low voltage current transformer
MRCurrenttransformerisaveryusefuldevice,itconvertshighACcurrenttosmalleasilymanageablevalue.If
currenttransformershavenobusbar,theyaremanufacturedwithoutprimarywinding.Insteadofthis,itispossibletoconstituteprimarywindingbypassingconductororbusbarinsidetorpidlycoreoftransformer.Furthermore,thesecondaryterminalsareunderatransparentsealablecovers.MRaremanufacturedintwotypesformeasuringandprotection.
Feature:
1.Theaccuracyclassisdesignedbythehighestpermissiblepercentagecurrent(ratio)errorattheratedcurrentperscribedfortheaccuracyclassconcerned.
2.TheElectronicTransformersthestandardsilliconsteelcoremodels,tapewrappingcurrenttransformer,lowcost.
3.Themeasuringcurrenttransformerscanbeusedwithorwithoutfootandplasticcover.
SPECIFICATION:
Primarycurrent: |
30A-5000A |
Secondarycurrent: |
5A,1A |
Standardapproval: |
IEC6044-1,EN60044-1,VDE0414-44-1,GB1208-2006 |
Maximumvoltage: |
|
Frequency: |
50/60Hz |
Ratedload: |
|
Class: |
|
Short-timethermalcurrent: |
Ith=60*ih |
Ratedsecuritycoefficient: |
FS<5 |
TechnicalParameters
ElectricalParameter |
||||
RatedFrequency |
50/60Hz |
RatedTestVoltage |
3KVAC(1MIN) |
|
RatedInput |
300A-800A |
Placeofinstallation |
Indoor |
|
Ratedshort-timethermalcurrent(Ith) |
60Ih |
Class |
||
Secondarycurrent |
5A1A |
Altitude |
<1000m |
|
Humidity |
<80% |
Ambienttemperature |
-5℃~40℃ |
|
Operatingtemperature |
-10℃~85℃ |
Housingself-extingshingclass |
VO |
TechnicalData
Model |
Nominalcurrentratio |
Burden(VA)Accuracy |
RatedVoltage(V) |
RatedFrequency(Hz) |
|
Class:0.5 |
Class1 |
||||
MR-60 |
300/5A |
5 |
720 |
50/60 |
|
400/5A |
5 |
720 |
50/60 |
||
500/5A |
5 |
10 |
720 |
50/60 |
|
600/5A |
10 |
720 |
50/60 |
||
800/5A |
10 |
720 |
50/60 |
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