ZW32-12 model outdoor AC vacuum circuit breaker is used to make and break load current,overload current and short-circuit cur rent in12/24kV,50/60Hz power system.It is applicable for substations,industry and mining,urban and rural electricity power networks,especially foroccasions with frequent operation and automatic power distribution network.It accords with the standard of IEC62271-100&GB1984:AC highvoltage circuit breaker,IEC60694&GB/T11022:HV General technical requirement of switch and control apparatus.
1.Altitude:<2000mm;
2.Ambient temperature:-40℃~+45℃
3.Wind speed:34m/s;
4.Earthquake intensity:<8 degree;
5.Ambient pollution:IV;
6.Ice thickNess:10mm;
7.Applicable occasions should be free from inflammables,explosives,corrosives and severe vibrations.
| No | Name | Unit | Data | ||
| 12kV | |||||
| 1 | Rated voltag | kV | 12 | ||
| 2 | Rated current | A | 630、1250 | ||
3 | Rated insulating level | 1min.PF withstand voltage | dry | kV | across open:42 contacts:48 |
| wet | 34 | ||||
| 4 | Lightning impulse withstand voltage(peak) | kV | Interphase, to ground 75, break 85 | ||
| 5 | Rated short-circuit breaking curren | kA | 20、25 | ||
| 6 | Rated short-circuit making current (peak) | kA | 50、63 | ||
| 7 | Rated peak withstand current | kA | 50、63 | ||
| 8 | 4s rated short-time withstand current | kA | 20、25 | ||
| 9 | Rated operating sequence | O-0.3s-CO-180s-CO | |||
| 10 | Breaking times of rated short-circuit breaking current | 次times | 30 | ||
| 11 | Mechanical duration | 次times | 10000 | ||
| 12 | Rated voltage of energy storage motor | V | DC or AC220、DC110、48、24 | ||
| 13 | Rated operation voltage | V | DCor AC220、DC110、48、24 | ||
| 14 | Abrasions thickNess of contacts | mm | 3 | ||
| 15 | Rated current of over-current release | A | 5 | ||
| 16 | Current transformer ratio | 200/5,400/5,600/5 Protection degree:III class,Class:0.5) | |||
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