Technical Specifications Current range: 1–10A adjustable; 3-phase sensing; 24V DC control supply; trip class: Class 10, 15, 20, 30 selectable; phase loss, phase imbalance, undercurrent, ground fault protection; operating temperature: -20°C to +60°C; UL, CSA, IEC 60947-4-1 certified.
Functional Features Microprocessor-based thermal modeling; adjustable trip class; multiple fault protection functions; fault memory and indication; remote reset capability; auxiliary signal contacts.
Application Scenarios Three-phase motor overload protection, pump and fan motor protection, conveyor drive protection, industrial motor control centers.
Performance Parameters High current measurement accuracy; precise thermal motor modeling; fast fault response; repeatable trip accuracy.
Material Composition Flame-retardant plastic housing, current transformers, microprocessor circuit board, copper current conductors, relay output contacts.
Structural Characteristics DIN rail mountable module, front display and setting buttons, top and bottom power terminals, auxiliary contact terminals.
Working Principle Internal current transformers sense motor phase currents.
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