Square D TeSys SK Auxiliary Contact Block – Model LA1SK02
The Square D LA1SK02 is an auxiliary contact block from the TeSys SK series, providing two normally closed (NC) contacts. It mounts directly onto compatible TeSys SK control relays to expand their contact configuration for additional control circuit functions.
Key Specifications
- Series: TeSys SK
- Contacts: 2 NC (Normally Closed)
- Connection Type: Screw Clamp Terminals
- Manufacturer: Square D (Schneider Electric)
- Model: LA1SK02
Features
- 2 NC contact configuration for normally closed interlocking or signaling circuits
- Designed to mount directly on TeSys SK series control relays
- Screw clamp terminals ensure secure wiring connections
- Compact add-on block expands relay functionality without increasing panel footprint significantly
Applications
Used to add normally closed auxiliary contacts to TeSys SK control relays in motor control centers, automation panels, and industrial control systems. Common applications include interlocking, feedback signaling, and safety circuit integration.





