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2015/7/14Sulphur hexaflouride (SF6) gas has been used in MV and HV switchgear for many years. It is said to be highly toxic and a potent greenhouse gas. It is used Get price

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2020/6/5Working principles. In a high-voltage circuit breaker like SF6, current interruption is achieved by separating the contacts in a gas medium. The sf6 Get price

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Relay is used in control circuit, usually divided by function, there are intermediate relay, protection relay, time relay, pulse or count, etc. CHINT relay family has many Get price

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2019/7/29Toshiba and Meidensha companies agreed to develop high voltage GIS using natural gases The European Union supports the GE company's SF6 free Get price

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