Technical Specifications (Parameters) Parameter English Value Product Type Differential thermal overload relay Range / Series TeSys / TeSys D / TeSys Deca Protection Adjustment Range 23 ... 32 A Thermal Overload Class Class 10A (conforming to IEC 60947-4-1) Compatible Contactors LC1D40A, LC1D50A, LC1D65A Rated Operational Voltage [Ue] 690 V AC 0...400 Hz for power circuit (conforming to IEC 60947-4-1) Rated Insulation Voltage [Ui] Power circuit: 690 V (conforming to IEC 60947-4-1) Rated Impulse Withstand Voltage [Uimp] 6 kV Auxiliary Contacts 1 NO + 1 NC Conventional Free Air Thermal Current [Ith] 5 A for signalling circuit Phase Failure Sensitivity Tripping current 130% of Ir on two phases, the last one at 0 Tripping Threshold 1.14 ± 0.06 Ir conforming to IEC 60947-4-1 Reset Mode Manual or Automatic (selectable) Degree of Protection IP20 (conforming to IEC 60529) Ambient Air Temperature (Operation) -20 ... +60 °C (no derating) Ambient Air Temperature (Storage) -60 ... +70 °C Temperature Compensation -20 ... +60 °C Mounting Support Under contactor, Plate, Rail (with specific accessories) Net Weight 0.375 kg Dimensions (H x W x D) 123 mm x 55 mm x 123 mm Standards IEC 60947-4-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, GB/T 14048.4, ATEX, UKCA, CCC, EAC, DNV-GL