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Guangzhou QIDA Material & Technology Co., Ltd
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Precision Instrument Toroidal Current Transformer Cores , Excellent Thermal Stability

Guangzhou QIDA Material & Technology Co., Ltd
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Guangzhou QIDA Material & Technology Co., Ltd
City: Guangzhou
Province/State: Guangdong
Country/Region: China
Tel: 86-20-32058623
Contact Person:
Ms Shirley

Precision Instrument Toroidal Current Transformer Cores , Excellent Thermal Stability

Place of Origin : Guangzhou, China (Mainland)
Brand Name : QIDA
Certification : ISO9001
MOQ : 5000 Piece/Pieces
Price : Get Latest Price
Packaging Details : Carton
Delivery Time : 30 Days
Payment Terms : T/T
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Precision Instrument Toroidal Current Transformer Cores , Excellent Thermal Stability 30 * 20 * 15mm

Quick details


toroidal Transformer Cores

Excellent thermal stability

High saturation Induction

30 * 20 * 15mm

Advantages of nanocrystalline alloy core


• High permeability―lead to minimized current measuring error in CT
• High saturation Induction ―lead to small size and light weight compared to Permalloy CT
• Excellent thermal stability―Can work at -55~130°C for long time
• Low cost:Ideal for substitute of permalloy cores commercially

Applications

Current transformer of power system plays an important role in providing a current in its secondary winding proportional to the alternating current flowing in its primary. They are commonly used in metering and protective relaying in the power plants and substations where they facilitate the safe measurement of large currents, often in the presence of high voltages. The current transformer safely isolates measurement and control circuitry from the high voltages typically present on the circuit being measured.

Comparing with the traditional core material, such as silicon steel and permalloy, Iron based nanocrystalline alloy takes the advantage of high permeability and low cost, it is more competitive in the application of precision current transformer with 0.2,0.2s,0.1 accuracy class, Bushing current transformer for Epoxy resin cast, Gas insulated or oil-immersed switchgears, LV, MV and HV switchgear, and other apparatus in electric power transmission and distribution system.


Item No.

specification

Package

Size(mm)

Le(cm)

Ac(cm2)

Wa(cm2)

Ap(cm4)

Transfer power
(20kHz)P(W)

(mm)

External
diameter

Internal
diameter

Highth

NST201208E

20×12×8

case

21.8

10.6

10

5.02

0.24

2.26

0.55

100

NST251610E

25×16×10

epoxy

26

15.2

8.9

6.44

0.34

4.02

1.37

160

NST302015E

30×20×15

case

33.1

17.8

17.5

7.85

0.57

6.28

3.58

350

NST402515E

40×25×15

case

43.2

21.9

18.9

10.21

0.86

9.81

8.39

600

NST504020E

50×40×20

epoxy

53

38

23

14.13

0.76

25.12

19.09

1,200

NST805020E

80×50×20

epoxy

83

48

23

20.41

2.28

39.25

89.49

4,000

NST805025E

80×50×25

epoxy

83

48

28

20.41

2.85

39.25

111.86

5,000

NST1008025E

100×80×25

epoxy

104

76

28

28.26

1.9

100.48

190.91

6,000

NST13010025E

130×100×25

epoxy

134

96

28

36.11

2.85

157

447.45

10,000



Product Tags:

high permeability core

      

transformer core material

      
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