Features 1、This electric energy meter can measure positive active energy when measuring electric energy, and the LCD screen displays it clearly. 2、This multi functional small rail type electric meter is small in size and light in weight, and supports 35mm / 1.4in DIN rail installation. 3、This electric energy meter has low power consumption, high accuracy, high overload and anti theft current. 4、Using high quality ABS material, wear resistant, durable, it will have a long service life without intentional damage. 5、The rail electricity meter can measure directly and accurately the active energy of energy consumption. Specification Item Type: DIN Rail Electric Meter Material: ABS Working Environment: -25～55℃ Rated Current: 10 (40) A Frequency: 50Hz Pulse Constant: 1600imp/Kwh Package List 1 x Electric Meter 4 x Screw Cover