Features: Small size, light weight, good reliability and easy installation. 35mm standard DIN-rail mounting in accordance with standard DIN EN50022. Quadrupole width (modulus 12.5mm), in line with GB/ t7121-1993 standard. Standard configuration 5+1(99999.1KWh) digital display. The standard configuration pulse output is passive (polar) and the remote pulse output can be selected as passive (non-polar). It is easy to contact with various AMR systems and conforms to the standards IEC 62053-31 and DIN43864. Double color LED indicates the power status (green) and the energy pulse signal (red). One-way measurement of single-phase two - wire active energy consumption . This has nothing to do with the direction of the load current. Comply with IEC 62053-21. Extend the terminal cover to protect the use of the security. Specification: Item Type: Din Rail Energy Meter Model: DDM75SC Frequency: 50/60Hz Current Specifications: 20(80)A Display mode: LCD display Installation method: rail installation Weight: 248 g / 8.7 oz(approx.) Package List: 1 * Energy Meter Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .