Customization: | Available |
---|---|
Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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1.opening an closing push-buttons | 6.enclosure(power part) |
2.line operating lever seat | 7.housing of the operating mechanism |
3.earth operating lever seat | 8.bottom insulators |
4.voltage indicators (if applicable) | 9.mimic diagram |
5.top insulators |
Rated voltage | kV | 12 | 17.5 | 24 |
Power frequency withstand voltage(50/60Hz, 1 min) | ||||
-line to line and line to earth | kV | 28 | 38 | 50 |
-between open contacts | kV | 32 | 45 | 60 |
Lightning impulse withstand voltage(BIL 1.2/50us) | ||||
-line to line and line to earth | kVp | 75 | 95 | 125 |
-between open contacts | kVp | 85 | 110 | 145 |
Rated frequency | Hz | 50-60 | 50-60 | 50-60 |
Rated current(40ºC) | A | 800 | 800 | 630 |
Admissible rated short-time withstand current | kA | 25(2s) | 20(3s) | 16(3s)-20(3s) |
Making capacity(peak current) | kAp | 62.5 | 52.5 | 40-52.5 |
Breaking capacity | ||||
-active load | A | 800 | 800 | 630 |
-no-load transformer | A | 16 | 16 | 16 |
-no-load lines | A | 25 | 25 | 25 |
-no-load cables | A | 50 | 50 | 50 |
-ring circuits | A | 800 | 800 | 630 |