Schneider Electric LADT4 TeSys Pneumatic Timer

Description

The Schneider Electric LADT4 is a pneumatic on-delay time delay block designed for use with TeSys D and TeSys F contactors. It provides reliable and adjustable timing functionality for a wide range of industrial control applications. The timing is easily set via a rotary knob on the front face, with a range from 10 to 180 seconds. This module mounts directly to the front of the contactor, saving panel space and simplifying wiring.

Specifications

• Manufacturer: Schneider Electric
• Part Number: LADT4 / 038597
• Product Range: TeSys
• Type: On-delay pneumatic time delay block
• Time Delay Range: 10...180 s
• Contact Configuration: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Mounting: Front mount
• Rated Insulation Voltage [Ui]: 690 V AC conforming to IEC 60947-5-1

Label Info

• Model: LADT4
• Reference: 038597
• Ith: 10 A
• Standards: IEC/EN 60947-5-1

Application

This timer block is ideal for motor starter circuits, control logic timing, and other automation sequences where a time-delayed action is required after a contactor is energized.

Country of Origin

Made in France.

CO2 Impact

By purchasing this pre-owned component, you help avoid the emission of 2.64 kg of CO2, contributing to a more sustainable industrial environment.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

The LADT4 is designed for direct mounting on Schneider Electric TeSys D contactors (LC1D09 to LC1D150) and TeSys F contactors (LC1F). Always check the specific contactor datasheet for compatibility.

The time delay is adjusted using the large black rotary knob on the front of the unit. The scale is marked from 10 to 180 seconds, allowing for simple and tool-free setting.

No, this is a pneumatic timer. It operates mechanically using the air displaced when the contactor it is mounted on energizes or de-energizes. It does not require any external electrical power supply to function.

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Last Update: Friday, March 13, 2026