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CYECT2-11 Electronic Combined Instrument Transformer

The products accord with standard IEC60044-8, GB/T20840.8-2007, and can meet customer’s other special requirement. The products use Rogowski winding to test current, mainly used in 10kV switchgear, match with electric instrument, digital measure and protective equipment, can at the same time realize multi-functions such as measure, control, protection and data transmission etc, secondary open circuit can not produce high voltage.

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Main technical parameter
1. Rated primary voltage
: 11kV
2. Rated primary current : 50-2000A
3. Rated secondary voltage
: 4V(measure)200mV(protective)

4. Rated Burden>10kΩ
5. Rated digital output : 0x2D41(measure)   0x01CF(protective)
6. Accuracy for measuring winding
: 0.2
7. Accuracy for protection winding
: 5P20/5TPE
8. Rated frequency
: 50Hz
9. Rated insulation level
: 12/42/75kV
10. Rated short time thermal current
: 50-200: 150Ipr, 300-2000A :31.5kA/1S
11. Rated dynamic current
: 50-200A :375Ipr, 300-2000A :80kA
12. Ambient temperature : -5 -40 (indoor), -25℃-50℃(outdoor)
13. Ambient humidity : ≤RH95%(25℃ )
14. Altitude : ≤ 2000m( Can devise according customer’s requirement)

15. Installation site : indoor/ outdoor

Outline drawing


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0086-755-86000443
0086-755-86000772

传真: 

0086-755-86000614

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珠海市高新区唐家湾镇科技五路24号(珠海)

江西省九江县沙城工业园庐山东路31号(江西)




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