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40.5kV AC Metal-clad Switchgear
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40.5kV AC Metal-clad Switchgear Product Details：
General:
KNY61A-40.5 AC metal clad switchgear is designed as a completely combined equipments for indoor power distribution. Its circuit breaker we applied in this type switchgear takes the advantages of pretty outline, compact dimension, flexible operation, reliable electric performance, long life time and free-maintenance. More than 49 types of main single line scheme are available for selecting by client.
Working Condition:
Ø Ambient temperature: -5℃~+35℃
Ø Altitude:≤1000m
Ø Humidity: daily average ≤95%
l Monthly average ≤90%
Ø Earthquake intensity: ≤ magnitude 8
Ø Electromagnetic Interference: less than 1.6kV inducted in secondary system
Ø Applicable in places without corrosive and flammable gas
Ø Note: customerized products are available as required.
Standards: IEC 60298
Main Techincal Specification:
|
Item |
Unit |
Parameter |
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Rated voltage |
kV |
40.5 |
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Rated frequency |
Hz |
50 |
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Rated current |
A |
630, 1250, 1600 |
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Lightning impulse withstand voltage(peak value) |
Phase to earth, phase to phase |
kV |
185 |
|
Isolating distance |
kV |
215 |
|
|
1min |
Phase to earth, phase to phase |
kV |
95 |
|
Isolating distance |
kV |
115 |
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For assistant circuit and control circuit |
V |
2000 |
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Rated short time withstand current (4s) |
kA |
25 |
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Rated short circuit breaking current (r.m.s) |
kA |
25 |
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Rated peak withstand current(peak value) |
kA |
63 |
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Rated short circuit making current (peak value) |
kA |
63 |
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Rated current for busbar |
A |
630, 1250, 1600 |
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Dimension (W*D*H) |
mm |
1400(1200)*2800(3100)*2400 |
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Protection degree |
Enclosure IP4X |
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When door of chamber and trolly open:IP2X |
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