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Help CenterKyn 28-24 Series Metal-enclosed Switchgear
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1.General description
KYN28-24 metal clad withdrawable AC metal enclosed switchgear is used in three phase AC 50/60 HZ,24KV power system. It is mainly applied as electric energy accepting and distributing equipment in power plants, substations, mining industries, railway transportation, high buildings. It can also control, protect and monitor the electric circuit. It meets IEC60298,GB3906,DL/T404 standards and has perfect Five-Prevention functions.
2 Service conditions
a) Ambient temperature
Maximum temperature: +40
Minimum temperature: -15
b) Ambient humidity
Daily average relative humidity: 95%
Monthly average relative humidity: 90%
Daily average vapor tension: 2.2
Monthly average vapor tension: 1.8
c) Altitude: 1000m
d) Earthquake intensity: level8
e) Ambient air do not obviously polluted by dust, smoke, corrosive or flammable gas, vapor or salt frog.
* If any other requirements, please contact us.
3. Specifications
Rated voltage |
KV |
24 |
||
1 min power frequency withstand voltage |
P-P,P-E |
KV |
60 |
|
Across isolating distance |
KV |
79 |
||
|
Lightning impulse withstand voltage |
P-P,P-E |
KV |
125 |
|
Across isolating distance |
KV |
145 |
||
Rated short time withstand current (4S) |
KA |
20/25/31.5 |
||
Rated short circuit breaking current (effective value) |
KA |
20/25/31.5 |
||
Rated short circuit making current (peak) |
KA |
50/63/80 |
||
Rated current |
A |
630,1250,1600,2000,2500,3150 |
||
Protection degree |
|
IP4X |
||
4.Packing
5. Product photo show
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