| Brand | ROCKWILL |
| Model NO. | 12kV SF6 insulated switchgear/power distribution ring main unit |
| Rated voltage | 12kV |
| Rated frequency | 50/60Hz |
| Series | RMU |
Description
The 12kV SF6 insulated switchgear, also known as a power distribution ring main unit, is a compact, high-performance electrical equipment designed for medium-voltage power distribution networks. It integrates SF6 gas insulation technology to ensure stable operation in 12kV systems, serving as a critical component for safely controlling, protecting, and distributing electrical power in urban grids, industrial parks, and commercial complexes.
Key Features
Fully insulated and fully sealed design, air box protection grade IP67.
Select environmentally friendly materials. After the product is used, most of the materials can be recycled.
Complete shell grounding protection system, five-prevention interlocking and interlocking system.
Maintenance-free design: The high-voltage live part is sealed in the SF6 gas box, maintenance-free and cleaning-free.
The operation position is humanized, and the force is small, and the action procedure is reasonable.
Flexible expansion and wide application
Product parameters
| Rated voltage | 12kV |
| Rated current | 630A |
| Rated short-time withstand current | 20kA，4s |
| Rated peak withstand current | 50kA |
| 1min power frequency withstand voltage | 42kV |
| Lightning impulse withstand voltage | 75kV |
| Protection level | IP67 |
Environmental Conditions
Suitable Altitude: ≤2000mSuitable
Temperature: -40℃ ~ +55℃Relative
Humidity: Daily mean ≤95%, monthly mean ≤90%
Gradation of Earthquake Damage: ≤ Level 8
