabling integration with control systems, PLCs, or signaling devices.
It offers one normally open (NO) contact and one normally closed (NC) instantaneous contact.
The contacts are rated for 5A at voltages from 24 to 250V AC/DC.
It is compatible with TeSys U standard bases (LUB12, LUB32, LUB38) and advanced power bases (LUB120, LUB320, LUB380).
No, the module indicates the ON/OFF operational status of the motor, regardless of the direction of rotation.
Yes, it is certified for IEC, UL, CSA, CCC, EAC, and Marine standards.
The LUFN11 snaps directly onto the compatible TeSys U motor starter bases.
Verify the module is correctly snapped onto a compatible TeSys U base. Check wiring connections to the module and ensure they are secure and correctly terminated according to the wiring diagram. Confirm the motor starter itself is functioning and signaling correctly.
Inspect wiring for loose connections. Ensure the module is securely attached to the base. Check for any debris or damage to the contact terminals. Verify the operating voltage is within the specified range (24-250V AC/DC).
Replace the module. Contact Schneider Electric support for assistance with replacement parts and warranty information if applicable.
Setup: The LUFN11 module is designed to snap directly onto compatible TeSys U standard bases (LUB12, LUB32, LUB38) or advanced power bases (LUB120, LUB320, LUB380). Ensure the motor starter base is de-energized before installation. Align the module with the base and firmly press until it clicks into place. Connect the control wiring to the appropriate terminals for the NO and NC contacts according to your control diagram.
Compatibility: This module is exclusively compatible with Schneider Electric TeSys U series motor starters and their associated bases. It is not compatible with other series or brands.
Care: Keep the module clean and free from dust and moisture. Use a dry or slightly damp cloth for cleaning; avoid using solvents or abrasive cleaners. Ensure connections remain secure to prevent intermittent operation. Regular visual inspection for any signs of wear or damage is recommended.
