Feature:1. It has excellent longterm reliability, small size, light weight, perfect appearance and easy installation.2. It can directly and accurately measure the active power consumption of the load in a singlephase AC grid with a rated frequency of 50 Hz.3. It uses microelectronics technology, and introduces largescale integrated circuits, and uses advanced digital technology and surface mount technology.4. Singlephase electronic din rail energy meter is a new type of singlephase twowire active energy meter.5. Made of high quality material, which makes the din rail energy meter very durable.Specification:Condition: 100% NewItem Type: Din Rail Energy MeterCondition: 100% NewItem Type: Din Rail Energy MeterMaterial: Pure Copper, PlasticVoltage: 230vCurrent: 10 (40) AFrequency: 50Hz Pulse Constant: 500imp/kwhSize: in the picture.:DS1891 single-phase electronic din rail 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 surface mount technology. It has completely independent intellectual property rights and minimum size.The meter complies with all the relevant technical requirements of the class 1 single-phase active meter specified by the international standard IEC62053-21. 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.Functional Characteristics:35mm standard DIN rail installation, in line with standard DIN EN50022.Single pole width (modulus 17.5mm), in line with standard DIN43880.Standard configuration 5 + 1 LCD backlit display (99999.1kWh).Standard configuration of passive pulse output (polarity), long-distance passive pulse output (no polarity) can be selected. And easily contact with various AMR systems, in line with standards IEC 62053-31 and DIN43864.Two LEDs indicate power status (green) and energy pulse signal (red).One-way measurement of single-phase two-wire active energy consumption. The direction of the load current is irrelevant and conforms to the standard IEC62053-21.Direct connection operation, two types of wiring can be selected. The standard configuration is S-type wiring, U-type wiring is optional.Extend the terminal cover to protect the safety of use..Package List:1 x Din Rail Energy Meter1 x Instruction