Current Transformers - Technical Details

     
Standard IEC60044-1 2003-02
Rated operational voltage (Un) 720V
Rated frequency 50/60Hz
A,bient temperature -5/40 deg C
Operating humidity up to 95% relative humidity
Rated short time thermal current (Ith) 50kA
Rated dynamic current (Idyn) 2.55 x Ith
Insulation

between primary / secondary conductor > 500m
between toriod core / secondary conductor > 200m

Dielectric strength 2kV 1 minutes
Thermal class of insulation B
Casing non-flammable, polycarbonate self extinguishing ABS/PC
Index of protection - casing IP20
Index of protection - cover sealable IP20
Accuracy class Measuring 0.5, 1, 2
Protection 5P, 10P
Burden ranging from 3 - 30VA
Rated primary current ranging from up to 6000A
Rated secondary current .../5A or .../1A

© Copyright Bridex Singapore 2006    Updated On: 08/02/2006