Type outdoor high voltage vacuum circuit breaker
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ZW7-40.5 type outdoor high voltage vacuum circuit breaker
◆ Overview:
ZW7-40.5 series of outdoor high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is three-phase AC 50Hz, rated voltage of 40.5kV outdoor high-voltage electrical equipment. With spring operating mechanism or electromagnetic actuator, you can remote control electric points, closing, but also local manual energy storage, manual points, closing. Design performance in line with CB1984-89 "AC high voltage circuit breaker" national standards. And meet the IEC-56 "AC high voltage circuit breaker" International Electrotechnical Commission standards.
The overall structure of the product for the porcelain pillar pillar; on the porcelain built-in vacuum interrupter, the next porcelain for the pillars of porcelain. Suitable for frequent operation of the place. And has a good sealing, anti-aging, high pressure, no combustion, no explosion, long life, easy installation and maintenance advantages. Mainly used for outdoor 35KV power transmission system control and protection, but also applicable to the city, rural power grid and industrial and mining enterprises of the normal operation and short circuit protection purposes.
◆ use of environmental conditions:
1, the ambient air temperature: the upper limit +40 degrees, the lower limit of -40 degrees;
2, elevation: ≤ 2000m (if the altitude increases, the rated insulation level corresponding increase);
3, wind pressure: no more than 700Pa (equivalent to wind speed 34m / s);
4, earthquake intensity: no more than 8 degrees;
5, pollution level: Ⅳ level;
6, the maximum daily temperature difference: not more than 25 degrees;
7, relative humidity: daily average of not more than 95%, the average is not greater than 90%;
8, no flammable, explosion hazard, chemical corrosion and severe vibration of the place.
◆ Features
ZW7-40.5 series of outdoor high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is three-phase AC 50Hz, rated voltage of 40.5kV outdoor high-voltage electrical equipment. With spring operating mechanism or electromagnetic actuator, you can remote control electric points, closing, but also local manual energy storage, manual points, closing. Design performance in line with CB1984-89 "AC high voltage circuit breaker" national standards. And meet the IEC-56 "AC high voltage circuit breaker" International Electrotechnical Commission standards. The overall structure of the product for the porcelain pillar pillar; on the porcelain built-in vacuum interrupter, the next porcelain for the pillars of porcelain. Suitable for frequent operation of the place. And has a good sealing, anti-aging, high pressure, no combustion, no explosion, long life, easy installation and maintenance advantages. Mainly used for outdoor 35KV power transmission system control and protection, but also applicable to the city, rural power grid and industrial and mining enterprises of the normal operation and short circuit protection purposes.
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