VAMP 230 feeder terminals incorporate current and voltage inputs hence this relay can be used for overcurent, directional overcurrent, earth fault, directional earth fault, over and under voltage, residual voltage and frequency protection VAMP 130 is a basic overcurrent and earth fault protection relay for applications where communication to the higher level control system is not needed and a cost effective package is required Many communication protocols and numerous auxiliary functions make the VAMP 265 perfect for utility and industrial power generation applications The VAMP protection relays include all the main features you have been used to see in the medium voltage distribution protection systems All VAMP overcurrent relays can be equipped with arc sensors