... 3.OEM,ODM services LR2 Thermal overload relay This series of Thermal overload relay,overload relay,thermal relay,relay can be used ... the phase break when the electric motor is overload.A. Fundamental parameter of the main circuit:(a ... setting current and setting.(d). Current of the thermal component (see Table below)B. Auxiliary circuit(a ... Rated frequency 50-60HZ. LR2 Schneider Thermal Overload Relay