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Why 3AH47 railway circuit-breakers?

Siemens 3AH47 vacuum circuit-breakers are built for railway line electrification, delivering the robustness and safety that operators demand for traction substations and feeder sites. Based on the proven 3AH modular platform, the 3AH47 combines the reliability of a broad, field tested portfolio with the flexibility to cover global traction needs.

  • up to 27.5 kV
  • up to 50 kA
  • up to 2500 A
  • up to 60,000 operations
MV vacuum circuit-breaker for railway applications - 3AH47 single-pole, up to 27,5 kV - front

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Global compatibility

Covers 16.7, 25, and 50/60 Hz systems for worldwide electrification projects.

High durability

Up to 60,000 switching operations with simple servicing.

Fast fault clearance

Optional capacitor tripping to save your network.

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