Outdoor Metal power distribution cabinet
Overview
DFW8-12/630 series cable branch box with load switch adopts SF6 gas-insulated three-position load switch,with external American/European-style full-insulation cable joint,the inlet and outlet wires of switch areled out from the sleeve.Suitable for underground distribution system of 3-12kv,it is the ideal equipment for renovation of urban power grid,not only retains the advantages of traditional branch voxes,but also possesses some merits of ring main units.
The main technical parameters
| Rated voltage(kv) | Rated current(A) | Rated Frequency(Hz) | Rated short circuit closing current(kA) | Rated short time withstand current(kA) | Rated peak withstand current(kA) |
| 12 | 630 | 50 | 50 | 25(1s) | 50 |
| Operation mechanism | Rated transfer current (A) | 1 min power frequency withstand voltage | Lighting impulse withstand voltage | Mechanical life (times) | SF6 BAR Standard charged pressure of SF6 gas(20℃) | Annual leakage ratio of SF6 gas |
| AC/DC220V、AC/DC110V、D4C8V、DC24V | 1800 | 42 48 | 95 110 | 2000次 | 0.4 |
DFW8-12/360 Common scheme number
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