Description
ZW32-24 outdaoor HV vacuum circuit breaker is a 3-phase AC 50Hz 24kV outdoor switch equipment.
◇ Installation way: pole mounted;
◇ Operating mechanism: spring operating mechanism and permanent magnetic operating mechanism;
◇ Pole type: integrated pole;
◇ Application: outdoor 24kV substation, power plant.
◇ Operation type: manual, electric, remote control.
Specifications
| No. | Item | Units | Parameters | ||
| 1 | Rated voltage | Kv | 24 | ||
| 2 | Rated frequency | Hz | 50 | ||
| 3 | Rated current | A | 630 | 1250 | |
| 4 | Rated short－circuit breaking current | kA | 20 | 25 | |
| 5 | Rated peak withstand current（peak） | kA | 50 | 63 | |
| 6 | Rated short-circuit closing current（peak） | kA | 40 | 63 | |
| 7 | Rated short-time withstand current and duration | kA/S | 20/4 | 25/4 | |
| 8 | Rated operation sequence | O－0 . 3s-CO-180s-CO | |||
| 9 | Mechanical life | Times | 10000 | ||
| 10 | Breaking times of rated short-circuit breaking current | Times | 20 | ||
| 11 | 1min power frequency withstand voltage | (wet) over the groundlinter phase/fracture | kV | 50/65 | |
| (dry) over the groundlinter phaseffracture | 65/79 | ||||
| Secondary loop | 3 | ||||
| 12 | Lighting impulse withstand voltage(peak) Overthe group，interphase/fracture | KA | 125/145 | ||
