Features: Available in two versions: with backlight and without backlight; choose based on your needs. 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 with a rated frequency of 50Hz or 60Hz, intended for fixed indoor installation. Features high reliability, compact size, lightweight design, sleek appearance, advanced technology, and easy 35mm DIN 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 Withstand: 4kV AC for 1 minute, 6kV impulse voltage (1.2/50s waveform) Display: LCD with Backlight / LCD without Backlight Installation: 35mm DIN Rail Wiring Method: Top entry and bottom exit / Bottom entry and top exit Maximum Load Power: 17000W Operating Temperature: -20C to +50C Pole Width: 17.5mm (0.7in) Functions: Displays electricity usage, voltage, current, frequency, and power factor Note: Please allow 1-3cm measurement deviation due to manual measurement. Ensure you are comfortable with this before purchasing. Due to variations in monitor displays, the actual color of the item may differ from the image shown. Package Includes: 1 x Single Phase Energy Meter