Features • Modifiable Constants and Validation Bits: Customize your energy monitoring experience with adjustable meter address, baud rate, constants, and validation bits for precise measurements • Long-lasting Data Storage: Benefit from a pulse constant of 400imp or 1600imp and over 20 years of data storage, ensuring reliable tracking of your energy usage • Efficient 3 Phase 4 Wire Design: Enjoy accurate readings with a grade 1 accuracy meter that utilizes a 3 phase 4 wire connection and features RS485 for remote monitoring • Comprehensive Display Features: Get essential readings at a glance with the ability to display total power, current, voltage, power factor, and frequency, even when powered off • Eye-friendly Large LCD: Experience easy readability with a 7-digit LCD display designed to minimize eye strain, making it perfect for continuous energy monitoring Features: 1、Long Life: This single phase energy meter has a waterproof rating of ip65, a long life time, no failures, excellent long term reliability, small size, light weight, appearance and easy installation. 2、Direct Measurement: This single phase energy meter directly measures the 50Hz or 60Hz active energy of the single phase AC grid and can be used with a stepper motor type pulse register. 3、Microelectronics: This single phase energy meter is a new type of single phase two wire active energy meter, which uses microelectronics technology and introduces large scale integrated circuits with advanced digital technology and SMT technology. 4、High Accuracy: The single phase energy meter is 35mm rail mounted, accurate up to class 1, active energy measurement, long term work without adjustment. 5、Outstanding Craftsmanship: This single phase energy meter adopts large scale integrated circuits and SMT mounting technology, with excellent craftsmanship and simple structure. 6、Pure Copper Terminal: The single phase energy meter is made of pure copper terminal blocks, with excellent conductivity, ductility and resistance to ensure high current long term . Specification: Item Type: Single Phase Energy Meter Material: Plastic Model: DDM35S Accuracy: Class 1 Voltage Specification: 220V Frequency: 50 Hz Current Specification: 10(40)A Note Current Specification: Reference Current (Maximum Current) Insulation Performance: AC voltage 4KV, 1 min. 1.2/50us waveform surge voltage 6KV Display Mode: Meter (5+1) display Installation: Rail mounted Wiring Mode: Bottom in, top out Package List: 1 x Single Phase Energy Meter 1 x Instruction Manual Package List 1 x Single Phase Energy Meter 1 x Instruction Manual