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China wholesale 33kV 630amp isolator Supplier - Pole-mounted Air/Load breaker switch – L&R Detail:
General
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Service and Installation Conditions
2.1.height above sea level:≤3000m
2.2.Air temperature: -40℃~+50℃
2.3.Relative humidity:Daily mean 95%
monthly average 90%
2.4.Maximum wind speed:≤34m/s
2.5.Earthquake intensity:<8 degree
2.6.Icing thickness: <10mm
2.7.Thickness of snow: <35mm
2.8.Irradiance: <0.1W/cm2
2.9.Pollution grade:Ⅲ class、Ⅳclass
2.10.Installation site:No fire disaster, explosion danger, chemical corrosion and frequent
strenuous vibration places
Model and Definitions
Technical parameters
Item
|
Unit
|
Data
|
Rated voltage
|
kV
|
12
|
24
|
36
|
Rated frequency
|
Hz
|
50/60
|
Rated current
|
A
|
400 / 630
|
Rated short-circuit withstand/breaking current |
kA
|
12.5
|
Rated short-circuit making current (peak) |
kA
|
31.5
|
Rated peak withstand current |
kA
|
31.5
|
Rated short-circuit time |
Sec
|
1
|
Mechanical Operations |
Times
|
5000
|
Power frequency withstand voltage (1 min) |
kV
|
28/32
|
50/60
|
70/80
|
Lightning impulse withstand voltage (peak) |
kV
|
76/85
|
125/145
|
170/190
|
Product detail pictures:
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Normally customer-oriented, and it's our ultimate concentrate on for being not only one of the most dependable, trustable and honest supplier, but also the partner for our shoppers for China wholesale 33kV 630amp isolator Supplier - Pole-mounted Air/Load breaker switch – L&R , The product will supply to all over the world, such as: Bhutan, Nepal, Oman, Our company has always insisted on the business principle of "Quality, Honest, and Customer First" by which we have won the trust of clients both from at home and abroad. If you are interested in our products, please do not hesitate to contact us for further information.