JN22B-40.5/31.5 Indoor AC high voltage earthing switch
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Keyword： JN22B-40.5/31.5 Indoor AC high voltage earthing switch
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- Commodity name: JN22B-40.5/31.5 Indoor AC high voltage earthing switch
Model and meaning
Summary
JN22B-40.5/31.5 indoor AC high voltage earthing switch is an advanced levelproduct with high-tech parameters performance improved on the basis ofJN22-40.5/31.5.After comprehensive evaluation,it conforms to GB1985 ACHV disconnect switch and earthing switch and lEC62271-102:2002,appliesto power system of 40.5kV and AC 50Hz.Can be used with KYN61-40.5 andother types high voltage switchgear,also play a protective role in the high-voltage electrical equipment overhaul.
Ambient condition
1.Altitude:≤1000m
2.Ambient temperature:-10℃ ~+40℃℃
3.Earthquake intensity:≤8 degree
4.No flood,no explosion risk,no heavy dust and shake.ltem Unit Data Rated voltage kV 35 Maximum voltage kV 40.5 Rated short-time withstand current kA 31.5 Rated short-circuit duration S 4 Rated short-circuit making current kA 80 Rated peak withstand current kA 80 Phases center distance mm 280,300,350,400 Rated
insulation
levelPFwithstand voltage(1 min) kV Phase to earth
Phase to phase95 Lightning impulse withstand voltage 185
Environmentally friendly gas-insulated metal enclosed switchgear is the most commonly used three-phase intelligent gas-insulated AC cabinet and is widely used in various switchgear sets, with population concentration in the country, the power market must be supported, environmentally friendly gas-insulated switchgear will also grow with market development; market potential is yet to be tapped. At the same time, as the product integrates data collection and management, data processing and storage, online monitoring of switchgear, advanced analysis, and other multifunctions in one, network intelligent monitoring and management of the distribution network, so that the distribution network operates in a safe, reliable, high-quality, and efficient best state, to achieve remote monitoring, management, and control of the power system distribution network, to achieve network optimization, safe electricity use, power management, energy saving, and consumption reduction; at the same time, the system can be widely used in intelligent power distribution fields such as transportation, factories, hospitals, schools, buildings, residential areas, and commercial office buildings.
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