12KV earthing switch series
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Keyword： 12KV earthing switch series
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- Commodity name: 12KV earthing switch series
Model and meaning
Summary
JN15A-12/31.5 indoor AC high voltage earthing switch is an advanced level product with high-tech parameters performance.After comprehensive evaluation,it conforms to GB1985 and IEC62271 standard ,applies to power system of 3-12kV and three-phase AC 50Hz.It owns short-circuit making capacity to protect other electric equipment not being damaged.Can be used
with various high voltage switchgear,also play a protective role in the high-voltage electrical equipment overhaul.
Ambient condition
1.Altitude:≤1000m
2.Ambient temperature:-10C ~+40℃
3.Earthquake intensity:≤ 8 degree
4.Pollution level:ll
5.Relative humidity:
Daily average≤ 95%,
Monthly average ≤90%ltem Unit Data Rated voltage kV 12 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 Rated
insulation
levelPF withstand voltage(1 min) kV Phase to earth
Phase to phase42 Lightning impulse withstand voltage 75 Mechanical endurance Time 2000
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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