Rishabh Instruments Pvt. Ltd. Protection Relays & Systems RISH RELAY I-1-2001-LA

RISH Relay I is a current protection relay designed for over current, under current, current loss, and current unbalance protection in single-phase applications. It features a 4-digit 7-segment LED display, True RMS measurement up to the 15th harmonic, and dual-color LED fault indication. The relay supports auto or manual reset, user-selectable 1P2W network configuration, and programmable CT secondary values from 1A to 5A. It operates on an auxiliary supply of 20-60 VDC or 20-40 VAC, with a current input range of 5-140% of CT secondary and a burden of less than 0.25 VA per phase. The device complies with IEC 61010-1-2010 and IEC 61326-1 standards. It includes trip relay outputs and can operate in trip or buzzer mode with AND-function logic for dual-fault triggering.