Toroidal core current transformer for measurement

Coil made of 15AWG insulated copper solid wireOperating frequency Fmin=50HzSize the core to drive 5A at 600A primary currentOperating tem: -40 to 85 degree1), All enclosed design, good performance of mechanical and insulation.2), Pin design, easy to installate in PCB.3), This s

Featured Products

Coil made of 15AWG insulated copper solid wire
Operating frequency Fmin=50Hz
Size the core to drive 5A at 600A primary current
Operating tem: -40 to 85 degree

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.

The GREWIN TA series of single turn primary miniature current transformer  rated input 5 to 100A econd burden <1000 turn ratio1000:1  for measurement  are designed for applications that require exceptional accuracy with minimal phase angle error.  Applications would include current,power and energy monitoring devices.


2.The following is our detailed information of our single turn primary miniature current transformer  rated input 5 to 100A econd burden <1000 turn ratio1000:1  for measurement:
 

Single Turn Primary Mini Current Transformer(features)

Low cost

More than 50 standard sizes

Non-symmetrical mounting pattern

Toroidal Silicon steel and Nickel Alloy available

 
 

Single Turn Primary Mini Current Transformer(applications)

For applications that require exceptional accuracy with minimal phase angle error

Applications would include Voltage,power and energy monitoring devices

 
 

Single Turn Primary Mini Current Transformer(specifications)

Exterior Material

PBT Resin UL flame retardant rating 94-V0

Interior Insulation

Epoxy Encapsulated

Isolation Voltage

2500 Vrms for 1 minute

Dielectric Resistance

1000 M Ohms @ 500 Vdc

Surge Withstand

5000V(1.2/50μs standard  shock wave)optional

Rated Load Resistance

100K Ohms

Operating Temperature

-25 to +55ºC,-40 to +85ºCoptional

Frequency

50 to 400 Hz

Accuracy Class

defined in IEC 60044-1 Part 1 Voltage Transformers Class 0.1 0.2 

Certification

RoHS Compliant CE Approved

Single turn primary mini current transformer for measurement:
 

Photograph
Part
Number
Rated
(max)
input 
current
(A)
RatioFrequency
(Hz)
Secondary 
Burden
Resistance
(Ohms)
Accuracy
Class
Outline 
Dimensions
(mm)
Output
Mold

GWTA20115(20)
5(50)
10(40)
15(60)
1000:1
1500:1
2000:1
50-400≤400.1
0.2
ID-L-W-H
8.0
26.0-13.5-28.6
lead

GWTA21A115(20)
5(50)
10(40)
15(60)
1000:1
2000:1
2500:1
50-400≤400.1
0.2
ID-L-W-H
6.7
23.5-11.5-25.0
lead/
pin

GWTA21B115(20)
5(50)
10(40)
15(60)
1000:1
2000:1
2500:1
50-400≤400.1
0.2
ID-L-W-H
6.7
23.5-11.5-25.0

GWTA22B115(20)
5(50)
10(40)
20(80)
1000:1
2000:1
2500:1
50-400≤500.1
0.2
ID-L-W-H
8.7
26.0-17.5-27.5

GWTA22D115(50)
10(40)
10(60)
20(80)
1000:1
2000:1
2500:1
50-400≤500.1
0.2
ID-L-W-H
8.0
19.5-18.5-30.0

GWTA22E115(50)
10(60)
10(100)
20(120)
1000:1
2000:1
2500:1
50-400≤500.1
0.2
ID-L-W-H
12.8
36.7-14.2-38.5

GWTA24115(50)
10(40)
20(80)
20(100)
1000:1
2000:1
2500:1
50-400≤500.1
0.2
ID-L-W-H
9.0
41.0-18.5-30.0

GWTA24B115(20)
5(50)
10(40)
15(60)
1000:1
1500:1
2000:1
50-400≤400.1
0.2
ID-L-W-H
6.0
41.0-15.0-28.0
lead

