Features • Long-Term Reliability Assurance: Enjoy consistent performance with our compact and lightweight design, ensuring easy installation and dependable operation over time • Accurate Power Measurement: Effortlessly monitor active power consumption in single-phase AC networks, delivering precise readings at a rated frequency of 50 Hz • Advanced Technology Integration: Benefit from cutting-edge microelectronics and digital technology, featuring large-scale integrated circuits for enhanced measurement accuracy • Standard DIN Rail Compatibility: Easily install on a 35mm DIN rail, compliant with DIN EN50022 standards, while the protective terminal cover ensures user safety • Flexible Wiring Options: Choose between two wiring configurations for direct connection, with standard S-type wiring and optional U-type wiring to suit your needs Features: 1、Has excellent long？term reliability, small size, light weight, appearance, easy installation. 2、Can directly and accurately measure the active power consumption of the load in a single？phase AC network with a rated frequency of 50 Hz. 3、Uses microelectronics technology, and introduces large？scale integrated circuits, and uses advanced digital technology and SMT technology, etc. 4、35mm standard DIN rail installation, in line with standard DIN EN50022, extension terminal cover to protect the safety of use. 5、Direct connection , two types of wiring can be selected. The standard configuration is S？type wiring, U？type wiring is optional. Specification: Condition: 100% Item Type: Rail Energy Meter Voltage: 230V Current: 5 (80) A Pulse Constant: 1600imp/Kwh Frequency: 50Hz Size: As Shown in the Pictures Product Description: DDS1891 single-phase electronic DIN rail active energy meter is a new type of single-phase two-wire active energy meter. It adopts microelectronics technology, introduces large-scale integrated circuits, and uses advanced digital technology and SMT technology. Its completely independent intellectual property rights and minimum size. It can accurately and directly measure the 50Hz active power consumption from the single-phase AC grid, and can display the total power consumption through the stepper motor type pulse register. It has the characteristics of good reliability, small size, light weight, beautiful appearance and convenient installation. Functions and Features: ●35mm standard DIN rail installation, in line with standard DIN EN50022. ●Four widths (modulus 12.5mm), in line with standard DIN43880. ●Standard configuration 5 + 1 (99999.1kWh) digital display. ●Standard configuration of passive pulse output (polarity), long-distance passive pulse output (no polarity) can be selected. And easily with various AMR Package List 1 x Rail Energy Meter 1 x User Manual