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LRD3322C

The Schneider Electric LRD3322C is a TeSys D series thermal overload relay . It is a differential thermal overload relay designed to protect three-phase motors against overload and phase failure

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Technical Specifications (Parameters) Parameter English Value Product Type Differential thermal overload relay Range / Series TeSys / TeSys D Protection Adjustment Range 17 ... 25 A Thermal Overload Class Class 10A Compatible Contactors LC1D80, LC1D95, and similar Rated Operational Voltage [Ue] 690 V AC 50/60 Hz Rated Insulation Voltage [Ui] 1000 V AC Auxiliary Contacts 1 NO + 1 NC Conventional Free Air Thermal Current [Ith] 5 A Phase Failure Sensitivity Yes, provides phase failure protection Reset Mode Manual or Automatic (selectable) Degree of Protection IP20 Ambient Air Temperature -20 ... +55 °C (operation) Standards IEC 60947-4-1, UL, CSA