Lightning Data Sheet - Hawker Siddeley Switchgear - #1

Incorporating the NDC Circuit Breaker

FKI Switchgears' Lightning product, incorporating the high speed NDC Circuit Breaker, is the latest addition to our 'Fit and Forget' range of switchgear products. 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 80 years of DC design and manufacturing experience, the Lightning offers optimal safety, reliability and high speed performance - the ideal solution to your DC requirements.

Superior, proven Fit & Forget technology with minimal maintenance

A long service life designed to exceed 30 years Superior compact design concept and operating mechanisms

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 coil

Fully bi-directional current interruption

Hard wearing main contact material (silver tungsten

carbide) ensuring long life

Integrated operation with a wide range of

protection relay options

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As defined in BS EN50123-1: 2003, the critical current quoted is the current with the longest arcing time. At 900V/25A the arcing time is approximately 330ms