Features Bipolar width, in line with DIN43880 standard, quasi-GB/T17245.321-2008. 35mm standard DIN rail installation, in line with DIN EN50022 standard. In line with the standard embedded terminal cover, beautiful and generous, safe to use electricity. Standard 5+1 digit display (99999.1kWh) LCD. One-way measurement of single-phase two-wire has power consumption, which has nothing to do with the flow direction of the load current. Features: 1.Bipolar width, in line with DIN43880 standard, quasi-GB/T17245.321-2008. 2.35mm standard DIN rail installation, in line with DIN EN50022 standard. 3.In line with the standard embedded terminal cover, beautiful and generous, safe to use electricity.                4.Standard 5+1 digit display (99999.1kWh) LCD. 5.One-way measurement of single-phase two-wire has power consumption, which has nothing to do with the flow direction of the load current. Specifications: Model: XTM35SC Accuracy: Class 1 Voltage: 220V Current: 5(80)A  Insulation performance: AC voltage 4kv for 1 minute,1.2/50us waveform impulse voltage 6kv Size:  8.3 x 6.5cm / 3.27 x 2.56in Weight: 136g Service guarantee ：100% brand new product, all refund if unsatisfied If you have any questions, please contact our professional customer service team. Package List 1 x DIN-Rail Electric Meter 1 x Manual 4 x Accessories