GENERAL CHARACTERISTICS ITEM DESCRIPTION | 115.0 V,60 HZ,3 PHASE INPUT POWER RQMT,50 TO 70 FREQ SENSE BAND,1 SECOND DROP-OUT TIME DELAY,2 SECOND PICK-UP TIME DELAY,USED TO SENSE VOLTAGE,FREQUENCY AND PHASE CHARACTERISTICS OF SINGLE OR 3-PHASE POWER LINES,ALLOWING NORMAL OPERATION OF SYSTEM LOADS WHEN THE POWER LINE CHARACTERISTICS ARE WITHIN PREDETERMINED LIMITS |