VW3-25 series smart air circuit breaker, ACB
- Tailored for photovoltaic, wind power and energy storage systems
- High-voltage air circuit breaker, optional 800Vac, 1140Vac, 1500Vac
- With ultra-high breaking capacity, max meet 75kA at 800Vac
- With excellent anti damp heat and dew solidification capabilities
- Strong ability to adapt to alternating changes in high and low temperatures
- Strong resistance to salt spray and humid environments
Technical parameters
| Rated current In(A) | 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A |
| Rated working voltage Ue(V) 50Hz/60Hz | AC400, AC500, AC690, AC800, AC1140, AC1500 |
| Rated insulation voltage Ui(V) | 1800V |
| Rated impulse withstand voltage Uimp(kV) | 18kV |
| Power frequency withstand voltage U(V) 1min | AC5000V 50Hz/60Hz |
| Number of poles | 3P, 4P |
| N-pole rated current | 100%In |
| Breaking capacity code | H, HU, HV |
| Rated limit short-circuit breaking capacity (effective value) Icu(kA) |
AC400: 85kA AC500: 75kA AC690: 65kA AC800/AC1140: 75kA AC1500: 50kA |
| Rated operating short-circuit breaking capacity (effective value) Ics(kA) |
AC400: 85kA AC500: 75kA AC690: 65kA AC800/AC1140: 75kA AC1500: 50kA |
| Rated short circuit making capacity (peak value) Icm(kA) |
AC400: 187kA AC500: 165kA AC690: 143kA AC800/AC1140: 165kA AC1500: 105kA |
| Rated short-time withstand current (effective value) Icw(kA) 1s |
AC400: 85kA AC500: 75kA AC690: 65kA AC800/AC1140: 70kA AC1500: 50kA |
| Rated conditional short-circuit current Icc(kA) | AC400: 85kA AC500: 75kA AC690: 65kA AC800/AC1140: 70kA AC1500: 50kA |
| Full break time (no additional delay) (ms) | 12(ms)~18(ms) |
| Closing time (ms) | ≤60(ms) |
| Operating performance(Mechanical life (times); (Without maintenance) |
15000(times) |
| Operating performance(Mechanical life (times); (Maintenance) |
30000(times) |
| Operational condition(Utilization category) | B |
| Operational condition(Pollution degree) | 3 |
| Operational condition(Ambient grade) | IP40 |
| Operational condition(Ambient temperature) | ≥-40℃ |
| Operational condition(Altitude) | ≤5000m |
| Outline dimension (mm) (H × W × D) (Drawout type 3P) | 430(mm) × 407(mm) × 395(mm) |
| Outline dimension (mm) (H × W × D) (Drawout type 4P) | 430(mm) × 522(mm) × 395(mm) |
| Outline dimension (mm) (H × W × D) (Fixed type 3P) | 390(mm) × 422(mm) × 297.5(mm) |
| Outline dimension (mm) (H × W × D) (Fixed type 4P) | 390(mm) × 537(mm) × 297.5(mm) |
Tips: For more information, please refer to the user manual or specification sheet in the following documentation.
Highlights
Low temperature rise
More contact plate designs ensure lower product temperature rise.
High arc extinguishing efficiency
Large opening contact, new staggered boosting structure, new gas production material, efficient arc extinguishing.
Strong environmental adaptability
Professional testing for high and low temperature, high altitude, high tide and humidity, high salt spray, high vibration, and anti mold growth to ensure high availability.
High reliability of accessories
Improve and optimize the attachment structure function, add multiple reliability tests, and enhance reliability.
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