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

Voltage protection relay for three-phase systems, with a nominal input voltage range of 415-480 VLL (240-277 VLN), configured for two relay outputs. Measures true RMS voltage and provides protection against under voltage, over voltage, phase unbalance, phase failure, phase reversal, and neutral failure. Adjustable trip points for voltage thresholds and delay times up to 10 seconds, with fixed thresholds for unbalance (20%) and phase failure (70%). Self-powered, with LED fault indications and a compact size of 17.5 mm width. Relay contacts rated at 5 A / 250 VAC / 30 VDC resistive load, with 1x10⁷ mechanical and 1x10⁵ electrical endurance. Operating temperature range from -10 to +55°C, enclosed in IP20 housing. Meets IEC 61010-1-2010 safety standard and IEC 60529 for pollution degree 2 and installation category CAT III. Weight approximately 80 g.