SCHNEIDER ELECTRIC LRD22

Schneider Electric Thermal Overload Relay 16-24A LRD22

Description

The Schneider Electric LRD22 is a differential thermal overload relay from the TeSys Deca series, designed for the protection of motors. It provides reliable protection in the event of an overload or phase failure. This unit is intended for direct mounting on TeSys D contactors (LC1D18 to LC1D38) and features a simple manual or automatic reset function.

Specifications

• Manufacturer: Schneider Electric
• Model: LRD22
• Product Range: TeSys Deca (TeSys LRD)
• Thermal Protection Adjustment Range: 16 to 24 A
• Network Type: AC
• Rated Insulation Voltage [Ui]: 690 V conforming to IEC 60947-4-1
• Trip Class: Class 10A conforming to IEC 60947-4-1
• Auxiliary Contacts: 1 NO + 1 NC

Label Info

• Brand: Telemecanique / Square D (Schneider Electric)
• Current Range: 16 – 24A
• Ui: 690V
• Uimp: 6kV
• Standards: IEC/EN 60947-4-1

Application

This thermal overload relay is widely used in industrial automation, HVAC systems, and manufacturing plants to protect AC motors from thermal damage due to overcurrents, ensuring operational reliability and safety.

Country of Origin

Made in France.

CO2 Impact

By purchasing this pre-owned component, you are contributing to a circular economy and helping to avoid approximately 5.0 kg of CO2 emissions that would be generated from manufacturing a new one.

Availability

This item is a used, tested product in excellent working condition. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the function of the blue ‘Reset’ button and how does it differ from the red ‘Stop’ button?

The blue ‘Reset’ button is used to reset the relay after it has tripped due to an overload. It can be set to manual or automatic reset. The red ‘Stop’ button manually trips the relay, which opens the normally closed (NC) contact, effectively stopping the motor. It is used for testing or emergency stop functions.

This is a Class 10A relay. What does ‘Class 10A’ signify in a motor application?

‘Class 10A’ indicates the trip time characteristics of the relay. A Class 10A relay will trip within 10 seconds when the motor is subjected to a locked rotor current, which is typically six times the full load current. This class is suitable for standard motor applications with normal starting conditions.

Can this LRD22 relay be mounted independently, or must it be connected to a specific contactor?

The LRD22 is primarily designed for direct mounting onto Schneider Electric TeSys D contactors (models LC1D18, LC1D25, LC1D32, LC1D38). However, it can also be mounted independently using a separate terminal block accessory (like the LAD7B106), which allows for panel or DIN rail mounting.

Last Update: Friday, March 13, 2026

spareparts2day is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.