Robust Industrial Protection: Provides comprehensive safety against common power faults including **Over-Voltage, Under-Voltage, Voltage Unbalance, Phase Loss (Single Phasing), and Phase Sequence (Reverse Phase)** errors. High Current Capacity: Rated for a heavy-duty current of **$100\text{ Amps}$ (A)**, making it suitable for high-power industrial machinery, entire home/commercial building main lines, and critical $3$-phase equipment. $3$-Phase $4$-Wire System Compatibility: Specifically designed for **$3$-Phase $4$-Wire (L1, L2, L3, N)** systems, ensuring simultaneous monitoring and protection across all lines, including the neutral. Adjustable Protection Parameters: Features **customizable set points** for over/under voltage thresholds, delay time upon power restoration, and unbalance percentage, allowing fine-tuning for specific equipment needs. Digital Display & Monitoring: Equipped with an **LED/LCD digital display** for real-time monitoring of line voltages and fault conditions, enabling quick diagnostics. Automatic Reconnection: Includes an **adjustable automatic reclose delay time** after a voltage fault has been corrected, preventing rapid on/off cycling (chattering) and protecting connected loads.