Schneider Electric LR2K0307

The LR2K0307 is a differential thermal overload relay designed for use with TeSys K contactors. It provides protection for motors rated up to 0.55 kW at 400 V, featuring a thermal setting range of 1.2-1.8 A and a tripping class of 10A. This relay includes phase unbalance protection and is suitable for direct mounting on the lower terminals of TeSys K contactors.

Operational features include manual test and reset buttons, an automatic reset option, and a trip auxiliary contact with a flag indicator. The device is compact, measuring 45 mm in width, 58 mm in height, and 65 mm in depth, weighing only 0.145 kg. It is designed to withstand a variety of environmental conditions, with an operating temperature range of -20 to 55 °C without derating, and can operate at altitudes up to 2000 meters.

The relay conforms to multiple standards, including IEC 60947 and UL, and is certified under various international regulations. It is also compliant with Green Premium criteria, indicating its adherence to sustainability practices. The unit is equipped with IP2X protection and demonstrates mechanical robustness under shock and vibration conditions.