Chint BH-0.66 40 I Current TransformerCurrent Transformers with a secondary current of 5A and a rated voltage of 660V are designed for accurate measurement in AC circuits operating at 50 60Hz. They function within an operating temperature range of 5C to +40C and comply with IEC EN 60044 1 standards. These transformers are available in various transformation ratios, including 30 5A, 75 5A, 50 5A, 100 5A, 150 5A, 200 5A, 250 5A, 300 5A, and 400 5A, and feature an accuracy class of 0. 5.