We are manufacturer for Instrument Transformer.
Three-phase Electric Current Transformer/Current Sensor/LPCT
CY-ECTST1
Description:
*24kV
*Indoor
*Dry type / Epoxy resin type
*Three phase
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.
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) | |
Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.
The quality is assurance, the reasonable price, welcome to order, ordering or the proxy.
Kindly Note:
 Our Factory Products Catalog as Follow:
I. Instrument Transformer(Epoxy Resin Type, upto72.5kV)
 i. LV & MV Current/Voltage Transformer
 ii. Electronic Instrument Transformer/LPIT/Sensor Split Core Current Transformer/Rogowski Coil
 iii. Split Core Current Transformer/Rogowski Coil
II. Cable Accessories(EPDM, upto42kV)
 i. Separable Connector IEC/IEEE
 ii. Busbar Connection System
 iii. Switchgear Insulation Components
 iv. Cold Shrink Cable Accessories
 Thanks!
Welcome to Chuangyin(CY)!
Hope a nice shopping time!






