Production Description

High precision Zero-phase current transformer used for leakage protection.

Performance Indicators

Parameter

Symbol

Indicator

main dimension

--

Internal hole /Length/Height/Thickness

（72mm/175mm/150mm /44mm）

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

Product Features

Sealing with epoxy resin, excellent antivibration capability.

Perforation method is used with the aperture Ф72mm, it is convenient for the installation of busbar.

High permeability material is used; Wide measurement range.

Beautiful, small, with flexible application..

Product Application

Used for electrical fire monitoring, fire and leakage prevention system, low current grounding system, electromagnetic relay protection, microcomputer protection, etc.

Main specifications

Input

Output

Load

Precision

Phase difference

Linearity range

0.3A

0.1V(0.3mA)

---

0.2

<15ˊ

5%~200%

0.5A

0.2V(0.5mA)

---

0.2

<15ˊ

5%~200%

1A

0.5V(4mA)

---

0.2

<15ˊ

5%~200%

2A

2V(2mA)

---

0.2

<15ˊ

5%~200%

5A

2V(5mA)

---

0.2

<15ˊ

5%~200%

Precautions

During use, output type may be the output type with lead wire or the output with connector.