Schneider Electric LADR4 TeSys Deca Front Mount Time Delay Auxiliary Contact Block

The Schneider Electric LADR4 is a front-mount time delay auxiliary contact block from the TeSys Deca series, designed for integration with TeSys Deca contactors in industrial automation and control panel applications. The LADR4 provides programmable time delay functionality to sequence or delay control circuit operations, making it an essential component for motor starters, conveyor systems, and process automation assemblies. Weighing just 74 g, it offers a compact and lightweight solution for demanding electrical environments.

Technical Specifications

Applications & Use Cases

• Motor Starters: Provides timed sequencing for star-delta or direct-on-line motor starting circuits paired with TeSys Deca contactors.
• Conveyor & Handling Systems: Enables controlled delay between contactor operations to protect mechanical drive components during start/stop cycles.
• Process Automation: Integrates into PLC-controlled panels where time-delayed auxiliary signals are required for interlocking or sequencing logic.
• Control Panels: Suitable for OEM machine builders and panel assemblers needing compact, reliable time delay functionality on the contactor front face.