3kV Two-Core Epoxy-Cast Current Transformer


3kV Two-Core Epoxy-Cast Current Transformer

ER-3C

Offering a higher rated current ratio, this medium-voltage, two-core current transformer is suited to the main panel or the motor control panel of a 3.6kV (max.) power system and can be used with measuring or monitoring instruments, or with protective relays. Araldite® epoxy resin.

About the Product

Designed to offer a higher rated current ratio, this indoor two-core epoxy-cast current transformer is suited to the main panel or the motor control panel of a 3.6kV (max.) power system and can be used in conjunction with measuring or monitoring instruments, or with protective relays. Insulated with Araldite® epoxy resin, the ER-3C has excellent moisture resistance and provides superior electrical performance. Easy to install, this current transformer also has a pleasing design.

Product Features

  • Standards: JIS, IEC or IEEE*
  • Indoor application; epoxy-cast model
  • System Voltage: ≦ 3.6 kV
  • Frequency: 50/60 Hz
  • AC/BIL:10/40kV
  • Rated Current Ratio: Single-ratio or dual-ratio types
  • Approx. Weight: 11 kg
  • Other standards and specifications upon request

Selection Table*

 

Primary Current (A)

Secondary Current (A)

Burden / Accuracy

Ith

(kA)

Core  1

Core  2

Single Ratio

200〜400A

5A  or  1A

5A  or  1A

15VA/5P10

+

30(15)VA/1.0(0.5)

Max. 25 kA/1S

500〜800A

1000〜1200A

Dual Ratio

200-400A

5A  or  1A

5A  or  1A

15VA/5P10

+

30(15)VA/1.0(0.5)

Max. 25 kA/1S

250-500〜400-800A

500-1000〜600-1200A

*Other standards and specifications available.


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