Current Transformers
(Indoor)

  • In Compliance with IEC / ANSI / IS Standards
  • High Grade Epoxy Resin System
  • Service Temperature -30°C to +50°C
  • High Mechanical Stability of the Windings
  • Higher Dielectric Strength Against Impulse and Surge Voltages
  • Rated Continuous Thermal Current Up to 200%
  • Frequency 50/60 Hz

Current Transformers (Indoor)

Description / kV Class

Unit

11kV

22kV

33kV

Applicable Standard

IEC / IEEE / ANSI / IS

Highest System Voltage

kV

12

24

36

One Min. PF Voltage

kV

28

50

70

Lightning Impulse Voltage

kVp

75

125

170

Rated Frequency

Hz

50 / 60

Ambient Temperature

° C

-30 to +50

Seismic Level

g

0.3

Rated Primary Current

Amp.

Up to 800

Rating Factor

Up to 2

Rated Secondary Current

Amp.

1 / 5

Short Time Thermal Current

kA

Up to 40kA

Creepage Distance

mm

300

600

900

Accuracy Class

0.1 / 0.2 / 0.2s / 0.5s / 1.0 / 3.0 / 5P / 10P / PX

Maximum No. of Cores

No.

4

4

5

Separate Secondary Box

Yes (on request)