Branch Box (no switch)
Comply to: GB/T12706.4 rated voltage 1kV (UM=1.2kV) to 35kV (UM=40.5kV) extruded insulated power cables and accessories GB4208 enclosure protection level (IP code), GB50150 electrical equipment installation engineering electrical equipment handover test standard, GB4109 high voltage bushing technical conditions, GB/T16927.1-2 high voltage test technology
| Item | Unit | Parameter |
Rated working voltage | KV | 40.5 |
| Rated current of main busbar | A | 630 |
| Power frequency withstand voltage for 1 minute | KV | 95 |
| Lightning impulse withstand voltage | KV | 185 |
| Partial discharge level (45kV) | PC | s10 |
| Rated short-time withstand current of the main circuit (2S) | KA | 25 |
| Rated peak withstand current of the main circuit (0.3S) | KA | 63 |
| Box size (three branches) length * width * height | 1200X800X1200 | |
Box protection level | IP44 | |
