single turn primary 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 +55℃,-40 to +85℃optional

Frequency

50 to 400 Hz

Accuracy Class

defined in IEC 60044-2 Part 2 Voltage Transformers Class 0.1

Certification

RoHS Compliant

Toroidal Core Voltage Transformer(features)

Low cost

More than 50 standard sizes

Non-symmetrical mounting pattern

Toroidal Core Voltage Transformer(applications)

For applications that require exceptional accuracy with minimal phase angle error

Applications would include Voltage,power and energy monitoring devices

Part
Number

Rated
Input
Current
(A)

Turn
Ratio

Frequency
( Hz )

Secondary
Burden
Resistance
(Ohms)

Accuracy
Class

Outline
Dimensions
(mm)

GWTA1111

5~30

1000:1
2000:1
2500:1

50 to 400

≤200

0.1
0.2
0.5

ID-L-W-H
7.0-22.0-18.0-
23.0

GWTA1311

5~80

≤800

0.1
0.2
0.5

ID-L-W-H
8.0-25.3-18.0-
30.0

GWTA1411

5~80

≤800

0.1
0.2
0.5

ID-L-W-H
9.0-31.5-20.5-
33.5

GWTA21A11

5~50

1000:1
2000:1
2500:1
3000:1

50 to 400

≤200

0.1
0.2
0.5

ID-L-W-H
6.9-25.0-11.6-
26.5

GWTA21B11

5~50

≤200

0.1
0.2
0.5

ID-L-W-H
6.7-23.5-11.5-
25.0

GWTA21CB11

5~15

1000:1
2000:1

50 to 400

≤50

0.2
0.5

ID-L-W-H
3.6-18.0-10.0-
19.0

GWTA21CE11

≤50

ID-L-W-H
5.0-17.0-9.2-
16.7

GWTA21CD11

≤50

ID-L-W-H
5.0-18.0-10.0-
19.0

GWTA21C11

1000:1
2000:1
2500:1

≤50

ID-L-W-H
4.5-18.0-10.0-
20.0

GWTA21CA11

≤300

ID-L-W-H
4.5-19.0-12.5-
19.0

GWTA21E11

5~20

≤200

0.1
0.2
0.5

ID-L-W-H
5-21-13.5-21.5

GWTA21F11

5~30

1000:1
2000:1
2500:1
3000:1

≤200

0.2
0.5

ID-L-W-H
6.7-23.9-12-25

GWTA22B11

5~80

1000:1
1500:1
2000:1
2500:1
3000:1

50 to 400

≤800

0.1
0.2
0.5

ID-L-W-H
8.7-26-17.5-
27.5

GWTA22D11

5~100

≤1000

0.1
0.2
0.5

ID-L-W-H
9.0-29.5-19.0-30

GWTA22E11

5~100

≤1000

0.1
0.2
0.5

ID-L-W-H
12.8-36.7-14.2-
38.5

GWTA2311

5~20

1000:1
2000:1
2500:1

50 to 400

≤200

0.1
0.2

ID-L-W-H
5.0-18.8-17.8-
19.5

GWTA23B11

5~80

1000:1
2000:1
2500:1
3000:1
5000:1

≤100

0.1
0.2
0.5

ID-L-W-H
6.0-25.0-21.5-
26.0

GWTA23A11

5~100

≤1000

0.1
0.2
0.5

ID-L-W-H
6.0-34.0-22.0-
36.0

GWTA32B11

5~20

1000:1
2000:1
2500:1

50 to 400

≤100

0.1
0.2

ID-L-W-H
5-17.6-19.3-
17.6

GWTA3311

5~80

1000:1
1500:1
2000:1
2500:1
3000:1

≤500

0.1
0.2
0.5

ID-L-W-H
6.0-28.0-28.0-
22.0

GWTA34B11

5~100

≤1000

0.1
0.2
0.5

ID-L-W-H
5.5-34.0-34.0-
23.0