Hawker Siddeley Switchgear Ltd's Lightning product, incorporating the high-speed NDC Circuit Breaker. Utilising our proven technologies with the award-winning, patented magnetic actuator technology, the Lightning provides an innovative DC Switchgear solution for a variety of markets and demanding applications.

Combining innovation with 50 years of DC circuit breaker design and manufacturing experience, the Lightning offers optimal safety, reliability and high-speed performance – the ideal solution to your DC requirements.

Click here to read our Network Rail case study.

Features | Ratings | Applications



  • Superior, proven Fit & Forget technology with minimal maintenance
  • A long service life designed to exceed 30 years
  • High speed operation, direct overload and electrical tripping
  • Simple, reliable mechanism with no mechanical latch
  • Ergonomic, intuitive truck isolation and interlocking
  • Enhanced electrical and mechanical endurance
  • Patented Arc transfer into arc chute
  • Compact design
  • Integrated operation with a wide range of protection relay options

For Spares, Service and Repair, please click here .

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