Rishabh Instruments Pvt. Ltd. Protection Relays & Systems VR-3-L-2

Voltage protection relay for three-phase systems with a nominal input voltage range of 110-240 VLL, featuring under voltage, over voltage, phase unbalance, phase failure, phase sequence, and neutral failure protection. It has a compact 17.5 mm width, 1CO+1CO relay configuration, self-powered operation, and LED fault indication. The device trips instantaneously for phase reversal, neutral fail, and phase fail conditions, with adjustable trip delays of 0-10 seconds for voltage-related faults. It meets IEC 61010-1-2010 safety standards, IEC 60529 IP20 for enclosure protection, and can withstand 2.2 kV AC for one minute. Operating temperature ranges from -10 to +55°C with a weight of approximately 80 g.