- Tel: 086-577-61717596
- E-mail: info@chyf.com
Description:
Overall structure: three-phase common box type; Spring energy storage mechanism (CT23): electric or manual; Applicable: Power systems with three-phase AC 50Hz and rated voltage of 12KV; Main purpose: To disconnect the load current, overload current, and short-circuit current of rural power grids, domain networks, and small power systems. ZW8-12 (G) consists of a ZW8-12 circuit breaker and an isolation switch, known as a combination circuit breaker, which can be used as a segmented switch.
| No. | ltem | Unit | Data | |
| 1 | Rated voltage | KV | 12 | |
| 2 | Rated Current | A | 630 | |
| 3 | Power frequency withstand voltage (1 min) | KV | 42 | |
| 4 | Lightning impulse withstand voltage (peak) | 75 | ||
| 5 | Rated short circuit breaking current | KA | 16 20 25 | |
| 6 | Rated short circuit closing current | 40 50 63 | ||
| 7 | Rated peak withstand current | 40 50 63 | ||
| 8 | 4s short-time withstand current | 16 20 25 | ||
| 9 | Rated operating sequence | O-0.3s-CO-180s-CO | ||
| 10 | Rated short-circuit breaking current breaking times | Times | 30 | |
| 11 | Mechanical life | 10000 | ||
| Rated voltage of energy storage motor | V | DC or AC 220 | ||
| 12 | Rated operating voltage with special spring operating mechanism | Opening coil | ||
| Closing coil | ||||
| 13 | Overcurrent release rated current | A | 5 | |
| 14 | Dynamic and static contacts allow wear thickness | mm | 3 | |
