small current transformer
MRCurrenttransformerisaveryusefuldevice,itconvertshighACcurrenttosmalleasilymanageablevalue.If
currenttransformershavenobusbar,theyaremanufacturedwithoutprimarywinding.Insteadofthis,itispossibletoconstituteprimarywindingbypassingconductororbusbarinsidetorpidlycoreoftransformer.Furthermore,thesecondaryterminalsareunderatransparentsealablecovers.MRaremanufacturedintwotypesformeasuringandprotection.
Feature:
1.Theaccuracyclassisdesignedbythehighestpermissiblepercentagecurrent(ratio)errorattheratedcurrentperscribedfortheaccuracyclassconcerned.
2.TheElectronicTransformersthestandardsilliconsteelcoremodels,tapewrappingcurrenttransformer,lowcost.
3.Themeasuringcurrenttransformerscanbeusedwithorwithoutfootandplasticcover.
Application:
STANDARD:
IEC6044-1,EN60044-1,VDE0414-44-1,GB1208-2006
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 |
ElectricalParameter
RatedFrequency
50/60Hz
RatedTestVoltage
3KVAC(1MIN)
RatedInput
30A-100A
Placeofinstallation
Indoor
Ratedshort-timethermalcurrent(Ith)
60Ih
Class
Secondarycurrent
5A1A
Altitude
<1000m
Humidity
<80%
Ambienttemperature
-5℃~40℃
Operatingtemperature
-10℃~85℃
Housingself-extingshingclass
VO
Model
Nominalcurrentratio
Burden(VA)Accuracy
RatedVoltage(V)
RatedFrequency(Hz)
Class:0.5
Class1
MR-28
30/5A
---
720
50/60
50/5A
---
720
50/60
60/5A
---
720
50/60
75/5A
720
50/60
100/5A
720
50/60
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