... failure, rotor-locked, PTC protection etc Technical parameter setting by keyTechnical parameters:FeaturesMicroprocessor basedSplit designOverload, underload, ... rotor-locked, PTC protection etcTechnical parameter setting by keyLCD display for current, faults etc, measuring ... communication port, network built4mA~20mA analog output selectableMain technical dataUnderload protection: (20%~90% adjustable) * ...