GTXGN massief geïsoleerde ringnetwerkschakelaars
GTXGN-12/24 series solid insulated ring network switch cabinet is the main unit switch of solid composite insulated ring network used in medium voltage distribution network.
New environmentally friendly materials Vacuum arc extinguishing Direct-acting isolation switch
Technische parameters
Project | units | Parameters | ||
---|---|---|---|---|
Nominale spanning | kV | 12 | 24 | |
Nominale stroom | A | 630 | 630 | |
Nominale frequentie | Hz | 50 | 50 | |
Rated insulation level | One-minute power frequency withstand voltage: ground, phase-to-phase isolation/fracture | kA | 42/48 | 65/75 |
Lightning impulse withstand voltage: ground, phase isolation/fracture | kA | 75/85 | 125/145 | |
Rated short-time withstand current (main circuit and ground circuit) | A | 25 | 25 | |
Rated peak withstand current | kA | 50 | 50 | |
Rated short circuit duration | times | 3 | 3 | |
Rated dynamic stable current | A | 50 | 50 | |
Rated current of fuse circuit (maximum) | s | 125 | 125 | |
Rated transfer current | A | 1700 | 1700 | |
Vacuum circuit breaker breaking capacity | kA | 25 | 25 | |
Load switch mechanical life | Times | 5000 | 5000 | |
Vacuum circuit breaker mechanical life | Times | 10000 | 10000 | |
Grounding switch mechanical life | Times | 2000 | 2000 | |
Operating supply voltage | V | 24V DC | 24V DC | |
220V AC/DC | 220V AC/DC |
Technische parameters
New environmentally friendly materials
Vacuum arc extinguishing
Direct acting isolation switchFully sealed, fully insulated cable entry and exit lines
Modular and scalable
Various wiring options
Visible fracture
Electrically operated, FTU