DPN-100N 3P+N Auto-reconnect Adjustable Voltage Protector is designed to safeguard three-phase electrical systems against overvoltage, undervoltage, and supply instability. Developed using advanced electronic control technology, it continuously monitors line voltage and automatically disconnects loads when abnormal conditions occur.

Once voltage returns to a safe range, the device performs automatic reconnection, helping minimise downtime without manual intervention. Adjustable voltage thresholds and time delay settings, along with a real-time voltage display, allow precise configuration for different network conditions. Operating across 40–60Hz, it is suitable for a wide range of applications.

Ideal for industrial facilities, commercial buildings, power distribution panels, and infrastructure systems, the DPN-100N enhances equipment protection, power reliability, and operational safety in three-phase installations.