item | value |
Place of Origin | China |
Zhejiang | |
Brand Name | LEQI |
Model Number | ZW43A-12 |
Type | Vacuum |
Poles Number | 3 |
Rated Voltage | 12KV |
Rated Frequency | 50Hz |
Product name | 12KV outdoor vacuum circuit breaker |
Rated current | 630A |
Breaking capacity | 12.5/16/20 KA |
Pole | 3 |
Certificate | ISO9001 |
Material | Metal |
Mechanical Life | 10000 Times |
Installation | outdoor |
Standard | IEC |
Rated short-time withstand current | 12.5/16/20 KA |
Rated short-time making current (peak value) | 31.5/40/50 KA |
Rated peak withstand current | 31.5/40/50KA |
Rated operating sequence | O-0.3s-CO-180s-CO |
Operation mode | spring operation ( electric/manual) |
Operation voltage | DC,AC 220 |
Travel of cpntact | 10±1 mm |
Over travel of contact | 3±1/0.5 mm |
centre distance between phase | 240±0.5 mm |
Average opening speed | 1±0.3 m/s |
Average closing time | 0.6±0.2 m/s m/s |
Opening time | ≤45 ms |
Closing time | ≤60 ms |
Three phase opening asynchronism | ≤2 ms |
Jumping time of contact closing | ≤2 ms |
Contact pressure | 2000±100 N |
Main circuit resistance of each phase | ≤60 μΩ |
Limited wearing thickness of contact | 3 mm |
