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CY-ECTST1 Three-phase Low Power Current Sensor

Apply to

≤24kVcable insulated busbar

≤0.72kV noninsulated Busbar

Application

>Current sensor apply to current measurement of cable busbar & insulation bushing of low voltage / medium voltage C-GIS switchgear in smart grid ;

>current sensor should be mounted on the insulated cable, shielded cable connector, or any other type of insulated conductor.

DESCRIPTION

Technical Data

Model          

      CY-ECTST1

Max. system voltage (cable busabar)     

    24kV

Insulation level          

        0,66/3kV (0,72/3kV)

Rated ratio

   Phase current

600A/1V(max. 4 times )

   zero sequence curent

20A/0.2V

Accuracy

    Phase current

0.5S(5P10) measuring, metering , protection compatible

  zero sequence curent

10P10(<1%@1%~120%In)

Short time thermal current                          

20xIn

Burden (load resistance)                            

≥20kΩ

Frequency                                               

50/60 Hz

Operating temp.                                       

-40°C to +70°C

Current sensor type                                  

phase current & zero sequence current sensor

Installation method and size                        

thro-core installation on the busbar bushing

hole diameter 3-Φ75mm

installation screw hole equipped at he bottom

Standard                                                 

GB/T 20840.8 (GB/T 20840.6)

IEC 60044-8 (IEC 61869-6)

Connecting type                                        

aviation plug--lead terminal

Connecting cable                                       

RVSP Shield line L = 3 m (length can be customized)


Dimensions:   unit/mm


   LPCT is grounded by shielded leading wire

 


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