4 Element (3 Phase + EF + Sensitive EF) Over current IDMT/DMT with instant trip.Selection of Curve: Five selectable curve (Normal Inverse 1 Normal Inverse 2, Very Inverse Extremely Inverse Long Time Inverse and Define Time.2 Setting Groups.4 stages of Phase Over Current element. (Ip1>, Ip2>, Ip>> and Ip>>>) (50,51). 3 stages of 3Io (Internally derived EF) (3Io>, 3Io>> and 3Io>>>) (50N,51N). 3 stages of Ie (Externally EF or REF) (Ie>, Ie>> and Ie>>>) (64). Trip Circuit Supervision.(TC) Breaker Failure Detection.(BF) Monitoring Functions. Auto Reclose Relay (ARR).(79) Negative Phase Sequence.(46) Relay / Led configuration. Large 20x4 LCD display for Parameter and setting display. Disturbance Recorder. Up 3 sec Fully communicable with IEC standard open protocol. IEC60870-5-103 (RS232C and RS485) 6 Digital Output (DO) and 8 Optically isolated digital status input (DI) Programmable Logic of DI/DO. 100 nos of event memory, 10 nos of Fault data stored with keypad interface and time stamping. 4 Element (3 Phase + EF + Sensitive EF) Over current IDMT/DMT with instant trip. Selection of Curve: Five selectable curve (Normal Inverse 1 Normal Inverse 2, Very Inverse Extremely Inverse Long Time Inverse and Define Time. 2 Setting Groups. 4 stages of Phase Over Current element. (Ip1>, Ip2>, Ip>> and Ip>>>) (50,51).