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40.5kV Outdoor AC Hv Sf6 Circuit Breaker
40.5kV SF6 CIRCUIT BREAKER
LW8-40.5 Outdoor HV SF6 circuit breaker is three-phase AC 50Hz outdoor high voltage electrical equipment for 35kV transmission and distribution system control and protection can also be used for opening and closing of contact breaker and capacitor bank of the occasion, and current transformer can be included for measurement and protection purposes. Circuit breaker equipped with CT14-type spring operating mechanism. Meet the national standard GB1984-89 "AC high voltage circuit breakers" and the International Electrotechnical Commission standards IEC56 publication, "High-voltage AC circuit breaker" requirements.
Product Detail
Altitude:≤3000m
Humidity monthly:≤90%
Max .wind velocity:≤35m/s
Pollution class:IV class
Ambient air temperature:-35ºC~40ºC(It's satisfied under condition of -40ºC in heavy cold area)
Max .temperature difference daily: 25K
Earthquake withstand density:9 degree
Ice coating: ≤10mm
Max. radiance from sun: 1000 W/m2
Breaking performance, arcing time is short, long electrical life at rated voltage continuously breaking 31.5kA, 20 times without maintenance, not replacement of sulfur hexafluoride gas.
Insulation reliable pressure gauge when the zero-tolerance 40.5kV/10min;
Mechanical reliability is high, closing ability, can often operate;
To open and close without capacitor current 400A renewed;
25, 50 km long cut empty without renewed;
Simple structure, small size, long period without maintenance.
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Rated working voltage |
AC 220V |
AC 380V |
DC 48V |
DC 110V |
DC 220V |
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Rated working current |
3.5A |
2A |
12.3A |
4.6A |
2.3A |
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20°C coil resistance |
6.96 |
23.74 |
3.9 |
23.9 |
95.69 |
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Normal working voltage range |
65%-120% rated working voltage, the breaking operation is disallowed after 3 times continuous operation at the voltage of less 30%. |
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Rated working voltage V |
DC220 AC220 |
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Rated working current A |
5 |
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Normal working voltage range |
85%-110% rated working voltage |
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The charging time at rated working voltage |
Less 15s |
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PELATED PRODUCTS
Safety protection // Fine workmanship // Easy to install // Long life // Provide custom
>> Why choose us
Lawrence Electric Co., Ltd. is a high-tech enterprise focusing on power transmission and distribution products, providing customers with one-stop service of power transmission and distribution products.
It mainly produces and sells lightning arrester, insulator, fuse, isolation / load switch, SF6 / vacuum circuit breaker, power supply fittings, optical cable fittings, switch cabinet and other transmission and distribution products. The company has production bases and sales centers in Jiangxi, Zhejiang, Uganda, Tanzania and other places.
Our products have operated safely in the power supply systems of more than 20 countries and regions around the world for more than 10 years. They are also qualified suppliers of China State Grid and China Southern Power Grid. At present, they have gained a good reputation in the field of power system in the world.
We have received high-quality product recommendation letters from power supply companies in Kenya, Uganda, Tanzania, Zambia, Guinea, Ghana, Togo, Mozambique, Nepal, Guyana, Myanmar and other countries and regions.
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