1. 3IN1 Multifunctional Display: Clear digital screen shows voltage, current, and kWh readings for real monitoring of your electrical system's performance. Compatible with AC 220V. 2. Adjustable Over Voltage Protection Device: Protection range adjustable from 230V to 300V to prevent damage to appliances and equipment caused by power surges in your electrical setup. 3. Precision Current Regulation: Over current protection adjustable from 1A to 63A, safeguarding circuits against overloads while maintaining stable operation for various industrial applications. 4. DIN Rail Mounting Design: Easy installation on standard DIN rails with compact dimensions, ideal for integration into electrical cabinets and control panels without requiring additional space. Use scenarios Industrial control cabinet: Monitor voltage, current and energy usage while providing surge and overload protection for motors, drives and sensors in a compact DIN rail package. Commercial or residential electrical panel: Protect sensitive appliances and equipment from voltage spikes and overcurrent events, while keeping power usage in check through the 3 in 1 display. Data center or server room: Manage power delivery to critical equipment with reliable over voltage and over current protection and inline energy monitoring to track consumption and detect anomalies.