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Current instrument supporting transformer CTSO 38L

Current instrument supporting transformer CTSO 38L

CTSO 38L

Current instrument supporting transformer CTSO 38L is designed for measurement and protection of high voltage distributing equipment for outdoor design for nominal primary currents of 5-750 A and for the highest voltage of system of 38.5 kV.

The value of secondary current is 5 A or 1 A with the possibility of combination.

The accuracy classes for the circuits of measurement are 0.2, 0.2S, 0.5, 0.5S, 1, 3, for the circuits of protection are 5P, 10P. The transformers fulfill the required accuracy class at intervals from 25 % to 100 % of rated load.