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Lightning Data Sheet
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Lightning Data Sheet
Product catalog summary
Overview
FKI Switchgears' Lightning product, featuring the high-speed NDC Circuit Breaker, is part of the 'Fit and Forget' range, designed for minimal maintenance and a service life exceeding 30 years. It combines innovative design with 80 years of DC design and manufacturing experience, offering safety, reliability, and high-speed performance.
Key Features
Technical Specifications
Design and Standards
Mechanical Features
Contact Information
Note
The design and manufacture of products are subject to constant review, and variations may occur between the details provided and the equipment supplied.
FKI Switchgears' Lightning product, featuring the high-speed NDC Circuit Breaker, is part of the 'Fit and Forget' range, designed for minimal maintenance and a service life exceeding 30 years. It combines innovative design with 80 years of DC design and manufacturing experience, offering safety, reliability, and high-speed performance.
Key Features
- Proven 'Fit & Forget' technology with minimal maintenance.
- Compact design and high-speed operation.
- Simple, reliable mechanism without a mechanical latch.
- Ergonomic truck isolation and interlocking.
- Enhanced electrical and mechanical endurance.
Technical Specifications
- Rated Voltage: 900V dc and 1800V dc.
- Rated Service Current: 4000/6000/8000 A for 900V, 4000/6000 A for 1800V.
- Power-Frequency Withstand Level: 9 kV.
- Rated Short-Time Withstand Current: 100/71 kAp/kA for 250ms.
- Mechanical Endurance: 50,000 operations.
- Auxiliary Operating Supply: 50 V dc (other options available).
Design and Standards
- Patented arc transfer coil and bi-directional current interruption.
- Hard-wearing main contact material (silver tungsten carbide).
- Integrated operation with various protection relay options.
- Complies with standards such as BS EN 50123 and ANSI C37 series.
Mechanical Features
- Patented Magnetic Latch mechanism for high-speed tripping.
- Magnetic Actuator based on a solenoid plunger for contact closure and latch reset.
- Direct Acting Release for overload tripping.
Contact Information
- Hawker Siddeley Switchgear: +44 (0)1495 223001, [email protected]
- Hawker Siddeley Switchgear Pty Australia: +61 (0) 7 3888 2333, [email protected]
- FKI Switchgear South America: +57 (0)1 256 4617, [email protected]
- Whipp & Bourne Switchgear: +44 (0)1706 632051, [email protected]
- Whipp & Bourne Inc.: +1 (0) 757 858 8972, [email protected]
Note
The design and manufacture of products are subject to constant review, and variations may occur between the details provided and the equipment supplied.
See more
Catalog excerpts
The patented arc transfer system prevents internalcontamination of the circuit breaker compartment and cubicle. The Cold Cathode Arc Chute Assembly (1) dissipates all arcs whilst the transfer coil (2) providesadditional magnetic flux across the contact gap, assisting with the interruption of low currents that would otherwise lead to long arcing timesFixed Contact Moving Contact Assembly Primary disconnects The patented Magnetic Latch mechanism provides theprimary means of high speedђ tripping of the circuit breaker. Working in conjunction with the Magnetic Actuator, the latch directly holds the...
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