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Best High Quality porcelain Isolating switch Manufacturers - 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:
Related Product Guide:
Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for Best High Quality porcelain Isolating switch Manufacturers - Pole-mounted Air/Load breaker switch – L&R , The product will supply to all over the world, such as: Ukraine, Luxemburg, Palestine, We have a good reputation for stable quality products, well received by customers at home and abroad. Our company would be guided by the idea of "Standing in Domestic Markets, Walking into International Markets". We sincerely hope that we could do business with car manufacturers, auto part buyers and the majority of colleagues both at home and abroad. We expect sincere cooperation and common development!