The ENTES EPM-4D-48 (Ammeter with Demand): This is a Type PR 20 and measures 48 x 96mm. The EPM-4D-48 is designed to measure RMS value of AC current which flows from the line and saving the instant and average demands. The current transformer ratio can be set between 5/5A and 10000/5A by the buttons on the panel. * Operating voltage 230V / AC * Measuring range 50mA to 10kA * Demand values * Hysteresis * Individual limits * True RMS Measurement * Adjustable Current Transformer Ratio (for EPM34/14 1...1000/5A 1...5000/1A) * Double Isolation, Category III * Front Panel or Rail Mounting * Ambient Operating Temperature: -5°C, +50°C for EPM14/35 -5°C, +70°C * Dimensions: 48 x 96mm * Manufacturer's part: ENTES EPM-4D-48