Low Voltage Current Transformers convert the primary currents which are from 20A to 5000A into 1A or 5A as secondary current in requested Accuracy and power Value . Sigma Current Transformers are produced in 9 different frame for various busbar sizes according to IEC/EN 60044-1.
L.V Instrument Transformers
Earth Leakage Circuit Breakers (ELCB) are produced according to IEC/EN 60947-2 and CE standards. In adition to protect the overload and Short circuit currents, ELCBs protect the systems against Earth leakages.