Lightning Data Sheet - Hawker Siddeley Switchgear - #1

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Lightning Data Sheet - Hawker Siddeley Switchgear


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Lightning DC
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.
< 1
II
Emm
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.
i
Key Features
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
»
RATINGS
Rated Voltage
V dc
900
1800
Rated Service Current
A
4000/6000/8000
4000/6000
Nominal Voltage
V dc
750
1500
Power-Frequency Withstand Level
kV
9
9
Rated Short-Time Withstand Current
kAp/kA
100/71 250ms
100/71 250ms
Rated Track Time-Constant
ms
100
100
Rated Short-Circuit Current
kAp/kA
180/125
142/100
Bi-directional Critical Current **
A
25
26
Mechanical Endurance
50,000 operations
50,000 operations
Breaking Characteristic
H
H
Rated Insulation Voltage
kV
1.8
3
Auxiliary Operating Supply
V dc
50 (Other Options Available)
50 (Other Options Available)
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
FKI SWITCHGEAR
your power in safe hands

pageCatalog pdf di En 2012-05-22-29