China China wholesale 11kV 400amp IACM Supplier - Pole-mounted Air/Load breaker switch – L&R Manufacture and Factory

China wholesale 11kV 400amp IACM Supplier - Pole-mounted Air/Load breaker switch – L&R

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We support our consumers with ideal good quality merchandise and large level provider. Becoming the specialist manufacturer in this sector, we have attained wealthy practical encounter in producing and managing for Power Transformer In Substation, Battery Circuit Breaker, Low Voltage Switchgear, Since the manufacturing facility founded, we have now committed on the progress of new products. While using the social and economic pace, we are going to continue to carry forward the spirit of "high high-quality, efficiency, innovation, integrity", and persist with the operating principle of "credit to start with, customer initially, top quality excellent". We'll make a amazing long run in hair output with our companions.

China wholesale 11kV 400amp IACM 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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