China Dfwk 11kv 33kv Medium Voltage Outdoor Ring Main Unit Rmu Power Distribution Box, Find details about China Ring Main Uint, Rmu from Dfwk 11kv 33kv Medium Voltage Outdoor Ring Main Unit Rmu Power Distribution Box
Widely used in urban power grid transformation, residential areas, commercial centers and other densely populated areas.
serial number | name | unit | data |
1 | nominal voltage | kV | 12 |
2 | rated current | A | 630 |
3 | Power frequency voltage withstand (phase ground) | kV/min | 42 |
4 | Lightning impulse voltage | kV | 75 |
5 | rated breaking current | A | 630 |
6 | Rated short circuit opening and closing current (peak) | kA | 50 |
7 | Rated short-time tolerable current | kA/4S | 25 |
8 | Rated peak tolerable current | kA | 50 |
9 | Rated breaking capacitor current | A | 45 |
10 | Rated breaking inductor current | A | 16 |
11 | Full load breaking times | >100 | |
12 | Number of operation of switching machinery | 2000 |
1. Adopt prefabricated touchable silicone rubber cable end, fully sealed, fully insulated, maintenance-free, reliable guarantee of
personal safety
2. Compact structure, compact and beautiful appearance, stainless steel double-layer box, service life can reach more than 20
years;
3. Realize regional power outage maintenance and reduce power outage range without affecting the operation of the main network;
4. One or more SF6 load switches can be equipped.The connection mode is flexible and diverse, the branch and outlet line can reach
up to 8 circuits;
5. Optional lightning arrester, short circuit fault indicator, current limit fuse, etc., to meet various requirements of users.