Sigma LV Current Transformers(CT)  can convert the primarry current which is from 20A upto 5000A in the requested power and accuracy value into the secondary current which is 1 or 5A value. Sigma CTs are produced in 9 different sizes according to TS 620 EN 60044-1 standards for different busbar dimensions. Sigma CTs can be produced with sealed by Industry and commerce Ministry When requested