Features: _x000D_ 35mm standard DIN rail installation, complying with standard DIN EN50022. _x000D_ Six pole width (Modulus 12.5mm), complying with standard JB/T7121-1993. _x000D_ May select 5+1LCD digits display (99999.1kWh) . _x000D_ Standard configuration one port of pulse output passive (polarity), May select increase a distant port of pulse output passive (nonpolarity), complying with standard IEC 62053-31 _x000D_ Standard configuration don't detection direction of the flow of load current. May select automatic detection the direction of the flow of load current. And instructions by an individual LED. _x000D_ Single direction measure single phase two wire active energy consumption. It is nothing with direction of the flow of load current. Complying with standard IEC 62053-21. _x000D_ Standard configuration short terminals cover, may select extension terminals cover, in order to protect to use safely. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Model: XTM75S-U _x000D_ _x000D_ Accuracy: Class 1 _x000D_ Voltage: 220V _x000D_ Current: 5(30)A,15(60)A, 20(80)A (Optional) _x000D_ Insulation performance: AC voltage 4kv for 1 minute,1.2/50us waveform impulse voltage 6kv _x000D_ Size: 10 x 7.6cm / 3.94 x 2.99in_x000D_ _x000D_ Weight: Approx. 270-277g _x000D_ _x000D_ _x000D_ Package included: _x000D_ 1 x DIN-Rail Electric Meter _x000D_ 1 x Manual _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.