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Why 3AH3 vacuum circuit-breakers?

The 3AH3 is a high-performance vacuum circuit-breaker engineered to meet the growing demands of global power requirements and modern industry needs. Designed for medium-voltage networks up to 40.5 kV, the 3AH3 handles continuous load currents up to 8000 A and withstands short-circuit currents up to 72 kA, delivering rock-solid protection when it matters most.

  • up to 40.5 kV
  • up to 72 kA
  • up to 8000 A
MV vacuum circuit-breaker for high-currents - 3AH33 up to 40,5 kV - back

Key benefits

Peak Performance

Handles highest load and fault currents for robust protection.

Flexible Installation

Vertical and horizontal mounting with optimized thermal performance.

Maximum Reliability

Maintenance-free design for continuous operation and predictable lifecycle costs.

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