Schneider Electric LA1KN31 TeSys K 3NO+1NC Front Mount Auxiliary Contact Block

The Schneider Electric LA1KN31 is a TeSys K series front-mounting auxiliary contact block designed to expand the signalling and control capabilities of TeSys K contactors. Featuring a 3NO+1NC contact configuration, this compact add-on block integrates directly onto compatible TeSys K contactors to provide additional switching contacts for control panel automation circuits. Weighing just 45 g, it is a lightweight yet reliable solution for industrial control applications.

Technical Specifications

Applications & Use Cases

• Contactor Expansion: Adds auxiliary switching contacts to TeSys K contactors for enhanced control circuit functionality.
• Control Panel Wiring: Used in industrial control panels to provide feedback, interlocking, and signalling signals.
• Motor Control Centers: Supports motor starter assemblies where additional contact outputs are required for PLC or relay logic.
• Industrial Automation: Suitable for automation systems requiring reliable auxiliary switching in demanding electrical environments.