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You are here: Home » Products » DC Immune Current Transformer » φ27.5mm DC immune current transformer 2500:1 60A
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φ27.5mm DC immune current transformer 2500:1 60A

Application and Features:
1. for electronic energy meters, single-phase and three-phase meters
2.The iron core is made of high quality ferrous amorphous alloy and nanocrystalline alloy material,
and the secondary wire is made of high strength electromagnetic enameled wire, fully epoxy resin seal, with high precision and good linearity.
3.The cases adopts imported flame retardant PBT material with good mechanical and electrical strength.
4.Small size, light weight, easy to install.
3. precision power meter
4. Low cost, small size, high accuracy, PCB mounting pattern
5. fully ROHS compliant , CE approved

Specification

Characteristics

Values

Operating frequency

50 Hz ~ 400 Hz

Operating temperature

-40℃ ~ 85℃

Relative humidity

≤95%

Rated primary current  Ip

5A

Maximum primary operating current Imax

60A

Testing current for DC component 60A/Root 2

3%

Rated second current

2mA

Transformation ratio

1:2500

User supplied burden resistor

10Ω

Power frequency withstand voltage

4Kv/1min

Insulation resistance

>500MΩ/500Vdc

Encapsulant

Epoxy

Accuracy class

0.1class

 

Accuracy class

With the percentage(%)of Ip

5

20

100

Imax

Ratio Error (±%)

0.1

0.1

0.1

0.1

Phase Displacement (±ˊ)

10

8

8

5



Dimension

1


Front view                     Bottom view

 

SAME POLARITRY


Electrical schematic


                                              2

Material List

No.

Material

Spec. model

  UL    code

Manufacturer

1

 Inner  core

Nano-crystalline    core

/

ZEMING

2

Outer core

Amorphous core

/

ZEMING

3

Core shell

PBT

E238981

QINGDAO QINKE ENGINEERING PLASTICS

4

Winding

 2500T

E258243

ELEKTRISOLA HANGZHOU CO LTD

5

Outside shell

Black

E238981

QINGDAO QINKE ENGINEERING PLASTICS

6

Epoxy resin

TXH-9201-10 epoxy   resin insulating compound

E196959

TIANJIN XINQIAO INSULATING MATERIAL CO LTD

7

Leading wire

UL1007, 26AWG,   Red&White

E315651

ZHEJIANG CHENGBAO WIRE & CABLE CO LTD

8

Tape

Flame retardant,

Environmental protection

E165111

JINGJIANG YAHUA PRESSURE SENSITIVE
GLUE CO LTD


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