Gold Member Since 2011
Audited Supplier
Tianjin Grewin Technology Co., Ltd.

Current Transformer, PCB Current Transformer, Minature Transformer Sensor manufacturer / supplier in China, offering Minature Current Transformer, Silicon Steel Inverter Toroidal Transformer for Impedance Converter, DC Immunity Miniature CT Price Mini Current and so on.

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Minature Current Transformer

FOB Price: US $5 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $5/ Piece
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Port: Tianjin, China
Production Capacity: 100000PCS/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram, cash

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Basic Info
  • Model NO.: mA current transformer
  • Type: Current Transformer
  • Operation Condition: Indoor
  • Winding Form: Toroidal Style
  • Installation: PCB or Wire Installation
  • Transformer Name: Current Transformer
  • Frequency: 50 to 400 Hz
  • Transport Package: Export Standard Carton With Strong Pallet
  • Origin: Tianjin
  • Application: Electronic, Instrument, Position Sensor, Audio, Lighting
  • Phase: Single
  • Usage: Measurement
  • Insulating Medium: Epoxy Resin
  • Voltage Transformation Principle: Electromagnetic Type
  • Interior Insulation: Epoxy Encapsulated
  • Trademark: Grewin
  • Specification: CE, ROHS
  • HS Code: 85045000
Product Description
Low cost
More than 50 standard sizes
Non-symmetrical mounting pattern
Toroidal Silicon steel and Nickel Alloy cores
Available
Applications:
For applications that require exceptional
Accuracy with minimal phase angle error
Applications would include Current, Power
And Energy monitoring devices.
Specifications:
Exterior Material: PBT Resin UL flame
Retardant rating 94-V0
Interior Insulation: Epoxy Encapsulated
Isolation Current: 2500 Vrms for 1 minute
Dielectric Resistance: 1000 M Ohms at 500 Vdc
Surge Withstand: 5000V(1.2/50μ S standard
Shock wave)optional
Operating Temperature: -25 to +55 degree, -40 to
+85 degree optional
Frequency: 50 to 400 Hz
Feature
1), All enclosed design, good performance of mechanical and insulation.
2), Pin design, easy to installate in PCB.
3), This series of CTs have small size that can be used as separate.
4), Linear output with high accuracy current.
5), Smalll size, light weight, standard hole easy to installation, Normal specifications and parameters as follow.
Grewin's Minature Current Transformer Typical Products

Photograph
 
Part
Number

Rated
Input
Current
(A)
 
Turn
Ratio
Frequency
( Hz )
Secondary
Burden
Resistance
(Ohms)
Accuracy
Class
Outline
Dimensions
(mm)
 
 GWTA11115~301000:1
2000:1
2500:1
50 to 400≤2000.1
0.2
0.5
ID-L-W-H
7.0-22.0-18.0-
23.0
 
 GWTA13115~80≤8000.1
0.2
0.5
ID-L-W-H
8.0-25.3-18.0-
30.0
 GWTA14115~80≤8000.1
0.2
0.5
ID-L-W-H
9.0-31.5-20.5-
33.5
 GWTA21A115~501000:1
2000:1
2500:1
3000:1
50 to 400≤2000.1
0.2
0.5
ID-L-W-H
6.9-25.0-11.6-
26.5
 
 GWTA21B115~50≤2000.1
0.2
0.5
ID-L-W-H
6.7-23.5-11.5-
25.0
 GWTA21CB115~151000:1
2000:1
50 to 400≤500.2
0.5
ID-L-W-H
3.6-18.0-10.0-
19.0
 GWTA21CE11≤50ID-L-W-H
5.0-17.0-9.2-
16.7
 GWTA21CD11≤50ID-L-W-H
5.0-18.0-10.0-
19.0
 GWTA21C111000:1
2000:1
2500:1
≤50ID-L-W-H
4.5-18.0-10.0-
20.0
 GWTCA11≤300ID-L-W-H
4.5-19.0-12.5-
19.0
 GW1E115~20≤200
0.1
0.2
0.5
 
ID-L-W-H
5-21-13.5-21.5
 GWTA1F115~301000:1
2000:1
2500:1
3000:1
≤2000.2
0.5
ID-L-W-H
6.7-23.9-12-25
 GWTA2B115~801000:1
1500:1
2000:1
2500:1
3000:1
50 to 400≤8000.1
0.2
0.5
ID-L-W-H
8.7-26-17.5-
27.5
 GWTA2D115~100≤10000.1
0.2
0.5
ID-L-W-H
9.0-29.5-19.0-30
 GWTA2E115~100≤10000.1
0.2
0.5
ID-L-W-H
12.8-36.7-14.2-
38.5
 GWTA3115~201000:1
2000:1
2500:1
50 to 400≤2000.1
0.2
ID-L-W-H
5.0-18.8-17.8-
19.5
 GWTA3B115~801000:1
2000:1
2500:1
3000:1
5000:1
≤1000.1
0.2
0.5
ID-L-W-H
6.0-25.0-21.5-
26.0
 GWTA3A115~100≤1000
0.1
0.2
0.5
 
ID-L-W-H
6.0-34.0-22.0-
36.0
 GWTA2B115~201000:1
2000:1
2500:1
50 to 400≤1000.1
0.2
ID-L-W-H
5-17.6-19.3-
17.6
 
 GWTA3115~801000:1
1500:1
2000:1
2500:1
3000:1
≤5000.1
0.2
0.5
ID-L-W-H
6.0-28.0-28.0-
22.0
 GWTA4B115~100≤10000.1
0.2
0.5
ID-L-W-H
5.5-34.0-34.0-
23.0
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