Square D TeSys K LA1K Auxiliary Contact Block – Model LA1KN13
The Square D LA1KN13 is an LA1K series auxiliary contact block for TeSys K series contactors, providing a 1 NO + 3 NC, 4-pole contact configuration. Rated at 10A and 600V AC, it acts as a secondary switching device working in conjunction with primary control devices such as contactors, relays, or circuit breakers.
Key Specifications
- Series: TeSys K (LA1K)
- Product Type: Auxiliary Contact Block
- Contact Configuration: 1 NO + 3 NC
- Poles: 4
- Current Rating: 10A
- Voltage Rating: 600V AC
- Connection Type: Screw Clamp Terminals
- Mounting: Front Clip-On
- Manufacturer: Square D (Schneider Electric)
- Model: LA1KN13
Standards and Certifications
- EN/IEC 60947-5-1
- UL 60947-5-1
- CSA C22.2 No 60947-5-1
- GB/T 14048.5
- JIS C8201-5-1
- UL 60335-2-40:Annex JJ
Features
- 1 NO + 3 NC configuration provides flexible control circuit options
- 4-pole design adds significant switching capability to contactor assemblies
- Works as a secondary switching device alongside contactors, relays, or breakers
- Front clip-on mounting for quick, tool-free installation on TeSys K devices
- Screw clamp terminals for secure wiring
Applications
Used in motor control centers, industrial automation panels, and relay logic systems to provide multiple auxiliary contact points for interlocking, feedback, and signaling functions in conjunction with TeSys K series contactors and relays.




