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You are here: Home » Products » DC Immune Current Transformer » 40A current transformer with DC immunity 2500:1 0.2class
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40A current transformer with DC immunity 2500:1 0.2class

DC immune current transformer , 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.

Product Description

Item : 40A DC immune Current Transformer 

Model No.: ZMDCT05

1. Specification

Characteristics

Values

Operating frequency

50 Hz ~ 400 Hz

Operating temperature

-40 ~ 85

Relative humidity

95%

Rated primary current  Ip

40A

Maximum primary operating current Imax

48A

Testing current for DC component 40A/Root 2

3%

Rated second current

16mA

Transformation ratio

1:2500

User supplied burden resistor

10

Accurate operating current range

1.66%Ip~Imax

INPUT: 2.5A R:100, f: 60HZ

OUTPUT: 99.5~100mV

Power frequency withstand voltage

3Kv/1min

Insulation resistance

>500MΩ/500Vdc

Interturn insulation

40A/1min

Accuracy class

0.2class

 

Accuracy class

With the percentage(%)of Ip

1.66

5

20

100

120

Ratio Error (±%)

0.2

0.2

0.2

0.2

0.2

Phase Displacement(±ˊ)

12

12

12

12

12

2. Structure and Size

图片1 

 

Current direction:

 

Primary current is from K to L, secondary current is from Black line to White line.

3. Dimension

图片2

4.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

7

Leading wire

UL1007, 26AWG,

Black&White

E315651

ZHEJIANG CHENGBAO WIRE & CABLE

9

Connector

SMH200-02

/

Shenzhen Pinshang Electronic

10

Tape

Flame retardant,

Environmental protection

E165111

JINGJIANG YAHUA PRESSURE SENSITIVE
GLUE CO LTD

 


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