China 12kv Metal Enclosed Solid Insulated Power Distribution Cabinet, Find details about China Power Distribution Cabinet, 12kv Power Distribution Cabinet from 12kv Metal Enclosed Solid Insulated Power Distribution Cabinet
Rated voltage | 12 kV |
Rated current | 630/1,250 A |
Rated frequency | 50 Hz |
Rated short-duration (1 min) power frequency withstand voltage | 42 kV |
Rated short-circuit breaking current | 20 kA |
Rated short-duration withstand current (4s) | 20 kA |
Rated lightning impluse withstand voltage | 75 kV |
Rated short-circuit making current (peak value) | 50 kA |
Rated peak withstand current | 50 kA |
Rated short-circuit current drop-out times | 30 times |
Mechanical service life of vacuum circuit breaker | 10,000 times |
Mechanical service life of disconnectors/ground switch | 2,000 times |
Protection degree of enclosure | IP4X |
Rated operating sequence of circuit breaker | O-0.3s-CO-180s-CO |
Rated work power supply | AC/DC 100/220V |
Description | Unit | Using Environment Value | |
Surrounding Air | Max Temperature | ºC | +50 |
Min Temperature | -50 | ||
Max Daily Temperature Difference | K | 30 | |
Altitude | m | ≤2,000 | |
Solar Radiation Intensity | W/cm2 | 0.1 | |
Pullution Class | IV | ||
Icing-Thickness | mm | 10 | |
Humidity | Average Value of Daily Relative Humidity | % | ≤100 |
Average Value of Monthly Relative Humidity | ≤95 | ||
Earthquake Torelance Ability | Degree | ≤8 |