| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
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Outdoor live tank self-energy HV AC SF6 circuit breaker is an outdoor three-phaseHV AC equipment used in electricity grids with altitudes of no more than 3000m, environment temperatures of no less than -40ºC, local pollution classes of no higher than Class IV, and AC 50Hz with maximum voltage of 40.5kV. It can also be used as a connection circuit breaker.
Ambient air temperature -25ºC(-40ºC)~+40ºC;
Altitude ≤2500m(2000m);
Wind speed ≤34m/s;
Daily temperature difference ≤25ºC;
Sunshine intensity ≤1000W/m;
Seismic horizontal resistance 8 degrees: horizontal acceleration 0.2g, vertical acceleration 0.1g;
Ice thickness ≤10mm;
The degree of air pollution does not exceed Class IV in GB/T5582;
Outdoor installation.
Note: The value in brackets is the parameter when the circuit breaker air pressure is 0.33MPa.
| Name | Unit | Data |
| Rated current | A | 630 |
| Rated closing operating voltage | V | AC220 |
| Rated frequency | Hz | 50 |
| Rated opening operating voltage | V | AC220 |
| Peak value of rated closing current | KA | 50 |
| Different closing periods | ≤2 | |
| 4s Rated heat stable current | KA | 20 |
| SF6 gas rated pressure (gauge pressure) | Mpa | 0.01 |
| Rated energy storage motor voltage | V | AV220 |
| Rated voltage | KV | 40.5 |
| Rated short-circuit breaking current | KA | 50 |
| Mechanical life | Times | 10000 |
| Rated dynamic stable current (peak) | KA | 20 |
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