Specifications

Diversied Electronics 800.727.5646 atcdiversied.com
Diversied Electronics 800.727.5646 atcdiversied.com
 
3-Phase Current Unbalance &
Over Current Monitor




 3-Phase,50/60Hz,600Vmax
 120VAC,50/60Hz
 SeeTableforAdjustableRanges
 5%to25%,Adjustable
 0.1To10SEC,Adjustable;Initiated
  WhenCurrentofAnyPhaserises20%
  AbovetheMax.OperatingCurrent
  SPDT,10amp@240VACResistive
 2%ofUnbalanceSetting
 Operate 1Second,Max.
  Release 100mSEC
 LEDGlowWhenAllConditionsAreNormal
  AutomaticorManual
 Operate 32°to131°F(0°to+55°C)
  Storage -49°to185°F(-45°to+85°C)
  13oz.
Theisdesignedtoprotectthreephaseequipmentagainst
andconditions.
Thecontrolvoltageiscontinuouslyappliedtosupplythesensing
circuitryandtheinternalrelay.Whenthecurrentofanyphaseapproxi-
mately20%abovethemaximumoperatingcurrent,theinrushdelay
begins.Thisdelaydisablestheovercurrentsensorswhilehighinrush
currentsarepresent.Anytimethecurrentsareoutsidethepresetlimits
aftercompletionoftheinrushdelay,theinternalrelaywillde-energize
(Drop-out).
A2%differential(hysteresis)betweenPick-upandDrop-outisincorpo-
ratedtopreventchatteringwhenoperatedintheautomaticresetmode
andthecurrentisatthetrippoint.
Theresetmodeisselectedasfollows:
AUTOMATIC:Placeajumperbetweenpinsten(10)andeleven(11).
MANUAL:Placeanormallyopenswitchbetweenpinsten(10)and
eleven(11).Whenthereisalossandreapplicationofthecontrol
voltage,theexternalswitchmustbeclosedbeforethecircuitwillagain
becomeoperative.
   
   
 CLB-120-ALE-5 120VAC 1.0to5.0amps,
   Adjustable
 CLB-120-ALE-10 120VAC 2.0to10amps,
   Adjustable