vacuum circuit breaker，Outdoor Vacuum Circuit Breaker Factoy ZW7-40.5 2000-31.5 outdoor Vacuum circuit breaker
product detail
The product overall structure of the pillars for the vase style on insulator mounted within the vacuum interrupter, the main column under the porcelain vase porcelain vase. for frequent operation place. It have good sealing, anti-aging, high pressure, no burning, no explosion, long service life, installation and maintenance and convenient.
Environment condition
1.Ambient Temperature: -45℃ - +45℃
- Altitude:≤1500m (if the altitude increased, then the insulation must be higher)
- Wind Pressure: no more than 700Pa (equal to 34m/s wind speed)
- Earthquake Level: no greater than 8
- Pollution Level: IV
- Maximum Temperature Drop: no more than 25°C
Technical parameter
|
Item |
Unit |
Data |
||
|
Rated Voltage |
kV |
40.5 |
||
|
Rated Insulation Level |
1Min Power Frequency withstand voltage |
Dry |
95 |
|
|
Wet |
80 |
|||
|
Lightning Impulse withstand voltage(Peak) |
185 |
|||
|
Rated Current |
A |
630/1250/1600/2000 |
||
|
Rated Short-circuit Breaking Current |
KA |
25/31.5/40 |
||
|
Rated Operating Sequence |
O-0.3s-C0-180s-CO |
|||
|
Rated Short-circuit Opening Times |
Times |
20 |
||
|
Rated Short-circuit Closing Current(Peak) |
kA |
50;63;80 |
||
|
Rated Peak withstand Current |
20;25;31.5 |
|||
|
Rated Short Time withstand Current |
kA |
31.5 |
||
|
Rated Short-circuit Duration |
s |
4 |
||
|
Average Closing Speed |
m/s |
0.7±0.2 |
||
|
Average Opening Speed |
1.5±0.2 |
|||
|
Closing Time |
≤150 |
|||
|
Opening Time |
≤60 |
|||
|
Mechanical Life |
Times |
10000 |
||
|
Rated Operating Voltage and Auxiliary Circuit Rated Voltage |
V |
AC/DC110/220 |
||
|
DC Current Resistance of Each Phase (Without transformer) |
μΩ |
≤100 |
||
|
Weight |
KG |
1100 |
||