DP current transformer clamp on
HKseriesopentypecurrenttransformersaredesignedinPaticularforconvenientinstallation.Thequickreleasebuttonmakesthiscurrenttransformertheeasiestandquickesttofitaroundcables.Theconnectionofordinarycurrenttransformersneedpauseprimarycurrenttoletcableandbus-barpassthroughthecoreofcurrenttransformers.ThecoreofHKseriesopentypecurrenttransformerscaneasilybeopened.Installationandconnectioncanbeavailablewithoutcuttingoffthecircuitry,soitcansavetimeandinstallationcost.Basedonabovefeatures,opentypecurrenttransformerhasmoreadvantagesinaddingCTaftermaintainingandcircuitry.
Feature:1)Onebuttonclamp-ondesign,safe,easytoinstall,portable.
2)Twobuiltinfixingmethods:Base;Busbarmounting3)Wideinnerwindow,allowingclampingofbigcablesorbus-bars.4)Widerangeofsizestoaccommodatealltheexistinginstallations.5)Primarycurrentfrom5Ato5000A.
Advantage:1.AllthecasesaremadeofimportUSAdupontPAmaterials,nottheABSmaterialcase,
Sothetemperatureendurenceismuchhigher;2.Allthecoresaremadeofimportedhighestqualitysiliconironsheet,Sothecore'smagnetic
performanceismuchhigher;3.Alltheparametersaredoublecross-checked,sothetestingresultsismuchensured!4.Smallsizeandeasymounting5.Wideinnerwindow,allowingclampingofbigcablesorbusbars6.Widerangeofsize
Applications:
1)Currentmeasurement,monitoringandprotectionforelectricalwiringandequipment.
2)Currentandpowermeasurementforelectricmotors,lighting,aircompressor,heatingand
ventilationsystem,air-conditionequipmentandautomation-controlsystem.
3)Current,powerandenergymonitoringdevice.
4)Relayprotectiondevice.
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Primarycurrent: |
5A-5000A |
|
Secondarycurrent: |
0-5A |
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Standardapproval: |
IEC44-1,BS7626 |
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Maximumvoltage: |
|
|
Frequency: |
50/60Hz |
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Ratedload: |
1VA-30VA |
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Class: |
|
|
Short-timethermalcurrent: |
Ith=100xIn |
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Ratedsecuritycoefficient: |
FS<5 |
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ElectricalParameter |
MechanicalParameter |
|||
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Frequency |
50-400Hz |
Case |
PC/UL94-V0 |
|
|
RatedInput |
250A-1000A |
Bobbin |
PBT |
|
|
Measuringrange |
5%In-130%In |
Core |
Siliconsteel |
|
|
RatedOutput |
0-5A |
Internalstructure |
Epoxy |
|
|
Ratio |
≤±0.5% |
Construction |
Screw |
|
|
Phaseangle |
≤±30min |
OperatingTemp |
-25ºC~+75ºC |
|
|
Dielectricstrength |
OperatingHumidity |
≤85% |
||
|
InsulationResistance |
DC500V/100MΩmin |
OutputConnection |
Terminal |
|
|
Model |
Nominalcurrentratio |
Burden(VA)Accuracy |
|
|
Class:0.5 |
Class1.0 |
||
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HK-58 |
250/5A |
- |
|
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300/5A |
-2.5 |
||
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400/5A |
5 |
||
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500/5A |
5 |
5 |
|
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600/5A |
5 |
5 |
|
|
750/5A |
|||
|
800/5A |
|||
|
1000/5A |
10 |
10 |
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