Features: Energy meter with LCD backlight digital display, displays electricity consumption, voltage, current and power in turn. Voltage AC220V/50Hz, current 5A-80A, power 17000W, pulse output 1000imp/kwh and with pulse output indicator. 35mm DIN rail mounting; 17.5mm pole width; Supports Up-Out and Down-In / Up-In and Down-Out wiring method, easy to install. Adopt microelectronics and digital processing technology to measure electric energy accurately and reliably. Large-scale integrated circuits and precision SMT technology, with good electromagnetic interference resistance and stable performance. Specifications: Material: Plastic Model: DDM15SD Accuracy: First-class Reference Voltage: 220V / 50Hz Reference Current: 5-80ADisplay: Backlight LCD digital display Installation: 35mm DIN rail Pole Width: 17.5mm Wiring Method: Up-and-Down / Up-and-Down Power: 17000W Ambient Temperature: -20 ~ + 50 Item Size: Approx. 7.8 * 3.7 * 6.6cm / 3.1 * 1.5 * 2.6in Item Weight: 200g / 7.1oz Package Size: 8 * 7 * 4cm / 3.1 * 2.8 * 1.6in Package Weight: 300g Note: This energy meter does not have the reset function. Package List: