630A Durable Cable Distribution Box
Product description:
Item |
Unit |
Paremeter |
Rated voltage |
KV |
12 |
24 |
Rated current |
A |
630 |
630 |
Rated short time withstand current |
KA/3S |
20 |
20 |
Rated peak withstand current |
KA/3S |
50 |
50 |
Power frequency voltag/phase/to ground/fracture |
KV |
42/48 |
42/48 |
Lighting impulse withstand voltage |
KV |
85 |
85 |
Secondary circuit power frequency withstand voltage |
KV |
2 |
2 |
Rated current breaking times |
Time |
100 |
100 |
Rated cable breaking current |
A |
10 |
10 |
Rated closed-loop breaking current |
A |
630 |
630 |
Shell protection class |
|
IP66 |
IP66 |
SF6 gas pressure(Relative absolute pressure) |
KPa |
40 |
40 |
SF6 gas leak rate |
|
<1‰ |
<1‰ |
Equipped with cable cross section |
mm² |
<=400 |
<=400 |
DFW type cable distribution box without switch is outdoor high voltage
electrical equipment with 12kV rated voltage, 630A rated current,whose
cabinet with 2 mm stainless steel, durable, for receiving and distribution of power purposes.
Features:
Anti harsh environment, anti condensation, frost, fog, salt contamination,
corrosion resistance etc;
Live part is fully insulated, fully sealed structure;
Simple connection, flexible and convenient, safe and reliable.
Applicable conditions:
Altitude:≤2000m
Ambienttemperature:-35ºC~+40ºC
Relative humidity:
Daily average≤95%,Monthly average≤90%
Seismic capacity: 8 degrees
Current |
AC |
Altitude |
≤2000m |
Ambienttemperature |
-35ºC-+40ºC |
Seismic Capacity |
8 degree |