China Best High Quality outdoor air break switch Supplier - Pole-mounted Air/Load breaker switch – L&R Manufacture and Factory

Best High Quality outdoor air break switch Supplier - Pole-mounted Air/Load breaker switch – L&R

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We constantly carry out our spirit of ''Innovation bringing advancement, Highly-quality guaranteeing subsistence, Administration selling advantage, Credit rating attracting buyers for Ottermill Switchgear, 12 Volt Distribution Board, Circuit Breaker Push Button, We sincerely welcome friends to negotiate business and start cooperation with us. We hope to join hands with friends in different industries to create a brilliant future.

Best High Quality outdoor air break switch Supplier - Pole-mounted Air/Load breaker switch – L&R Detail:

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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

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