Rishabh Instruments Pvt. Ltd. Protection Relays & Systems VR-3-L-1

Voltage protection relay for three-phase systems with a compact size of 17.5 mm, providing under voltage, over voltage, phase unbalance, phase failure, phase sequence reversal, and neutral failure protection. Input voltage range is 110-240 VLL (63-138 VLN), with adjustable trip points for over voltage (105-125%) and under voltage (75-95%), and fixed thresholds for unbalance (20%) and phase failure (70%). Features true RMS measurement, self-powering, LED fault indication, and two relay output configurations (1CO or 1CO+1CO) with contact ratings of 5 A at 250 VAC. Mounting is panel-style with IP20 front face protection, operating temperature range of -10 to +55°C, and meets IEC 61010-1-2010 safety and IEC 60529 IP ratings. Weight is approximately 80 g.