Three Phase current transformers

   TP SERIES  

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Indoor

3.6- 7.2 - 12 KV

Primary current up to 400 A

Ith up to 80 Ipn

Cast-resin insulated

 

 

Three phase current transformers vacuum moulded in self-extinguishing epoxy resin, for the measurement of AC current up to 400A.

  

Technical data

Rated insulation

 

3.6/20/60 kV to 12/28/75 kV

primary current Ipn

 

Up to 400A

 

 

Secondary current Isn

 

5 or 1 A

 

 

Frequency

 

 

50 or 60 Hz

 

 

Accuracy class

 

0.1 - 0.2 - 0.2S -0.5-0.5S-1-3-5P-10P-PX

Security factor

 

5 to 10

Accuracy limit factor

 

5 - 10 - 15 - 20

 

Continuous thermal current

 

1.2 Ipn

 

 

Short-time thermal current

 

80 In

 

 

Dynamic current Idyn

 

2.5Ith

 

 

Insulation class

 

E

 

 

Altitude

 

1000 m

 

Ambient temperature

 

-5C° to + 40 C°

-25C° to + 40 C°

-40C° to + 40 C°

 

Standards

 

 

IEC60044-1, IEC61869-2,ANSI C57.13



 

 

Other characteristics on request

Continues thermal current

 

1.2 to1.5Ipn and 2Ipn

 

Ambient temperature

 

Up to + 110C°

 



 

 

 

*This document is the property of Pars Shar and maybe changed without prior notice*