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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

Model: ZMDCT25
Brand: ZEMING
Code: 8504311000
PDF: 60a dc immune ct--zmdct25.pdf


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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
Accuracy class	5	20	100	Imax
Ratio Error (±%)	0.1	0.1	0.1	0.1
Phase Displacement (±ˊ)	10	8	8	5

Dimension

Front view Bottom view

✱：SAME POLARITRY

Electrical schematic

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