Features Small size, light weight and beautiful appearance Good reliability and easy installation.Extend the terminal cover to protect the use. 35mm standard DIN rail mounting, in accordance with standard DIN EN50022.Double color LED indicates the power status (green) and the energy pulse signal (red) Single pole width (modulus 18mm) in accordance with DIN43880. Standard configuration pulse output passive (polarity), select remote pulse output passive (non-polar). It is easy to contact with various AMR systems and conforms to the standards IEC 62053-31 and DIN43864. Specification:Condition: 100% Brand New Model: DDM18LAccuracy Level: 1.0 Reference Voltage: 220V/230V, 50/60Hz Current Specifications: 5(20)A, 5(25)A, 5(30)A, 5(32)AStarting Current: 0.02AInsulation Performance: AC voltage 4KV, 1 minute, 1.2/50us waveform impulse voltage 6KVDisplay Mode: LCD with backlight (5+1) displayInstallation Method: Rail Installation Weight: Approx. 96g / 3.4oz Package List: 1 * DDM18L Energy Meter 2 * Shell Accessories Package List