Current transformers
Main characteristics

Dimensions according to CEI-UNEL 21009

Manufacture and tests according to CEI-IEC

Frequency 50-60 Hz

Insulation level up to 36 kV

Rated primary current (In) from 5 to 2500 A

Rated secondary current 5A (double at 5-5 A)

Rated thermal current 1 sec. (Ith): see tables

Rated dynamic current (Idyn): 2,5 Ith

Security factors <=5 e <=10

Performance: 20 VA cl.0,5 and/or 10 Va cl.5P10

or 30 VA cl.0,5 and/or 15 VA cl.5P10