Basic parameters

Primary Current（A）

Secondary Current（mA）

Burden

Max Current（A）

Accuracy Class

Note

Rb（Ω）

30

12

10

120

0.2～0.1

DC 38.2A

Current error and phase error limits

Accuracy Class

Current error ±（％）

phase error(′)

In the following currents

In the following currents

0.01In

≥0.05In

0.01In

0.05In

0.2In

1In

2In

3In

Imax

0.1 Class

0.2

0.1

15

8

5

5

5

5

5

0.2 Class

0.4

0.2

30

15

10

10

10

10

10

Note: When current is 0.2In~Imax, phase error(δe ) is the average of δmax and

δmin; When current is i, the phase error of i is the difference of betweenδi  and δe. (△δi=δi-δe).

When Current is 84.8A,  the electric energy measurement error  introduced by current transformers is less than 3%

Sine-half wave test

Normal Service Conditions

Ambient temp.(℃):－40℃～＋70℃； Relative Humidity ：≤98（25℃）； Altitude ：≤3000m

The main electrical performance

And a winding secondary winding voltage between the tolerance of not less than 4 kV, insulation resistance of not less than 1000MΩ

Reference size(mm)

A

B

C

D

E

35

17

17

φ7.5

20