Features 1、35mm standard DIN rail installation, complying with standard DIN EN50022. 2、The meter is completely conformed to the relative requirements of the National Standard GB/T17215.321-2008 and International Standard IEC62053-21 on the meter (Class 1). 3、It can accurately and directly measure active energy consumption from positive and reverse directions. 4、The meter is used for measuring active energy power consumption in a rated frequency of 50Hz 5、Good reliability, small volume, light weight, specious nice appearance, advanced technics. Specification Features: 35mm standard DIN rail installation, complying with standard DIN EN50022. The meter is completely conformed to the relative requirements of the National Standard GB/T17215.321-2008 and International Standard IEC62053-21 on the meter (Class 1). It can accurately and directly measure active energy consumption from positive and reverse directions. The meter is used for measuring active energy power consumption in a rated frequency of 50Hz Good reliability, small volume, light weight, specious nice appearance, advanced technics. Specifications: Model: XTM015 Accuracy: Class 1 Current: 10(40)A Size: Approx. 10.2 x 6.5cm / 4 x 2.5in Weight: 155g Package included: 1 x DIN-Rail Electric Meter 1 x Manual Note: Double-row display, the upper row can be reset, the lower row is cumulative, can't be reset Package List