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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.

Model: ZMDCT05
Brand: ZEMING
Code: 8504311000
PDF: 40A DC immune CT--ZMDCT05.pdf


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Product Description

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	10Ω
Accurate operating current range	1.66%Ip~Imax
INPUT: 2.5A R:100Ω, 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
Accuracy class	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

Current direction:

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

3. Dimension

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