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50A current transformer with DC immunity 2500:1 0.1class

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: ZMDCT02
Brand: ZEMING
Code: 8504311000
PDF: 50A DC immune CT--ZMDCT02.pdf


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Product Description

Product Description

Item : 50A DC immune Current Trasnformer

Model No.: ZMDCT02

1. Specification

Characteristics	Values
Operating frequency	50 Hz ~ 400 Hz
Operating temperature	-40℃ ~ 85℃
Relative humidity	≤95%
Rated primary current Ip	50A
Maximum primary operating current Imax	60A
Testing current for DC component 100A/Root 2	＜3%
Rated second current	20mA
Transformation ratio	1:2500
User supplied burden resistor	10Ω
Accurate operating current range	5%Ip~Imax
Power frequency withstand voltage	3Kv/1min
Insulation resistance	>500MΩ/500Vdc
Interturn insulation	50A/1min
Accuracy class	0.1class

Accuracy class	With the percentage(%)of Ip
Accuracy class	5	20	100	120
Ratio Error (±%)	0.4	0.2	0.1	0.1
Phase Displacement(±ˊ)	15	8	5	5

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 CO LTD
4	Winding	0.13mm, 2500T	E258243	ELEKTRISOLA HANGZHOU CO LTD
5	Shield shell	Steel	/	Runhan
6	Epoxy resin	TXH-9201-10 epoxy resin insulating compound	E196959	TIANJIN XINQIAO INSULATING MATERIAL CO LTD
7	Leading wire	UL1007, 26AWG, Black&White	E315651	ZHEJIANG CHENGBAO WIRE & CABLE CO LTD
9	Connector	Molex 5264-2P	/	Shenzhen Pinshang Electronic
10	Tape	Flame retardant, Environmental protection	E165111	JINGJIANG YAHUA PRESSURE SENSITIVE GLUE CO LTD