ZW32C2-12 Automatic Recloser High Voltage Vacuum Circuit Breaker With Disconn Outdoor Vacuum Circuit Breaker
Products details:
- Model Number: ZW32C2-12 Outdoor Vacuum Circuit Breaker
- Rated voltage: 10-12kV
- Rated currend: 630A
- Rated frequency: 50HZ
- Breaking current: 20KKA
- Model Number: ZW32-12
Summery:
ZW32C2-12 series outdoor high voltage vacuum breaker is produced by Cavanna Electric Co., Ltd., used in AC 50Hz,rated voltage 12kV three-phase power system for closing/breaking load current,overcurrent and short-circuit current.the breakercan equip with reclosing controller to identiy break current characteristics and achieve multiple automatic reclosing or faultisolation.Self-provided PT as a power source,it becomes a smart circuit breake able to controlr with signal output of voltage and current.The electronic PT provides power supply and can complete three-stage composite protection of overcurrent delay, inrush current delay, and short-circuit and quick-break.
Working condition:
- Altitude:≤1000m
- Ambient air temperature:-40℃~ +40℃; Daily temperature difference:25℃
- Wind speed:≤34m/s (Equal to 700Pa over cylindrical surface)
- Earthquake intensty:8 degree
- Relative humidity: Monthly average≤90%; Daily average≤95%
- Ice thickness:10mm
- Applicable occasions should free from inflammables, explosives, corrosives and severe vibrations
Technical parameter
| Item | Unit | Data |
| Rated voltage | kV | 24 |
| Rated frequency | Hz | 50 |
| Rated current | A | 630/1250 |
| Rated short circuit breaking current | kA | 16/20 |
Rated short circuit closing current (peak) | kA | 40/50 |
| Rated short-time withstand current (4s) | kA | 16/20 |
Rated withstand current (peak) | kA | 40/50 |
| Mechanical life | Times | Spring Operation 10000/Permanent Magnetic 30000 |
Rated operation order | O-0.3s-CO-180s-CO | |
Breaking times of rated short circuit breaking current | Times | 30 |
| Power frequency withstand voltage (1min) | kV | 65/79(to ground, inter-pole/fracture) |
| Lightning impulse withstand voltage (peak) | kV | 96/110 ( inter-pole/fracture) |
| Closing time | ms | 25~60 |
| Total breaking time | ms | ≤100 |
| Arcing time | ms | ≤20 |
| Rated input power of energy storage motor | W | 40 |
Rated closing voltage and rated opening voltage | V | DC220/110 AC220 |
Motor energy storage time | s | ≤8 |
Secondary circuit power frequency withstand voltage (1min） | V | 2000 |
| Item | Closing coil | Opening coil | Over-current tripping coil |
| Rated voltage (V) | 220 | 220 | |
| Rated working current(A) | AC:5 DC:3.2 | AC:5 DC:0.8 | 5 |
| Voltage and current rang under normal working | Action on 65%-110% of rated voltage | Action on 65%-110% of rated voltage avoid tripping under less than 30% of rated voltage | Action on 65%-110% of rated voltage avoid tripping under less than 90% of rated voltage |
Product feature
- Mini vacuum arc extinguish; High reliability; Small volume; Long life time; Fixed inside the epoxy resin.
- Epoxy resin sealing anti-ozone,anti-ultraviolet;It is firm, light and convenience for transportation.
- Spring Mechanism and Permanent Magnetic;reliable performance, maintenance free.
- Manual and motor closing & opening. It can be operated by manual and motor, a signal of C/O and storage in outside.
- Switch case: Aluminum alloy material, Stainless steel and Armor plate.
- Extension for disconnection switch voltage transformer and recloser control.
