Customization: | Available |
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Type: | Distribution Metering Box |
Structure: | Protection |
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Outdoor 11kV High Voltage Cable Branch Box Power Distribution Cabinet/Cable Junction Box
S/N |
Item |
Unit |
parameters |
|
1 |
Rated voltage |
KV |
12, 24, 33,40.5KV |
|
2 |
Rated current |
A |
630 |
|
3 |
Rated frequency |
Hz |
50 |
|
4 |
Rated short time withstand current |
KA |
20 |
|
5 |
Rated short circuit duration |
S |
4 |
|
6 |
Rated withstand current (peak) |
KA |
50 |
|
7 |
Rated short circuit duration of grounding switch |
S |
4 |
|
8 |
Rated short withstand current (peak) of grounding switch |
KA |
50 |
|
9 |
Rated insulation level |
1min power frequency withstand voltage (effective value) |
KV |
(phase-phase, phase-earth)42; (fracture) 48 |
Lightning impulse withstand voltage (peak) |
KV |
phase-phase, phase-earth)75; (fracture) 85 |
||
10 |
Rated SF6 pressure (20°C gage pressure0 |
Mpa |
0.04 |
|
11 |
SF6 leakage rate per year |
|
1% |
|
12 |
Protection degree |
|
IP3* |