Telemecanique LB1-LC03L22 Thermal Overload Relay

Description

The Telemecanique LB1-LC03L22 is a robust 3-pole thermal overload relay designed for motor protection applications. It offers an adjustable current setting from 16 to 25 Amperes, providing precise protection against overcurrents and phase loss. This legacy component is known for its durability and is designed for direct mounting onto compatible Telemecanique LC1-D series contactors, ensuring a secure and reliable connection. It is an ideal replacement part for maintaining existing industrial control systems. Order now from PLC2Day for expert support and fast delivery.

Specifications

• Manufacturer: Telemecanique (Schneider Electric)
• Model: LB1-LC03L22
• Type: Thermal Overload Relay
• Number of Poles: 3
• Current Setting Range: 16-25 A
• Rated Insulation Voltage (Ui): 660V AC max.
• Mounting Style: Direct Mount on Contactor
• Reset: Manual / Automatic selectable

Label Info

• Brand: Telemecanique
• Model: LB1-LC03L22
• Ui: 660V a.c. max.

Application

This thermal overload relay is used in motor control circuits to protect three-phase asynchronous motors from damage caused by overloads or phase failures. It is commonly found in industrial machinery, conveyor systems, pumps, and HVAC applications.

Country of Origin

Made in France.

CO2 Impact

By purchasing this pre-owned relay, you are contributing to a circular economy and helping to save 8.0 kg of CO2 emissions compared to buying a new one. This is equivalent to driving a car for approximately 40 kilometers.

Availability

This is a used item and availability is limited. The product is in good working condition but may show signs of cosmetic wear.

FAQ

The LB1-LC03L22 thermal overload relay is specifically designed for direct mounting on Telemecanique LC1-D series contactors, such as the LC1-D25, LC1-D32, and LC1-D38 models.

This relay features a manual/auto reset function. The blue button on the front can be used for a manual reset. To select between manual and automatic reset modes, there is usually a selector switch, often integrated with the reset button.

The dial is used to set the full-load current (FLA) of the motor it is protecting. For this model, you can adjust the trip current setting within the range of 16 to 25 Amperes to accurately match your motor's specifications.

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Last Update: Friday, March 13, 2026