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CTS Series Terminal High Precision Amorphous Nanocrystalline Current Transformers

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Description
Advantage

CTS series current transformer model list

Model	Rated Primary current In（A）	Maximum current Imax（A）	Rated secondary current (mA)	Accuracy class	Load Resistance （Ω）
CTS1.5(6)A/5mA 0.01 10Ω	1.5	6	5	0.01	10
CTS1.5(6)A/5mA 0.005 10Ω	1.5	6	5	0.005	10
CTS1.5(6)A/5mA 0.002 10Ω	1.5	6	5	0.002	10
CTS1.5(10)A/5mA 0.01 10Ω	1.5	10	5	0.01	10
CTS1.5(10)A/5mA 0.005 10Ω	1.5	10	5	0.005	10
CTS1.5(10)A/5mA 0.002 10Ω	1.5	10	5	0.002	10
CTS0.3(1.2)A/1mA 0.01 10Ω	0.3	1.2	1	0.01	10
CTS0.3(1.2)A/1mA 0.005 10Ω	0.3	1.2	1	0.005	10
CTS0.3(1.2)A/1mA 0.002 10Ω	0.3	1.2	1	0.002	10
CTS0.3(10)A/1mA 0.01 10Ω	0.3	10	1	0.01	10
CTS0.3(10)A/1mA 0.005 10Ω	0.3	10	1	0.005	10
CTS0.3(10)A/1mA 0.002 10Ω	0.3	10	1	0.002	10

Ratio errorlimit

	Ratio error±（％）
Accuracy class	Imax	0.5Imax	2In	In	0.5In	0.2In	0.1In	0.05In	0.02In	0.01In
0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.02
0.005	0.005	0.005	0.005	0.005	0.005	0.005	0.005	0.005	0.005	0.01
0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.004

Phase displacement limit

	Phase displacement±＇
Accurac y class	Imax	0.5Imax	2In	In	0.5In	0.2In	0.1In	0.05In	0.02In	0.01In
0.01	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.6
0.005	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.3
0.002	0.06	0.06	0.06	0.06	0.06	0.06	0.06	0.06	0.06	0.12

Customer use cases ( e.g. 1.5(6)A/5mA )

Measurement error accuracy test:

Active measurement error test data: In = 1.5A, Imax=6A

Accuracy class of measuring and calibration platform is 0.03%

Three Phase Four Wire System		Active error%
Metering chip: ATT7022EU		23℃	70℃	-40℃
cosΦ=1.0	4Ib	0.0066	-0.0177	-0.0177
	2Ib	-0.0055	0.0177	-0.0088
	Ib	-0.0133	0.0177	-0.0088
	0.5Ib	-0.0035	-0.0142	-0.0213
	0.2Ib	-0.0026	0.0071	-0.0177
	0.1Ib	-0.0071	0.0142	-0.0177
	0.05Ib	-0.0099	0.0149	-0.0149
	0.01Ib	-0.0213	0.0071	-0.0135
cosΦ=0.5L	4Ib	0.0066	-0.0088	-0.0504
	2Ib	0.0088	0.0222	-0.0266
	Ib	0.0022	0.0355	0.0133
	0.5Ib	0.0106	0.0071	0.0177
	0.2Ib	0.0124	0.0213	-0.0142
	0.1Ib	0.0046	0.032	0.0213
	0.05Ib	0.0042	-0.0028	0.0177
	0.01Ib	0.0257	0.0174	0.0092

Operating environment：
（1）Temperature：-40℃～85℃；

Relative humidity≤95%；

（2）The altitude：No more than 4000m。

Hi-Pot：

The power-frequency withstand voltage between primary winding to secondary winding and to the ground shall be 4KV, no breakdown, flashover phenomenon， leakage current＜1mA；

Insulation resistance：

The insulation resistance of the primary winding to the secondary winding and to the ground should be larger than 1000MΩ/500Vdc；

Packaging, labeling, transportation and storage

1. Packaging：Packing has substantial protection to the products, to transport storage products have very good protection；

2. Mark：Products labeled as sketch, carton marking: product name, model number, quantity, customer material

3. Transport：Logistics, or the delivery

4. Storage：Current transformer shall be kept at room temperature, air relative humidity is not more than 90% (25 ℃) of the interior, and should not have caused the corrosion of harmful gases in the air and other harmful medium environment.

Key materials：

Name	Specification
Plastic shell	PBT,Black
Core	Nanocrystalline alloy
Enameled wire	QA-1/155（2UEW/155）
Secondary wire	UL1569 24AWG

// Zhejiang Enhong Electronics Co., Ltd.

Who Are We

Formerly known as Hangzhou Hongci Technology Co., Ltd., it is China custom CTS Series Terminal High Precision Amorphous Nanocrystalline Current Transformers suppliers and OEM CTS Series Terminal High Precision Amorphous Nanocrystalline Current Transformers factory, we have independent core technology. Its annual sales volume is nearly 40 million. Its service customers include China State Grid, China Southern Power Grid, German Volkswagen, Schneider Electric, Siemens, ABB, Schaffner, Panasonic and other well-known enterprises.

Company History

2006.8

Zhejiang Enhong Technology Co., Ltd. was established in August 2006.
2010

The annual production of magnetic cores exceeds 15 million pieces.
2014

Zhejiang Enhong Electronics Co., Ltd. was established, and the production base was located in Tongxiang.
2016

Obtained 8 patent certificates, Zhejiang high-tech enterprise.
2019

Gradually realize the equipment replacement automation production capacity reaches 80%.