Rishabh Instruments Pvt. Ltd. Protection Relays & Systems AR-1-1-2

Current protection relay for single-phase systems, with a 1CO relay configuration and normally de-energized output. The device monitors overcurrent, undercurrent, and current unbalance (not applicable in single-phase mode), with adjustable trip points from 10% to 140% of nominal current and delay settings from 0 to 10 seconds. It supports true RMS measurement up to the 15th harmonic, has a nominal input current range of 1 A to 5 A, and operates on an auxiliary supply of 60 V to 300 V AC/DC. The relay contacts are rated for 5 A at 250 VAC or 30 VDC resistive load, with mechanical endurance of 10^7 operations and electrical endurance of 10^5 operations. The unit is rated for IP20 protection, operates from -10 °C to +55 °C, and complies with IEC 61010-1-2010 safety standards and IEC 60529 for environmental protection. Weight is approximately 175 g.