Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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Audited by an independent third-party inspection agency
Altitude :≤3000m.
Ambient temperature :-30ºC~+40ºC.
Pollution grade: Class II, Class III, Class IV.
Relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%(25ºC).
Wind pressure: not more than 700Pa(equivalent to 34m/s).
There are no inflammable substances, explosion hazards, chemical corrosion and violent vibration.
Name | Unit | Data | |
Rated voltage | KV | 40.5 | |
Rated insulation level | Withstand voltage of 1min power frequency | KV | 95 |
Lightning shock resistance (peak) | |||
Rated current | A | 185 | |
Mechanical life | Times | 1600/2000 | |
Rated pressure of sulfur hexafluoride (gauge pressure at 20C) | Mpa | 3000 | |
Locking pressure (gauge pressure at 20ºC) | Mpa | 0.45 | |
Minimum operating temperature | ºC | 0.42 | |
Rated short circuit breaking current | KA | -30 | |
Rated short circuit shut-off current (peak) | KA | 20/25/31.5 | |
Rated withstand current in short circuit (heat stable current) | KA | 63/80 | |
Rated peak withstand current (dynamic stable current) | KA | 35/31.5/100 | |
Rated out-of-step breaking current | KA | 63/80/100 | |
Rated short circuit duration | S | 4 | |
Closing time (at rated operating voltage) | S | ≤0.1 | |
Switching time (at rated operating voltage) | S | ≤0.07 | |
Rated operating sequence | 0-0.3-C0-180S-CO | ||
Rated open and close current of a single capacitor bank | A | 400 | |
Weight of sulfur hexafluoride gas | Kg | 8/5 | |
Weight of circuit breaker (including operating mechanism) | Kg | 14000/1000 |