The Schneider Electric LADR2 timer is a compact pneumatic time-delay auxiliary block designed for use with TeSys D contactors, providing reliable on-delay timing control in industrial automation applications. It mounts directly to the front of compatible contactors without requiring an external power supply and offers an adjustable time range for precise control of switching sequences. Built for durability and ease of installation, the LADR2 timer is commonly used in motor control, sequencing, and safety-related delay functions where simple, dependable timing is required.