Features Flexible Configuration: Modify the meter address, baud rate, constants, and validation bits for comfortable use and accurate measurement of active power. Long-Term Data Storage: The pulse constant of 400imp or 1600imp and a data storage time of over 20 years ensure reliable and secure data management. Versatile Functionality: Integrates a 3 phase 4 wire connection method, 35mm rail mounting, grade 1 accuracy, and RS485 remote meter reading for hassle-free monitoring. Comprehensive Display: Features include power off, backlit display, switch output, and the ability to show total power, current, voltage, power factor, frequency, and active energy measurement. Eye-Friendly Design: Equipped with a large 7 digit LCD display to prevent eye strain during usage. Specification: Item Type: Rail Mounted Energy Meter Material: Plastic Model: XTM1250SA Relative Humidity: ≤95% Ambient Temperature: -35-65℃ Accuracy: Grade 1 Voltage Specification: 3x220V Or 380V 50Hz Current Specification: 3x10(40)A Note The Current Specification: Reference Current (Maximum Current) Insulation Performance: AC Voltage 4KV, 1min, 1.2/50us Waveform Impact Voltage 6KV Data Display: Using 7 Digit LCD Installation Method: Rail Mounted Package List: 1 x Energy Meter 1 x Manual Note: betweenbr> Package List 1 x Energy Meter 1 x Manual