Thermal Overload Relay LR2-D33 (23–32A) – Motor Protection Relay with 1NO/1NC, IEC Rated

Overview – Heavy-Duty Overload Protection for Industrial Motors

The Shopcorp LR2-D33 series thermal overload relay is built for reliable protection against overload, overheating, and phase failure in HVAC systems, industrial motors, and automation equipment. Designed for compatibility with LC1-D contactors, it delivers precise trip performance and long-term operational stability.

High-Capacity Relay for HVAC, Compressors & Motor Loads

With a 23–32A protection range, this overload relay is ideal for medium and large horsepower motors used in pumps, fans, compressors, conveyors, and industrial machinery. Thermal and temperature compensation ensures consistent trip accuracy under changing ambient conditions.

Compact, Durable

Engineered for space-efficient panel integration, the LR2-D33 features a robust body measuring 93 × 55 × 64 mm. Its 1NO + 1NC auxiliary contacts provide reliable status signaling for automation circuits, safety interlocks, and control panels.

IEC-Compliant Motor Protection

Designed with high-quality materials for industrial durability, this overload relay meets IEC performance and safety standards—ensuring dependable protection and long mechanical service life in demanding motor applications.