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Technical Specifications

SECONDARY-TERMINALS-2

 

Standard Specifications acc. To IEC 61896-2 to which INSULA’s products complies:

1.   Rated Primary 25 …. 3000 (intervals of 5)
2.   Rated Secondary 5A or 1A
3.   Accuracy Class:

a. ‘M’ Wdg

b. ‘P’ Wdg

 Class X (on request)

0.2, 0.5 or 1     {Fs < 5 or 10}

5P or 10P        10/15/20
4. Rated Output 5 …. Up to 60 VA
5. Highest system Voltage (KV) 3.6   7.2     12   17.5   24     36
6. Rated Insulation Level )KV)

* Power Frequency – 1min. test.

* Impulse

  

10   20     28   38   50       70

40   60     75   95   125     170
7. Rated short time

* Thermal Current Ith.

* Dynamic Current Idyn

  

Min. 100 x Inn KA

2.5 x Ith (max. 100 KA)
8. Rated Continuous thermal current 120% …. 150% In A
9. Rated frequency 50 – 60 Hz
10. Insulation Class E
11. Number of secondary cores Up to 3
12. Double Ratio CT with change over on Primary side Up to 600 …. 1200 A