TELEMECANIQUE LB1LC03M32

Telemecanique LB1LC03M32 Thermal Overload Relay Description The Telemecanique LB1LC03M32 is a 3-pole thermal overload relay designed to protect motors from overcurrents, phase loss, and prolonged starting times. It offers a wide, adjustable current setting range from 23A to 32A, making it suitable for a variety of motor applications. This relay is engineered for direct mounting onto Telemecanique LC1-D series contactors, providing a compact and efficient motor starter solution. Specifications Manufacturer: Telemecanique (Schneider Electric) Model: LB1LC03M32 Product Type: Thermal Overload Relay Number of Poles: 3 Thermal Protection Adjustment Range: 23 to 32 A Rated Insulation Voltage (Ui): 690V AC Trip Class: Adjustable Class 10 / Class 20 Mounting: Direct mount on contactor Label Info Brand: Telemecanique Model: LB1 LC03M.. Ui: 690V a.c. max. Certifications: UL, SP, NOM, CE Application This relay is ideal for protecting AC motors in industrial environments, including applications such as pumps, fans, conveyors, and machine tools, particularly where reliable overload protection is critical. Country of Origin Made in France. CO2 Impact Opting for this pre-owned component avoids the emission of approximately 6 kg of CO2 compared to manufacturing a new one. This choice supports sustainable industrial practices. Availability This item is a reliable, tested component from our inventory. Order now from profideals for expert support and fast delivery. FAQ What contactors is the LB1LC03M32 compatible with? The LB1LC03M32 is designed for direct mounting on Telemecanique (Schneider Electric) TeSys D-line contactors, specifically models LC1-D09, LC1-D12, LC1-D18, LC1-D25, LC1-D32, and LC1-D38. How do I set the trip class between Class 10 and Class 20? On the side of the relay, there is a small dial labeled “CLASS”. Using a flat-head screwdriver, you can turn this dial to select either the Class 10 or Class 20 trip curve. Class 10 is for standard motor starting conditions, while Class 20 is for heavy-duty applications with longer start times. Does this relay have a manual or automatic reset function? Yes, the LB1 series features a selectable manual/automatic reset function. This is typically controlled by a blue push-button on the front of the unit. Pushing it in selects manual reset, while pulling it out selects automatic reset. It also features a red ‘Stop’ button and a yellow ‘Trip’ indicator. profideals 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. Last Update: Friday, March 13, 2026