Rishabh Instruments Pvt. Ltd. Protection Relays & Systems RISH ELR-4000-HA-96

RISH ELR VI is a digital earth leakage relay designed to protect against earth leakage current, over current, under current, over voltage, under voltage, and reverse power in single- and three-phase systems. It features a 4-digit 7-segment LED display, True RMS measurement up to the 15th harmonic, CBCT open detection, and stores the last 15 fault events. Trip settings for leakage current are programmable from 30 mA to 30 A, with adjustable delays for all protection functions. The relay supports auto re-closure or manual reset via a front-panel button and is configurable via USB using PRKAB. It includes LED indicators for relay status and fault conditions. The RISH ELR-4000 variant uses a 60-300 V AC/DC auxiliary supply and is mounted in a 96 mm × 96 mm panel. It complies with IEC 61010-1-2010 and IEC 61326 standards.