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3P Outdoor IEC standard Pole Mounted LBS load disconnector

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3P Outdoor IEC standard Pole Mounted LBS load disconnector,
load disconnector,

General


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Service and Installation Conditions

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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

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