Square D TeSys SK Auxiliary Contact Block — Model LA1SK11
The Square D LA1SK11 is a TeSys SK miniature auxiliary contact block providing one normally open (NO) and one normally closed (NC) contact. Its compact size saves panel space while accommodating up to 4 poles, and screw clamp terminals ensure reliable electrical connections in demanding control applications.
Key Specifications
- Contact Configuration: 1 NO + 1 NC
- Voltage Rating: Up to 690V AC
- Connection Type: Screw Clamp Terminals
- Max Poles: Up to 4
- Series: TeSys SK
- Model: LA1SK11
Features
- Miniature size saves space in compact control panels
- Up to 4 poles for flexible contact configuration
- Screw clamp terminals for secure, vibration-resistant connections
- Rated for 690V AC applications
Applications
Used as an auxiliary contact block for TeSys SK contactors and relays in industrial motor control centers, machine tool panels, and process automation systems. Provides auxiliary contact outputs for control circuit interlocking, status indication, and feedback circuits.




