Medium voltage current transformers   IOR series

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Dwonload Type Test


24 KV

Primary current from 50 to 400 A

Cast-resin insulated

Installing on circuit breakers


More details

Technical data

Rated insulation level*:24/50/125
Primary current Ipn*:up to 400
Secondary current Ipn*:1or 5
Rated output*:1-5
Accuracy class*: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 *:Up to 100Ipn
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,IEC60044-6

Other characteristics on request

Continuous Thermal current**:from 1.2 to 1.5Ipn and 2Ipn
Ambient temperature**:Up to 110 C
Standards**:ANSI C57.13, CAN13- AS1675


Indoor or outdoor:Indoor
MV CT's type:Post type