Communicable multifunction differencial relay Block ADR233B

Transformer Differential + Over Current + Restricted Earth Fault./li>
3 element Over current IDMT/DMT with instant trip./li>
Programmable Starting Current & Dual Bias Characteristics
Wide Bias Setting 10% to 50%
Programmable Pick-up characteristic
Harmonic Restrain for Transformer Charging & CT Saturation condition
Instantaneous Protection with adjustable timer.
Software base Vector group selection.
Non Restrain Time delay backup protection
Breaker Fail & Trip Circuit Supervision function.