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Instrument Current Transformer
Instrument Current Transformer Instrument Current Transformer Instrument Current Transformer Instrument Current Transformer Instrument Current Transformer Instrument Current Transformer

Instrument Current Transformer

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Product description
This product is used as an electric energy metering device that requires high precision and small phase error. The input AC current through the core hole of the transformer induces a Ma-level current signal on the secondary side ,which is converted into the required voltage signal by the back-end sampling resistor and accurately transmitted to the electronic circuit based on micro-processing .
Product characteristics

Low price ,easy cost control

High precision ,wide linear range ,excellent consistency

Small size and light weight ,easy for high –density PCB mounting

Various shape structures are available

Application
Apply to monitoring of multi-function instruments, intelligent detection instruments ,electronic watt-hour meters and building control systems .
Product parameters
Electrical
performance
parameters 		Operation temperature -25℃～+55℃/-40℃~～+85℃ optional Relative humidity ≤90%hPa
Internal insulation Epoxy resin Insulation resistance ＞500 M Ohms/500Vdc
Medium strength 3000Vac/min Withstand impulse voltage 5000V（1.2/50μsStandard Lightning Wave）
Operation frequency 50～400Hz Accuracy class According to（IEC 61869-2）class 0.1，0.2 and（JBT/10665-2016）0.1，0.2
Environmental friendly According to the requirement of RoHS;
Model interpretation
型号释义
Typical value of products
Physical Pic Type Rated input current
(AC)		 Rated output current (AC) Ratio Maximum overload times Secondary load(Ohms) Accuracy class Dimensions（mm）
TR2145CB 0～5A 0～5mA 1000:1
2000:1
2500:1 		20 ≤20 0.1，0.2 查看外形结构图
L-W-H
15.8-17.3-19
TR2146B 0～5A 0～5mA 1000:1
2000:1
2500:1 		20 ≤100 0.1，0.2 查看外形结构图
L-W-H
22.5-20.8-25
TR2137-2B 0～10A 0～10mA 400:1
500:1
1000:1
2000:1
2500:1 		20 ≤100 0.1，0.2 查看外形结构图
L-W-H
23-12.5-22.5
TR2121-1C 0～5A 0～5mA 1000:1
2000:1
2500:1 		5 ≤200 0.1，0.2 查看外形结构图
L-W-H
21-18-20
TR21141-1C 0～5A 0～5mA 1000:1
2000:1
2500:1 		10 ≤200 0.1，0.2 查看外形结构图
L-W-H
18-17-18
TR21228C 0～5A 0～5mA 1000:1
2000:1
2500:1 		2 ≤200 0.1，0.2 查看外形结构图
L-W-H
18-12-12.8
TR2155-2C 0～5A 0～5mA 1000:1
2000:1
2500:1 		2 ≤200 0.1，0.2 查看外形结构图
L-W-H
16.8-9-20

Remarks：Customization available according to system requirements .

We are a manufacturer has export qualification and experience.

instrument type at least 100pcs ;others by 1 -5 pcs;

T/T;L/C;

Instrument transformer 20 thousand pcs ;current transformer 12 thousand pcs ;voltage transformer 11 thousand pcs.

We have a R&D team for new product design. Successful cases and in continued cooperation. Discussion among both sides ➡general specification ensure➡structure drawing ➡original sample ➡electrical

Standard Carton Export fumigatin-free tray Tray Film Edge fixing strip Vacuum packaging acceptable Customize size acceptable
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Contact Us

Tel：+86-25-84152563

Fax：+86-25-52146294

Email：export@hbtianrui.com

Address：Head Office: No.8 Chuangye Avenue, Economic Development Zone, Tianmen City, Hubei Province, China (Zip Code: 431700) Nanjing Office: Building 23, Baijiahu Science and Technology Industrial Park, No.2 Qingshuiting West Road, Jiangning Economic Development Zone, Nanjing City, Jiangsu Province,China (Zip Code:211106)
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