Abb Limited [Oil and Gas] offers Zero-sequence Indoor Current Transformer. Abb Limited [Oil and Gas] is an ISO 9001 accredited company. The Zero-sequence Indoor Current Transformer, Model BYZ, is used for ground fault detection. The Zero-sequence Indoor Current Transformer is designed for zero-sequence over-current relaying schemes and for mounting the cable compartment of metal clad switchgear. The Zero-sequence Indoor Current Transformer has voltage of 600 volts. The Zero-sequence Indoor Current Transformer has current ranging from 50 and 100 amperes. The Zero-sequence Indoor Current Transformer has frequency ranging from 25-400 Hz.