MNS low voltage withdraw able switchgear
MNS low voltage withdraw able switchgear
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MNS low voltage withdraw able switchgear
Product overview
The switchgear is a factory-standard module assembly (FBA) modular container type, the technology has already reached international advanced level. It is suitable for power distribution system in power plant, petroleum, chemical industry, metallurgy, textile, high-rise building etc. It is three-phase AC frequency 50 (60) Hz, rated voltage up to 600V.
Normal environment conditions
Air temperature:-5℃~+40℃,and 24h average temperature does not exceed +35℃;
Altitude: not more than 2000m;
Atmospheric conditions: air cleaner, the relative humidity at the highest temperature: is +40℃ ；
Not
more than 50%,at a lower temperature allows a higher relative humidity ,for
example +20℃ at 90%,but should into account changes in
temperature ,there may occasionally produce condensation.
Basic parameters
|
Rated insulation voltage |
660V(1000)V |
|
|
Rated working voltage |
380V,660V |
|
|
The maximum operating current of the main bus |
5000A |
|
|
Main bus bar rated withstand current |
100KA/1s |
|
|
Main bus bar rated peak withstand current |
220KA/0.1s |
|
|
Distribution bus (vertical bus )the maximum operating current |
1000A |
|
|
Distribution bus (vertical bus )peak current |
Standard |
105KA(maximum )/0.1s |
|
Enhanced |
176KA(maximum )/0.1s |
|
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