Transcription of Time-Overcurrent - GE Grid Solutions
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Time-Overcurrent - GE Grid Solutions
GE Multilin115 IACIACTime-OvercurrentTime- overcurrent protection of ACcircuits and and Benefits 6 inverse time/current operating curves Target seal-in units available Instantaneous units available Drawout caseApplications Feeder, AC machines & transformers Applications where operating time is inverseto operating currentProtection and Control Ground and f time O/C and U/C Overload motor protection Instantaneous overcurrent (optional) listing of IAC Models, onpages 310 through 314 is organ-ized by time/ currentcharacteristics into find a known model number:1. See WHERE TO FIND IACMODELS on this page to deter-mine correct table and Turn to that table for sequentiallisting of find a model number for aknown application: 1.
phase or ground overcurrent. They are single phase (although some models contain more than one unit), non-directional, current sensitive, ac devices. The basic operating mechanism (the time unit) produces one of several available operating characteris-tics. The operating time is inversely related to operating current which permits close coor-
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