Schneider LA4KC1B TeSys K - Suppressor module - bidirectional peak limiting d...

The Schneider Electric LA4KC1B is a suppressor module from the TeSys K range, designed for bidirectional peak voltage limiting. It provides effective surge suppression for control circuits operating at 12...24 V DC, protecting contactors and relay coils from damaging voltage spikes. The module features a bidirectional diode for voltage limitation and includes a local LED indicator for status signaling.

Technical specifications:

• Commercial reference: LA4KC1B
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys K
• Product type: Suppressor module
• Suppression technology: Bidirectional voltage limiting diode
• Control circuit voltage: 12...24 V DC
• Maximum peak voltage: 2 x Uc
• Compatible with: LP1K, LP4K, CA3K
• Mounting location: Front face
• Mounting method: Clip-on
• Local indication: LED
• Quantity per set: 5 units
• Dimensions (WxHxD): 6 x 26 x 22 mm
• Product weight: 0.01 kg
• IP protection rating: IP2x per IEC 60529
• Operating temperature: -25...50 °C
• Storage temperature: -50...80 °C
• Standards: UL 60947-5-1, CSA C22.2 No 60947-5-1, EN/IEC 60947-5-1
• Certifications: UL, CSA, CE, UKCA
• Protective treatment: TC per IEC 60068, TC per DIN 50016
• Warranty: 18 months

Features and benefits:

• Bidirectional voltage limiting diode suppresses voltage spikes in both directions, protecting connected control devices
• Clip-on front-face mounting allows fast, tool-free installation directly onto compatible TeSys K devices
• Integrated LED indicator provides local visual confirmation of module status
• Compact 6 mm width minimises space requirements in control panels
• Compatible with LP1K, LP4K, and CA3K devices, offering broad application flexibility within the TeSys K range
• Supplied in a set of 5, reducing per-unit cost for panel builders and system integrators

Applications:

• Overvoltage protection for TeSys K contactor coils in motor control panels
• Surge suppression in industrial automation control circuits operating at 12...24 V DC
• Protection of relay and contactor coils in machine control cabinets
• Control circuit protection in building automation and HVAC systems

Compliant with EN/IEC 60947-5-1, UL 60947-5-1, and CSA C22.2 No 60947-5-1. Part of the Schneider Electric TeSys K range.

Also known as: Schneider LA4KC1B, Schneider Electric LA4KC1B, TeSys K suppressor module, contactor coil surge suppressor.