XL Low-Voltage power Distributing Box（Abbreviation as Power box）used in metallurgy, mining, petroleum, chemical, textile, building materials, machinery processing, transportation, hotels, restaurants and other power users of AC 50Hz, rated voltage of 400V power distribution system, rated current to 630A, as the driving force, motor control and lighting for.It to meet GB7251.12, “CCC” certification related standards
| Project name | Unit | Data | ||
| Rated voltage?Ue | V | 400 | ||
| Rated insulation voltage?Ui | V | 690 | ||
| Rated current?In | A | 250～100 | 250～100 | 600～250 |
| Rated short-time tolerant current?Icw | kA | 4 | 10 | 15 |
| Rated Peak-Peak tolerant current??Ipk | kA | 6 | 17 | 30 |
| Outer covering protection rank | IP43 | IP43 | IP30 | |
