Production Description

High precision zero-sequence current transformer used for leakage protection.

Performance Indicators

Parameter

Symbol

Indicator

main dimension

--

Internal hole /Length/Height/Thickness

（25mm/80mm/69.5mm /23mm）

Once zero-sequence current

In

0~5A

Secondary output current

IO

0~5V(0~5mA)

Load resistance

RL

>10kΩ(<1kΩ)

Precision level

ρ

0.2, 0.5 level

Linearity range

－

5%~200%

Phase difference of the rated site

δ

5ˊ~15ˊ

Withstand voltage

Vd

3000V/min

Dielectric strength

－

1000MΩ/500V/min

Working temperature

Ta

-25℃ ~ +65℃

Storage temperature

Ts

-40℃ ~ +80℃

Working frequency

f

45Hz ~1500Hz

Relative Humidity

－

<90%

Enclosure material

－

Fire retardation PBT/Fire retardation ABS