GWTA361110(60)
15(60)
10(100)
20(80)
500:1
1000:1
2000:1
50-400≤400.1
0.2
L-W-H
32.0-30.0-30.0

GWTA36A111.5(6)150:1
250:1
300:1
1000:1
50-400≤400.1
0.2
L-W-H
32.0-30.0-34.0

GWTA36B111.5(6)150:1
250:1
300:1
1000:1
50-400≤400.1
0.2
L-W-H
28.0-30.0-32.0

GWTA20DA115(20)
5(50)
10(40)
15(60)
1000:1
1500:1
2000:1
50-400≤400.1
0.2
L-W-H
38.0-15.0-29.0

GWTA20EA115(20)
5(50)
10(40)
15(60)
1000:1
1500:1
2000:1
50-400≤400.1
0.2
L-W-H
45.0-28.0-29.0

GWTA37111.5(6)150:1
250:1
300:1
50-400≤400.1
0.2
L-W-H
85.0-31.0-33.0
lead

GWTA38111.5(6)150:1
250:1
300:1
50-400≤400.1
0.2
L-W-H
98.0-23.0-33.0

GWTA38C111.5(6)150:1
250:1
300:1
50-400≤400.1
0.2
L-W-H
96.0-23.0-28.0

 
  Below is for wound primary mini current transformers:

Wound Primary Mini Current Transformer(specifications)
Exterior MaterialPBT Resin UL flame retardant rating 94-V0
Interior InsulationEpoxy Encapsulated
Isolation Voltage2500 Vrms for 1 minute
Dielectric Resistance1000 M Ohms @ 500 Vdc
Surge Withstand5000V(1.2/50μs standard  shock wave)optional
Rated Load Resistance100K Ohms
Operating Temperature-25 to +55ºC,-40 to +85ºCoptional
Frequency50 to 400 Hz
Accuracy Classdefined in IEC 60044-1 Part 1 Voltage Transformers Class 0.1 0.2
CertificationRoHS Compliant CE Approved
 
Wound Primary Mini Current Transformer(features)
Low cost
More than 50 standard sizes
Non-symmetrical mounting pattern
Toroidal silicon steel and Nickel Alloy cores available
Wound Primary Mini Current Transformer(applications)
For applications that require exceptional accuracy with minimal phase angle error
Applications:
would include Voltage,power and energy monitoring devices
 

Photograph
Part NumberRated CurrentFrequency
(Hz)
Accuracy
Class
Outline 
Dimensions (mm)

GWTA5212 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2OD-H
32.0-26.0

GWTA5215 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2OD-H
32.0-26.0

GWTA3511 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2L-W-H
32.0-25.0-34.0

GWTA39A11 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2L-W-H
35.0-32.0-32.0

GWTA39B11 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2L-W-H
35.0-32.0-30.0

GWTA5412 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2OD-H
37.4-28.0

GWTA3911 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2L-W-H
36.5-31.0-35.0

Part Number
Rated CurrentFrequency
(Hz)
Accuracy
Class
Outline 
Dimensions (mm)
GWTA5212 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2OD-H
32.0-26.0
GWTA5215 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2OD-H
32.0-26.0
GWTA3511 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2L-W-H
32.0-25.0-34.0
GWTA39A11 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2L-W-H
35.0-32.0-32.0
GWTA39B11 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2L-W-H
35.0-32.0-30.0
GWTA5412 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2OD-H
37.4-28.0
GWTA3911 Input:1,2,5,10,20A
 Output:0.333V--7.07V
            (Optional)
50 to 4000.1,0.2L-W-H
36.5-31.0-35.0

 
WHY CHOOSE US?
 Quality and honest first!
A.  Flexible service for diffierent transformers with high efficiency performance.
B.  Over 40 years experience of transformer designing and producing.
C. 100% test of every single product we produce from incoming material checking.
D.  UL, CE, ISO9001:2008
E.  We offer custom-made transformers, OEM and ODM are welcome
F.  We deliver the quality you expect at consistently competitive prices
G. Transformer quality lifetime:10 Years.
H. Specialty Sales service:5 -10 Years
 

   

                                                     
Alice
Tianjin Grewin Technology Co.,Ltd.
Tel: 86-22-84943756
MT:8613072088960
Website:
http://transformer.en.made-in-china.com
http://transformer.en.made-in-china.com        
 

Contact us

Please feel free to give your inquiry in the form below We will reply you in 24 hours