Product Description
Applicable place:(Suitable forfrequent operating places)
1.Urban,rural network.
2.Industrial enterprises.
Itis mainlyused in outdoor40.5KVdistribution system to control and protect.
ZW7-40.5 Vacuum Breaker Advantages
1.It conforms toGB1984-89andIEC56“AC high voltage circuit breaker”.
2.It can be charged and switched by remote control switch or by hand.
3.Good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.
4.It is composed ofspring operating mechanismorelectromagnetic operating mechanism.
5.Its overall structure is supported by porcelain insulator, vacuum interrupter built in upper insulator, downside insulator used for supporting. The breaker applies
Environmental Conditions
Ambient temperature:-15°C~+40°CRelative humidity:≤95%or≤90%
Thedaily average saturated vapor pressure:≤2.2KPa;
Themonthly average value:≤1.8KPa.
Altitude:≤1000m
Seismic intensity:≤8
*No fire, explosion, serious filthy, chemical corrosion and violent vibration of places.
Main Technical Parameters
Description |
Unit |
Data |
Ratedvoltage |
KV |
40.5 |
Ratedcurrent |
A |
630/1250/1600/2000 |
Ratedfrequency |
Hz |
50/60 |
Ratedshort-circuitbrekaingcurrent |
kA |
20/25/31.5/40 |
Meachicallife |
Time |
10000 |
Overall and installation dimension
Service Environment