ZW8-12 Outdoor Vacuum Circuit Breaker
ZW8-12
ZW8-12 outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short cicruit protection in 12kV, 50Hz/60Hz power system.
Quantity
ZW8-12 Outdoor Vacuum Circuit Breaker
ZW8-12 outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short cicruit protection in 12kV,50Hz/60Hz power system.
It is applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic
power distribution network. It accords with the standards of IEC62271-100 & GB1984 AC high voltage circuit breaker, GB/11022 HV general technical requirement of
switch and control apparatus.
Technical Parameter
| Item | Unit | Data |
| Rated voltage | kV | 12 |
Power frequency withstand voltage (1min) | kV | 42 |
Lightning impulse withstand voltage (peak) | kV | 75 |
Rated current | A | 630/1000 |
Rated power frequency | Hz | 50/60 |
Rated short circuit breaking current | kA | 12.5/16/20 |
Rated operating sequence | O-0.3s-CO-180s-CO | |
| Breaking number for rated short-circuit current | Times | 30 |
Rated short circuit making current (peak) | kA | 31.5/40/50 |
Rated withstand current (peak) | kA | 31.5/40/50 |
Rated short-duration withstand current (4s) | kA | 12.5/16/20 |
Rated short circuit duration | s | 4 |
Mechanical life | Times | 10000 |
Rated operating voltage and rated auxiliary circuit voltage | V | AC220V DC220V DC24V |
Rated current of over-current tripper | A | 5 |
Outline and installation dimensions
Why Us?
1. Schneider trusted material supplier, you no worry for quality control;
2. STL standard testing lab inside own property factory industrial zone;
2. STL standard testing lab inside own property factory industrial zone;
3. 23 years experience of production Medium voltage circuit breaker material, 17 years for overseas market; you no worry for communication and save time.
