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VW3-63 Series Smart Air Circuit Breaker (ACB)

VW3-63 ACB is tailored for photovoltaic (PV), wind power, and energy storage systems. Available in 3P and 4P configurations with ultra-high current coverage from 4000A to 6300A. Ultra-high breaking capacity up to 85kA at AC800V (Icu up to 135kA across the series). Supports high voltage applications up to AC1500V. Resistant to damp heat, anti-condensation, alternating high and low temperature changes, and salt spray. Reliable operation at altitudes up to 5000m. Advanced remote monitoring and control capabilities.

Highlights

  • Designed for PV, wind power and energy storage systems
  • Rated current from 4000A to 6300A
  • 85kA @ AC800V maximum breaking capacity
  • Rated working voltage up to AC1500V
  • Resistance to humidity, condensation, temperature changes and salt spray
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Product Information

  • Rated current (In): 4000A, 5000A, 6300A
  • Rated working voltage (Ue): AC400V, AC690V, AC800/1140V, AC1500V
  • Number of poles: 3P & 4P options (HU, HV only have 3P)
  • Installation Types: Fixed & drawout type
  • Breaking Capacities: H, HU, HV series
  • Basic Protection Functions: Overload, short-circuit (short delay & instantaneous), ground fault, neutral wire protection
  • Environmental Tolerance: Operating environment temperature -40°C - +70°C
  • IP Rating: IP40
  • Tailored for photovoltaic, wind power and energy storage systems
  • With ultra-high breaking capacity, max meet 85kA at AC800V
  • With excellent resistance to damp heat and anti-condensation
  • Strong ability to adapt to alternating changes in high and low temperatures
  • Strong resistance to salt spray and humid environments

Intelligent manufacturing

Integrated production, testing and engineering capabilities built for consistent quality at scale.

Automated Production

Automated & semi-automated assembly and inspection

Integrated Manufacturing

Stamping · Welding · Injection Molding

Quality & Testing

RoHS · Performance Testing · Process Inspection

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