Thermal Overload Relay(LRD Series) The new generation relay instead of LR2-D13,D23,D33 Model No.LRD01 LRD02 SpecificationsThermal Relay Thermal Relay LRDThermal Relay LRDLRD thermal relay is suitable for AC 50HZ/60HZ, voltage up to 660~1000V and current up to 0.1~140A, for protecting the phase break when the electric motor overload. The relay has different mechanism and temperature compensation ...