MODEL - XTM75S-U DIN rail electricity meter. It has a 6-pole width (125mm module) and complies with standard GB/T7121-1993. Features a 5+1 digit LCD display (99999.1kWh). BENEFITS - Bidirectional measurement of single-phase two-wire active energy consumption. The direction of the load current does not matter. STANDARD DIN EN50022 - 35mm standard DIN rail installation, compliant with DIN EN50022. Standard configuration does not detect load current direction. Optional automatic detection of load current direction. Includes an individual LED indicator. HIGH QUALITY - Standard configuration includes a passive pulse output port (polarity). Optional remote passive pulse output port (non-polarity) is available, compliant with IEC 62053-31. Specifications: Model: XTM75S-U Accuracy: Class 1 Voltage: 220V Insulation Performance: AC voltage 4kv for 1 minute, 12/50us impulse voltage 6kv Size: 10 x 76cm / 3.94 x 2.99in Style: 5-30A Color: White Material: ABS Package Contents: 1 * DIN rail electricity meter Only the above package content is included. Other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.