Post type current transformers


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3.6-7.2-12-17.5-24 KV

Primary current from 50 to 4000 A

Cast-resin insulated







Current transformers vacuum moulded in self-extinguishing epoxy resin for the measurement of AC currents up to 4000A.





Technical data

Rated insulation level


3.6/20/60kV   to  24/70/170 kV


primary current Ipn


50 to 4000A



Secondary current Isn


5 or 1 A







50 or 60 Hz



Rated output


1 to 100 VA



Accuracy class


0.2 - 0.2S -0.5-0.5S-1-3-5P-10P-ClX

Security factor


5 to 20

Accuracy limit factor





Short-time thermal current Ith

80 to 1000 Ipn


Dynamic current Idyn


2.5 Ith




Insulation class






Continues thermal current


1.2 to 1.5Ipn and 2Ipn





1000 m



Ambient temperature


-5C° to + 40 C°

-25C° to + 40 C°

-40C° to + 40 C°







IEC60044-1, IEC61869-2,IEC60044-6




Other characteristics on request

Secondary current Isn



0.005 to 10 A



Multi ratio



By secondary tapping



Multiple cores


Up to 5 separate cores



Continuous thermal current



1.2 to 1.5Ipn and 2Ipn



Ambient temperature


Up to + 110C°






ANSI C57.13, CAN13- AS1675



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

Tolerances: ± 1mm