VW3-20 series smart air circuit breaker, ACB
- The maximum rated working voltage is AC1500V, and the maximum rated working current is 2000A.
- It has a high breaking capacity of up to 50KA at AC690V.
- High altitude adaptability, working at an altitude of 5000 meters.
- It has excellent resistance to damp heat and anti-condensation, and can adapt to various harsh environments, such as salt spray, humidity, etc.
Technical parameters
| Rated current In(A) | 200A, 400A, 630A, 800A, 1000A, 1250A, 1600A, 2000A |
| Rated working voltage Ue(V) 50Hz/60Hz | AC400, AC415, AC500, AC550, AC660, AC690 |
| Rated insulation voltage Ui(V) | 1150 |
| Rated impulse withstand voltage Uimp(kV) | 12 |
| Power frequency withstand voltage U(V) 1min | AC5000V 50Hz/60Hz |
| Number of poles | 3P/4P |
| N-pole rated current | 100%In |
| Breaking capacity code | S, H |
| Rated limit short-circuit breaking capacity (effective value) lcu(kA) |
AC400/AC415: S: 50kA, H: 66kA
AC500/AC550: S: 50kA, H: 50kA AC660/AC690: S: 25kA, H: 50kA |
| Rated operating short-circuit breaking capacity (effective value) lcs(kA) |
AC400/AC415: S: 50kA, H: 66kA
AC500/AC550: S: 50kA, H: 50kA AC660/AC690: S: 25kA, H: 50kA |
| Rated short circuit making capacity (peak value) lcm(kA) |
AC400/AC415: S: 105kA, H: 145kA
AC500/AC550: S: 105kA, H: 105kA AC660/AC690: S: 52.5kA, H: 105kA |
| Rated short-time withstand current (effective value) lcw(kA)1s |
AC400/AC415: S: 42kA, H: 55kA
AC500/AC550: S: 42kA, H: 50kA AC660/AC690: S: 25kA, H: 50kA |
| Rated conditional short-circuit current lcc(kA) | AC400/AC415: S: 42kA, H: 55kA
AC500/AC550: S: 42kA, H: 50kA AC660/AC690: S: 25kA, H: 50kA |
| Full break time (no additional delay) (ms) | 12(ms)-18(ms) |
| Closing time (ms) | ≤60(ms) |
| Operating performance (Electrical life (times) | 15000(times) (200-630A)
10000(times) (800-1250A) 10000(times) (1600-2000A) |
| 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 x W x D) (Drawout type 3P) | 357(mm)x254(mm)x300(mm) |
| Outline dimension (mm) (H x W x D) (Drawout type 4P) | 357(mm)x324(mm)x300(mm) |
| Outline dimension (mm) (H x W x D) (Fixed type 3P) | 335(mm)x266(mm)x199(mm) |
| Outline dimension (mm) (H x W x D) (Fixed type 4P) | 335(mm)x336(mm)x199(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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