Medium voltage current transformers , TP series

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3.6- 7.2 - 12 KV

Primary current up to 400 A

Ith up to 80 Ipn

Cast-resin insulated


More details

Technical data

Rated insulation level*:12/28/75 - 3.6/20/60
Primary current Ipn*:up to 400
Secondary current Ipn*:1or 5
Accuracy class*:0.1-0.2-0.2S-0.5-0.5S-1-3-5P-10P-ClX
Security factor*:5to10
Accuracy limit factor*:5-10-15-20
Continuous thermal current*:1.2Ipn
Short time thermal current Ith *:80Ipn
Dynamic current Idyn*:2.5Ith
Insulation class*:E
Ambient temperature*:-5C° to + 40 C° -25C° to + 40 C° -40C° to + 40 C°
Standards*:IEC60044-1, IEC61869-2,ANSI C57.13 , IEC60044-6

Other characteristics on request

Continuous Thermal current**:from 1.2 to 1.5Ipn and 2Ipn
Ambient temperature**:Up to 110 C


Indoor or outdoor:Indoor
MV CT's type:3-phase