DFWK Cable Branch Box with Switches
The DFWK Cable Branch Box with Switches (12kV) is designed for urban and industrial cable networks. Featuring fully insulated and sealed construction, it integrates load break/isolating and earthing switches for sectionalizing, tie-in, and maintenance isolation. It offers easy installation, minimal maintenance, and reliable outdoor performance.
Get a QuoteFunctional Features
1.Adopt prefabricated live and touchable silicone rubber cable heads, which are fully sealed, fully insulated, and maintenance-free, ensuring reliable personal safety;
2.Compact structure, small and beautiful appearance, double-layer box, with a service life of up to 20 years;
3.Without affecting the operation of the main network, achieve regional power outage maintenance and reduce the scope of power outages;
4.It can be equipped with one or more SF6 load switches. The wiring methods are flexible and diverse, and the branch line can reach up to 8 circuits;
5.optional arrester, short circuit fault indicator, limited viewership of fuses, etc., to meet the user’s requirements.
Model and meaning
Technical Specification
| Item | Unit | Parameters |
| Rated Voltage | kV | 12 |
| Rated Current | A | 630 |
| Power Frequency Withstand Voltage (phase ground) | kV/min | 42 |
| Lightning Impulse Voltage | kV | 75 |
| Rated Breaking Current | A | 630 |
| Rated Short-circuit Switching Current (peak) | kA | 50 |
| Rated Short-time Withstand Current | kA/4s | 25 |
| Rated Peak Withstand Current | kA | 50 |
| Rated Breaking Capacitor Current | A | 45 |
| Rated On-off Inductance Current | 16 | |
| Full Load Breaking Times | Times | >100 |
| Number of Opening and Closing Mechanical Operations | 2000 |
Foundation Diagram
