JU6E Over & Under Voltage Protection Device is designed to provide reliable voltage protection for low-voltage electrical systems. It continuously monitors the supply voltage and automatically disconnects the circuit when the voltage exceeds the preset overvoltage limit or falls below the preset undervoltage limit, effectively protecting electrical equipment from damage caused by abnormal voltage conditions.

JU6E operates at a rated voltage of AC 230V with a frequency of 50/60Hz, making it suitable for standard single-phase power distribution systems. The protection thresholds are factory preset and non-adjustable, ensuring stable and consistent performance without the risk of incorrect parameter settings. This design makes the device especially suitable for applications where fixed protection values are required and simplified operation is preferred.When an abnormal voltage condition occurs, the JU6E responds quickly and disconnects the load to prevent overheating, insulation damage, or malfunction of connected equipment. Once the voltage returns to the normal operating range, the device automatically reconnects the circuit after a preset recovery delay, restoring power supply without manual intervention. Its simple and robust structure improves long-term reliability and reduces maintenance requirements. The device is designed for DIN rail mounting, allowing easy installation inside distribution boards and control panels. Its compact size helps save space and enables integration with other modular devices such as MCBs and contactors.JU6E is widely used to protect household appliances, lighting circuits, small motors, and other sensitive electrical equipment in residential, commercial, and light industrial applications, providing dependable overvoltage and undervoltage protection.