Overview
The Square D TeSys SK LA1SK20 is an auxiliary contact block designed to expand the contact capacity of TeSys SK series contactors. With 2 normally open (NO) contacts and screw clamp terminals, this plug-in block mounts directly to the contactor without additional wiring hardware, providing additional control circuit contacts for interlocking, indication, and PLC feedback in motor control and automation applications.
Features
- 2 NO (normally open) contact configuration for control circuit interlocking and signaling
- Plug-in mounting directly onto TeSys SK series contactors for tool-free installation
- Screw clamp terminals for secure, vibration-resistant wiring connections
- Expands contactor auxiliary contact capacity without external relay additions
- Compact design minimizes additional panel space requirements
Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Square D (Schneider Electric) |
| Series | TeSys SK |
| Model | LA1SK20 |
| UPC | 78590186678 |
| Contact Configuration | 2 NO (Normally Open) |
| Connection Type | Screw Clamp Terminals |
| Mounting | Plug-In (on TeSys SK contactor) |
| Product Type | Auxiliary Contact Block |





