Specifications

Diversied Electronics 800.727.5646 atcdiversied.com
Diversied Electronics 800.727.5646 atcdiversied.com
 
Phase & Under Voltage Monitor
Theisdesignedtoprotect3-phaseequipmentagainst
and
conditions.
Withnormaloperatingvoltagepresentonallthreephasesintheproper
phasesequence,theinternalrelaywillenergize(PICK-UP).Whenan
incorrectphasesequenceorphaselossoccursorthethree-phaseline
voltagesfalloutsidethepresetunbalanceorundervoltagesettings,the
internalrelaywillde-energize(DROP-OUT).Whenallconditionsreturn
tonormal,therelaywillreset.
TheAdjustableReleaseDelayisprovidedtoignoremomentaryvoltage
fluctuationsthatcausenuisancetripping.20%or>instantaneoustrip
BothDeltaandWyesystemsmaybemonitored.InWyeSystems,con-
nectionstoneutralarenotrequired.
NOTE:Whenaphaseislostwhilethemotorisrunning,acondition
knownasregenerationoccurswhereavoltageisinducedintotheopen
phasenearlyequalinmagnitudetothenormalphase-to-phasevolt-
age.TheSLDseriesisdesignedtodetectthisconditionwhenproperly
adjusted.
TheSLDSeriesisULListedunderULFileNumberE55826.


 SeeTableBelow

 1000VoltsFor8mSEC

  Automatic
 ABC(willnotoperateCBA)
 2%to10%,Adjustable 

 GlowsWhenAllConditionsAreNormal
 Operate 30mSEC
  Release 0.1to20SEC,Adjustable(on
   UnderVoltageonly);100mSECon
   PhaseReversalandUnbalance
 Operate 32°to+131°F(0°to+55°C)
  Storage -49°to185°F(-45°to+85°C)
 4,331,995

  13.5oz.


      
   
SLD-120-ASA 120VAC 95-115Adj.  2.5VAC SPDT,10Amp,Resistive@240VAC A
SLD-230-ASA 208/240VAC 185-230Adj. 3VAMax. 5.0VAC 1/2HP@240VAC
SLD-380-ASA 380VAC 315-390Adj.  10VAC
SLD-440-ASA 440/480VAC 370-460Adj.
SLD-120-ALE 120VAC 95-115Adj.  5VAC DPDT,5Amps,Resistive;345VA, E
SLD-230-ALE 208/240VAC 185-230Adj.   Inductive@240VAC
SLD-380-ALE 380VAC 315-390Adj. 7VAMax 10VAC DPDT,3Amps,Resistive;360VA,
SLD-440-ALE 440/480VAC 370-460Adj.   Inductive@600VAC
Allvoltagereferencedarephase-to-phase.




IND.CONT.EQ.
496Y