Schneider Electric LRE21 Easy TeSys Thermal Overload Relay 12-18A

The Schneider Electric LRE21 is an Easy TeSys series thermal overload relay designed to provide reliable overcurrent protection for three-phase motors in industrial automation and control panel applications. With an adjustable current setting range of 12–18 A, the LRE21 offers precise motor protection against sustained overloads, helping prevent motor damage and unplanned downtime. Weighing just 0.47 kg, this compact relay integrates seamlessly into motor starter assemblies.

Technical Specifications

Applications & Use Cases

• Motor Protection: Safeguards three-phase induction motors from sustained overload conditions in pump, fan, and conveyor applications.
• Control Panel Integration: Designed to work within motor starter assemblies in industrial control cabinets and MCC panels.
• Industrial Automation: Suitable for use in manufacturing, HVAC, water treatment, and process control environments where reliable motor protection is critical.