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Current-voltage transducers AC/AC

Current-voltage transducers AC/AC

Current-voltage transducers transform primary alternating curent to secondary alternating voltage withe accuracy class 0.5 or 1. They are designed for supplying measuring and protective circuits of electrical power devices.

Transducers conform with PN-EN 60044-1 standards (without transducers IU type):

  • with accuracy class 0.5 and 1 in range from 5% to 120% rated primary current
  • with accuracy class 3 in range from 50% to 120% rated primary current

Transducers current-voltage EULA 0 type with primary current 5 A or 1 A can be used in secondary circiut of current transformers changing current signal on voltage signal.

Advantage of our transducers is rated short-time thermal current (1 sec): Ith = 60 * Ipn.

Secondary circuit of current-voltage transducers can be open or shorted.
Also can be loaded the larger resistance than passes in technical data.

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Technical data

Rated secondary voltage Usn= 1 V; 2 V; 5 V; 10 V; 15 V
Primary current Ipn= 1 ÷ 3000 A
Permanent overload Ipn= ext. 120%
Rated burden S2n = 5 ÷ 75 kΩ
Accuracy class

0.5; 1; 3

Rated short-time thermal current 1 sec. r.m.s. Ith = 60 * Ipn
Rated dynamic current
(for transducers with primary winding and cable type)l
Idyn = 2.5 * Ith
Rated dynamic current
(for bus bar type transducers)
depends on circuit (practically unlimited)
Frequency f = 50 ÷ 60 Hz
Max. voltage Um = 0.72 kV or 1.2 kV
Test voltage Up = 3 kV or 6 kV

Product specification

Type/Technical data Primary current Rated secondary
alternating voltage
Accuracy class
with primary winding

EULA 0

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1 ÷ 20 A 1; 2; 5; 10; 15 V 0.5

EULA 1 W20

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5 ÷ 300 A
cable type

EULA 0

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50 ÷ 150 A 1; 2; 5; 10; 15 V 0.5; 1

EULA 1

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50 ÷ 600 A
bus-bar type

IUSN 1

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50 ÷ 800 A 1; 2; 5; 10; 15 V 0.5; 1; 3

IUSN 2

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100 ÷ 1250 A

IUSN 3

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400 ÷ 2000 A 1

IUSN 30

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300 ÷ 2000 A

IUSN 31; IUSN 32

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500 ÷ 3000 A

IUSN 4

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500 ÷ 3000 A
linear transducers (D 16 or D 22)

IU-1; IU-2; IU-3; IU-5; IU-5Z;
IU-8; IU-10; IU-20; IU-40

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1 ÷ 600 A according to
linear characteristic
±3%