Technical Specifications (Parameters) Parameter English Value Product Type Differential thermal overload relay Range / Series Easy TeSys Protect / EasyPact TVS Device Short Name LRE Protection Adjustment Range 37 ... 50 A Thermal Overload Class Class 10A (conforming to IEC 60947-4-1) Compatible Contactors LC1E50 ... LC1E95 Auxiliary Contacts 1 NO + 1 NC Conventional Free Air Thermal Current [Ith] 5 A for signalling circuit Rated Operational Voltage [Ue] ≤ 690 V AC Rated Insulation Voltage [Ui] 690 V (conforming to IEC 60947-4-1) Rated Impulse Withstand Voltage [Uimp] 6 kV Phase Failure Sensitivity Tripping current 130% of Ir on two phases, the last one at 0 (conforming to IEC 60947-4-1) Tripping Threshold 1.14 ± 0.06 Ir (conforming to IEC 60947-4-1) Reset Mode Manual or Automatic (selectable via push-button) Temperature Compensation -20 ... 60 °C Degree of Protection IP20 (conforming to IEC 60529) Control Type Push-button (red stop / green reset) Local Signalling Trip indicator Mounting Support Under contactor, plate, or rail (with specific accessories) Network Type AC Network Frequency 50 ... 60 Hz Connections - Terminals Screw clamp terminals (power: 4…35 mm² / signalling: 1…2.5 mm²) Recommended Tightening Torque Power circuit: 9 N.m / Signalling circuit: 1.7 N.m Associated Fuse Rating 100 A gG / 63 A aM for power circuit; 5 A gG for signalling circuit Dimensions (H x W x D) 54 mm x 70 mm x 113 mm Net Weight 0.46 kg Ambient Air Temperature (Operation) -20 ... 60 °C (without derating) / -20 ... 70 °C (with derating) Ambient Air Temperature (Storage) -60 ... 80 °C Mechanical Robustness Shocks: 6 Gn for 11 ms; Vibrations: 3 Gn Protective Treatment "TH" (humid environment protection) conforming to IEC 60068 Standards IEC 60947-4-1, IEC 60947-5-1