WOUND PRIMARY CURRENT TRANSFORMERS - J..B.. 36kv SERIES

Current Transformer

Technical data
Rated insulation level 7.2/20/60 kV to 36/70/170 kV
Primary current Ipn Up to 2500 A
Secondary current Isn 5 or 1 A
Frequency 50 or 60 Hz
Rated output 1 to 100 VA
Accuracy class 0.1 - 0.2 - 0.2S - 0.5 - 0.5S - 1 - 3 - 5P
10P - CLX - CLPX
Security factor From 5 to 10
Accuracy limit factor 5 - 10 - 15 - 20 - 30
Continuous thermal current 1.2 Ipn
Short-time thermal current Ith Up to 1000 Ipn or 100 kA.1s
Dynamic current Idyn 2.5 Ith
Insulation class E
Ambient temperature -5°C to + 40°C
Standards IEC - IEEE - CSA - AS - BS - UNE


Other characteristics on request
Power-frequency withstand voltage Up to 75 kV
Double ratio 5-10 to 600-1200A by primary change-over
Secondary current Isn 0.005 to 10 A
Continuous thermal current 1.5 Ipn - 2 Ipn
Multiple cores Up to 4
Ambient temperature - 25°C to + 70°C