Schneider Electric LADN04 Auxiliary Contact Block – 4NC | TeSys D | Front Mount

The Schneider Electric LADN04 Auxiliary Contact Block is a high-quality front-mounted auxiliary contact module designed for TeSys D and TeSys F contactors and control relays. Featuring 4 Normally Closed (4NC) instantaneous auxiliary contacts, it provides reliable status indication and additional control circuits for industrial automation, motor control, electrical control panels, and machine control applications.

Built for durability, dependable switching performance, and convenient installation, the LADN04 is designed to be mounted directly onto compatible contactors and control devices. Its front-mount clip-on design allows quick installation while helping reduce wiring and assembly time inside electrical control panels. The auxiliary contact block provides additional contacts that can be incorporated into control, interlocking, signaling, and monitoring circuits.

The LADN04 is particularly useful where additional normally closed auxiliary contacts are required for controlling or monitoring the operating condition of contactor-based systems. Its instantaneous contact operation allows the auxiliary contacts to respond directly with the main contactor operation, making it suitable for control logic and electrical interlocking applications.

With 4NC auxiliary contacts, the LADN04 provides multiple additional contact points from a single compact module. These contacts can be used for functions such as motor starter interlocking, contactor status indication, control circuit switching, alarm signaling, and automation sequences. This makes the device a practical solution for industrial machinery, motor control centers, HVAC equipment, conveyors, pumps, compressors, and manufacturing systems.

The LADN04 uses screw clamp terminals, providing a secure connection for control wiring and making it suitable for conventional industrial control-panel wiring practices. Its compact construction also helps optimize available space within electrical cabinets while maintaining easy access for installation and maintenance.

As part of the Schneider Electric TeSys family, the LADN04 is intended for use with compatible TeSys contactors and control devices. It is suitable for demanding industrial environments where reliable auxiliary switching and long service life are important requirements.

🔧 Key Specifications Schneider Electric LADN04

💡 Features & Benefits Schneider Electric LADN04

The combination of four normally closed auxiliary contacts, instantaneous operation, and front-mounted installation makes the Schneider Electric LADN04 a useful accessory for expanding the control functionality of compatible Schneider Electric contactors. It can help engineers and technicians implement additional control logic without requiring a separate contactor or relay for every auxiliary function.

The clip-on mounting arrangement also simplifies installation and replacement during panel assembly or maintenance. This can be particularly beneficial in industrial environments where equipment downtime and maintenance time need to be minimized.

🏭 Typical Applications

The Schneider Electric LADN04 can be used in a wide range of electrical and automation systems where additional normally closed contacts are required. In motor control applications, auxiliary contacts can be incorporated into interlocking circuits to help prevent undesired simultaneous operation of equipment. They can also be used for status signaling, control sequences, and other low-power control functions.

📦 What’s Included

Schneider Electric LADN04 Auxiliary Contact Block (4NC)

The package is intended to provide the LADN04 auxiliary contact module for installation with compatible Schneider Electric contactors or control devices. Always verify the exact contactor model, mounting arrangement, electrical ratings, and compatibility requirements before installation.

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