12kv outdoor VCB
AC three-phase, 50HZ
630A, 1250A
OEM & ODM,Complete equipment
CCC,ISO9001,CE, CB,IEC60898
12kv outdoor VCB (ZW32 series) spring mechanism outdoor vacuum breaker, a kind of outdoor pillar high voltage vacuum circuit breaker, with 50Hz, three-phase alternating current, and 12 KV rated voltage.
Standards compliant of CCC,ISO9001,CE, CB,IEC60898.
It applies to open circuit, close the load current, overload current and short -circuit current and other power distribution system, such as a substation, industrial and mining.
12KV 630A/1250A ZW32 series VCB for outdoor use, such as power transmission network or substation poles.
Features
- High reliability, high mechanical and electrical life;
- No maintenance;
- Small size, lightweight, easy to install;
- Standard relay protection and quick automatic reclosing function;
Normal service condition
| Altitude | ≤1000m |
| Ambient temperature | Max | +40℃ |
| Min | -15℃ |
| Ambient humidity: Maximum average humidity | 24 hour ≤95% |
| 1 month ≤90% |
| Maximum water vapor pressure | 24 hours ≤2.2kpa |
| 1 month ≤1.8kpa |
The ambient air has no obvious pollution of dust smoke, corrosive or combustible gases, steams or smog
12kv Outdoor VCB Technical Parameters
| No. | Items | Unit | Parameter |
| 1 | Rated voltage | KV | 12 |
| 2 | Rated current | A | 630 1250 |
| 3 | Rated frequency | Hz | 50/60 |
| 4 | 1 minute withstand pressure | Wet | KV | 34 |
| | | Dry | | 42 |
| | | To ground | | 49 |
| 5 | Lightning shock withstand current phase, to ground | KV | 75/85 |
| 6 | Rated short-circuit breaking current | KA | 20 25 |
| 7 | Rated short-circuit closing current | | 50 63 |
| 8 | Rated peak value of withstanding current | | 50 63 |
| 9 | 4s short-time withstand current | | 20 25 |
| 10 | Rated operating sequence | | O-0.3s-CO-180s-CO |
| 11 | Rated short circuit breaking current breaking times | times | 30 |
| 12 | Mechanical endurance | | 30000 |
| 13 | Permanent magnet control voltage | V | AC/DC 220 |
| 14 | Secondary circuit, 1-minute power frequency withstand voltage | KV | 2 |
Standard Drawing
