Product Description
The main function of the arrester is to protect electrical equipment from lightning intrusion wave overvoltage and operating overvoltage to damage the insulation of its equipment. Zinc oxide arresters are arresters with good protection performance. Utilizing the good nonlinear volt-ampere characteristics of zinc oxide, the current flowing through the arrester at normal operating voltage is extremely small (microampere or milliampere level); when the overvoltage acts, the resistance drops sharply, and the energy of the overvoltage is released. To achieve the effect of protection. The difference between this arrester and the traditional arrester is that it has no discharge gap, and uses the nonlinear characteristics of zinc oxide to play the role of leakage and breaking.
Composite jacket: Composite jacket zinc oxide surge arrester is made of composite silicone rubber material, and high-performance zinc oxide resistors are selected. The interior adopts a special structure and is assembled by advanced technology. Double advantage. In addition to all the advantages of zinc oxide surge arresters with porcelain jackets, this series of products also has good insulation performance, high pollution resistance, good explosion-proof performance, small size, light weight, no maintenance at ordinary times, not easy to damage, reliable sealing, durable Excellent aging performance and other advantages.
The zinc oxide arrester has simple structure, good protection performance, large flow capacity, low residual voltage, and wireless flow. According to its rated voltage, it is divided into several types such as 0.28, 0.5, 7.6, 12.7, 41KV and so on. Because it protects both atmospheric overvoltage and operating overvoltage. Therefore, it is widely used in 10KV and below transformation and distribution systems, such as distribution transformers, instrument transformers, cables and vacuum circuit breakers.
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