Features: Available in two versions: with backlight and without backlight. Choose based on your requirements. The DIN-Rail Electric Meter is designed to divide electrical systems into separate circuits and monitor energy consumption in individual areas. This KWh meter is suitable for measuring single-phase AC active energy at a rated frequency of 50Hz or 60Hz, intended for fixed indoor installation. Features include high reliability, compact size, lightweight design, sleek appearance, advanced technology, and compatibility with 35mm DIN standard rail mounting. The electronic KWh meter offers strong anti-electromagnetic interference performance, low power consumption, high accuracy, high overload capacity, excellent stability, tamper-resistant design, and long service life. Specifications: Material: Plastic Accuracy: Class 1 Reference Voltage: 220V/230V, 50/60Hz Reference Current (Max Current): 5(80)A Insulation Performance: 1 minute 4kV AC voltage, 1.2/50μs 6kV impulse voltage Display: LCD with Backlight / LCD without Backlight Installation: 35mm DIN Rail Wiring Method: Top input and bottom output / Bottom input and top output Power: 17000W Operating Temperature: -20°C to +50°C Pole Width: 17.5mm / 0.7in Functions: Displays electricity, voltage, current, frequency, and power factor Note: Allow 1-3cm variation due to manual measurement. Check measurements before purchasing. Due to differences in display screens, the actual color of the item may vary slightly from images shown. Package Includes: 1 x Single Phase Energy Meter