Automatic Phase Selector / Voltage Protector Digital

• Terminals: Top terminals include Neutral (N) and live phases (L1, L2, L3 / IN), while bottom terminals handle the output (OUT). • Digital Display: Shows real-time voltage and status readings for each line. • Control Buttons: Yellow front-panel buttons allow configuration of voltage thresholds, delay times, and protection parameters. • Function: Automatically switches or protects loads against under-voltage, over-voltage, and phase imbalances across AC power lines.