| Model: | - |
|---|---|
| Brand: | - |
| Origin: | - |
| Category: | Electronics & Electricity / Other Electrical & Electronic |
| Label: | vacuum circuit break , circuit breaker , HVD85-40.5/2000-31.5 |
| Price: |
US $5821
/ pc
|
| Min. Order: | 10 pc |
| Last Online:30 Dec, 2014 |
1.General
HVD85-40.5（ZN85-40.5）is suitable for three-phase AC power system of 50Hz and 40.5kV, used to make and break the load current, overload current and fault current in industrial and mining enterprises, power plants and transformer substations, meanwhile, it is suitable for the occasion where the frequent operation is required.
2.Model description
3. Service conditions
3.1The ambient air temperature should be -15℃~40℃, the daily average temperature should not exceed 35℃.
3.2 Daily mean relative humidity should not exceed 95%, and the daily mean vapor pressure should not exceed 2.2kPa; the monthly mean relative humidity should not be higher than 90%, and the monthly mean vapor pressure should not exceed 1.8kPa.
3.3 Altitude: Not exceed 1,000m.
3.4 The ambient air should be free from the dust, smoke, corrosive and flammable gas, steam, salt fog, et…
1. Main specifications and technical parameters
|
Item |
Unit |
Parameter |
|
Rated voltage |
kV |
40.5 |
|
1 min power frequency withstand voltage(effective value) |
kV |
95 |
|
Lighting impulse withstand voltage(peak) |
kV |
185 |
|
Rated frequency |
Hz |
50 |
|
Rated current |
A |
2000 |
|
Rated short-time withstand current |
kA |
31.5 |
|
Rated peak value withstand current |
kA |
80 |
|
Rated short-circuit duration |
S |
4 |
|
Rated short-circuit breaking current |
kA |
31.5 |
|
Rated short-circuit making current |
kA |
80 |
|
Rated operation sequence |
|
O-0.3s-CO-180s-CO |
|
Breaking time |
ms |
<80 |
|
Rated short circuit current breaking times |
Times |
20 |
|
Single capacitor bank breaking current |
A |
630 |
|
Back-to-Back capacitor bank breaking current |
A |
400 |
|
Rated control voltage |
V |
AC110、220；DC110、220 |
|
Mechanical life |
Times |
10000 |
