Specifications

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 
Current Transformers

Theareoftheinsertedprimarytypewith
thesecondarytoroidallywoundoveracoreoforientedelectricalsteel.
Thewindingsarecarefullyinsulated.Theentiretransformeristhen
dippedinPVCinsulationcompoundwhichinsuresmaximumprotec-
tionagainstmoisture,acids,alkaline,oilsandabrasiveparticles.
Thesecurelyfastened24”14AWGleadsareidentifiedtotheextent
thatthesecondarycurrentleavingtheCTthroughthewhiteleadis
inphasewiththeprimarycurrentwhentheprimaryconductorenters
theCTfromthesideidentifiedbytheblackdot.Topreventshockand
transformerdamage,itisimportantthatthesecondaryleadsalways
formacontinuouscircuitwhenthecurrentisflowingintheprimary.
AnExternalCTmaybeusedtoextendtherangeoftheACCurrent
Monitors.



• 600VoltInsulation
• 25-400HzOperation
• 25/5to2500/5Amperes
• OptionalMountingBracket(AddSuffix-Btopartnumber)
      
 CT-25/5 25/5 2V.A. 6.00% 1 3lb.5oz.
 CT-50/5 50/5 2V.A. 6.00% 2 1lb.6oz.
 CT-100/5 100/5 2V.A. 3.00% 3 1lb.4.5oz.
 CT-200/5 200/5 2V.A. 1.50% 3 15oz.
 CT-500/5 500/5 2V.A. .60% 3 1lb.1oz.
CT-1000/5 1000/5 2V.A. .30% 4 3lb.
CT-2500/5 2500/5 5V.A. .10% 5 3lb.4oz.
NOTES:
1.Thecurrentratiointhetableistheratioofcurrentintheprimary/
secondarywithoneturnontheprimary.Theratiocanbeincreasedby
addingturnsontheprimary.
2.Thetransformersmaybeinstalledatsomedistancefromtheload.
However,theinterconnectingconductorresistancemustnotcausethe
VAratingofthetransformertobeexceeded.
3.CTsshouldnotbeoperatedattwicetheratedcurrents.Forexample,
CT-25/5shouldnotoperateabove50/10amps.Withcurrenttoohigh
overheatingwilloccur.

        
 1 1-1/4 3-3/4 2-3/4 5-1/4 4 2-1/8 0.281x0.5
 2 1-1/4 3-7/8 1-1/4 4-1/2 3-7/8 7/8 0.250x0.375
 3 1-1/4 3-1/2 1-1/4 4-1/2 3-7/8 7/8 0.250x0.375
 4 1-7/8 4 1-1/4 4-1/2 3-7/8 7/8 0.250x0.375
 5 3-3/8 6-1/2 1-11/16 7-7/8 6-1/2 1-1/8 0.281x.5