Description
Schneider Electric (Square D) LR2K0310 Overload Relay Overview
The Schneider Electric (Square D) LR2K0310 is a thermal overload relay engineered to provide dependable motor protection across a wide range of HVAC and industrial applications. With an adjustable current range of 2.6 to 3.7 amps, this relay guards motors against damaging overload conditions, phase imbalance, and phase loss — helping extend equipment life and reduce costly downtime.
Key Features
- Adjustable trip current range: 2.6–3.7A
- Designed for use with TeSys K-series contactors for compact, integrated motor starter assemblies
- Thermal overload protection guards against sustained overcurrent conditions
- Phase loss sensitivity helps detect single-phasing before motor damage occurs
- Manual and automatic reset modes for flexible operation
- Trip indicator provides clear visual fault indication
- Compact, din-rail compatible design for easy panel installation
- Part of Schneider Electric’s trusted Square D TeSys K product family
Application
The LR2K0310 is ideal for protecting small motors in HVAC systems, commercial refrigeration, fan and blower assemblies, pump controls, and other motor-driven equipment. Its plug-in design mates directly with compatible TeSys K contactors, simplifying wiring and reducing panel footprint.
Why Choose the Square D LR2K0310
Schneider Electric’s Square D brand is a globally recognized leader in electrical protection and control. The LR2K0310 delivers the reliability and precision motor protection that HVAC professionals and electrical contractors demand, backed by Schneider Electric’s engineering expertise and product support.







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