Core Balance Current Transformers ( VIPS-CBCT ) are used along with Earth leakage relays. It is available in ABS moulded (35 mm, 70 mm, 120 mm and 210 mm) and in customised rectangular and Circular CTs. Features: All ratios available to match commonly available ELRs Compact Light weight Encapsulated ABS moulding Terminals are finger proof touch as per IEC 44-1 and IEC185 Cost Effective Zero crossing ADwantages: Highly Linear Highly accurate Light in weight Applications: For detection of leakage current & transmitting proportional signal to ELR Â