VW3-63 series smart air circuit breaker, ACB

  • Tailored for photovoltaic, wind power and energy storage systems
  • High-voltage air circuit breaker, optional 800Vac, 1140Vac, 1250Vac, 1500Vac
  • With ultra-high breaking capacity, max meet 85kA 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) 4000A, 5000A, 6300A
Rated working voltage Ue(V) 50Hz/60Hz AC400, 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 50%In
Breaking capacity code H, HU, HV
Rated limit short-circuit breaking capacity
(effective value) Icu(kA)
AC400: 135kA
AC690: 120kA
AC800/AC1140: 85kA
AC1500: 50kA
Rated operating short-circuit breaking capacity
(effective value) Ics(kA)
AC400: 135kA
AC690: 120kA
AC800/AC1140: 85kA
AC1500: 50kA
Rated short circuit making capacity
(peak value) Icm(kA)
AC400: 297kA
AC690: 264kA
AC800/AC1140: 187kA
AC1500: 105kA
Rated short-time withstand current
(effective value) Icw(kA) 1s
AC400: 135kA
AC690: 120kA
AC800/AC1140: 85kA
AC1500: 50kA
Rated conditional short-circuit current Icc(kA) AC400: 135kA
AC690: 120kA
AC800/AC1140: 85kA
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) 6500(times)
Operating performance(Mechanical life (times); Maintenance) 13000(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) 480(mm) × 853(mm) × 395(mm)
Outline dimension (mm) (H × W × D) (Drawout type 4P) 480(mm) × 900(mm) × 395(mm)
Outline dimension (mm) (H × W × D) (Fixed type 3P) 390(mm) × 800(mm) × 297.5(mm)
Outline dimension (mm) (H × W × D) (Fixed type 4P) 390(mm) × 915(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

Low temperature rise

More contact plate designs ensure lower product temperature rise.

High arc extinguishing efficiency

High arc extinguishing efficiency

Large opening contact, new staggered boosting structure, new gas production material, efficient arc extinguishing.

Strong environmental adaptability

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

High reliability of accessories

Improve and optimize the attachment structure function, add multiple reliability tests, and enhance reliability.

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