high voltage indoor circuit breaker
Product Detailed
compact structure
and small outlines
high breaking capacity
short arcing distance
Main Technical Data | |||
Rated voltage | kv | 40.5 | |
Rated lighting impulse withstand voltage(peak) | kv | 185 | |
Rated short-time power frequency withstand voltage(1min) | kv | 95 | |
Rated short-circuit breaking current | kA | 25 | 31.5 |
Rated current | A | 1250/1600 | 1250/1600/2000 |
Rated thermostability current(effective value) | kA | 25 | 31.5 |
Rated dynamic stability current(peak) | kA | 63 | 80 |
Rated short-circuit making current(peak) | kA | 63 | 80 |
Rated operations of short-circuit breaking current interruption | times | 20 | |
Rated duration of short-circuit | s | 4 | |
Rated operating sequence | 0-0.3-CO-180s -CO | ||
Rated current for closing and opening coil | A | ||
Soure power for circuit of closing and opening device | v | 110 | 220 |
Closing time | ms | 30~75 | |
Opening time | ms | 30~65 | |
Rated voltage for energy saving motor | v | AC,DC220 AC,DC110 | |
Rated single capacitor bank breaking current | A | 630 | |
Rated back to back capacitor bank breaking current | A | 400 | |
Mechanical life | times | (M1 degree)10000 | |
Mechanical characteristics adjustment data | |||
Rated contact stroke | mm | 22±2 | |
Contact overtravel | mm | 8±2 | |
Average opening speed | m/s | 1.0~1.8 | |
Average closing speed | m/s | 0.6~1.1 | |
Contact bouncing duration at closing operation | ms | ≤3 | |
Core distance between phases | mm | 350,400,460 | |
Three-pole simultaneity | ms | ≤2 | |
Condactive circuit resistance of each phases | μΩ | ≤45 | |
Note:Rated characteristics can be given on requirment |
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