The Schneider Electric LA1KN403 is an auxiliary contact block from the TeSys K series, designed to expand the functionality of compatible TeSys K contactors. This block features four normally open (NO) contacts, providing additional switching capabilities for control circuits. It is engineered for reliable operation in demanding industrial environments, commonly integrated into motor control panels and automation systems.

Technical details

• Series: TeSys K
• Contact Configuration: 4 Normally Open (NO)
• Terminal Type: Spring terminals
• Mounting Type: Front mounting
• Contact Rating: Auxiliary contacts are rated for control circuit duty. Specific voltage and current ratings for auxiliary contacts should be verified against the main contactor's datasheet and the LA1KN403's manufacturer specifications.
• Operating Temperature Range: Typically designed for industrial ambient temperatures; consult manufacturer datasheet for precise range.
• IP Rating: Auxiliary contact blocks often contribute to the overall enclosure's IP rating when properly installed.
• Certifications: Likely to comply with relevant IEC and UL standards for control components.

Applications & compatibility

This auxiliary contact block is suitable for expanding the control logic of TeSys K contactors in applications such as motor starting, lighting control, and general-purpose switching. It is commonly found in control panels for packaging machinery, material handling systems, HVAC equipment, and other automated industrial processes requiring additional signaling or interlocking functions.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the LA1KN403 or contact our technical team for cross-reference assistance with compatible TeSys K components.