You are here : Home > Products > Current transformer
OB-74/40

Specifications

1.primary current: 30-3000A,secondary current:1A、5A

2.Highest System Voltage: 720V

3.Rated Frequency: 50 or 60Hz

4.Withstand Voltage: 3kV for 1min

5.Environment Temerature: -25℃~45℃

6.Instrument Security Factor:FS≦5

7.Standard:IEC60044-1 GB1208

Type

Ratio(A)

Burden(VA)

Turns through core

Class:3.0

Class:1.0

Class:0.5

Class:0.2

OB-74/40

200/5

5

1

250/5

5

1

300/5

5

1

400/5

5

1

500/5

10

1

600/5

10

1

800/5

10

5

1

*If it carrys 100% rated primary current for long term, please indicate this point when to book the product.

 

Prev Products: OB-62/40

Next Products: OB-74/50

If you have any enquiry about quotation or cooperation, please feel free to email us at info@chinaobc.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.