The composite outer metal zinc oxide lighting arrester is molded with integral silicon rubber, which has good sealing performance, excellent explosion-proof performance, pollution resistance and no cleaning, and can reduce the occurrence of wet flash in fog, resistance to electrical corrosion, aging, small size, light weight, and collision resistance. Easy to install and maintain. It is an updated product of porcelain sleeve arrester.
1. The ambient temperature is - 40 ℃ ~ + 40 ℃;
2. The altitude shall not exceed 2000m;
3. The power frequency is 48Hz ~ 62Hz;
4. The maximum wind speed shall not exceed 35m / S;
5. Areas with seismic crack degree of 7 and below.
The voltage applied for a long time shall not exceed its maximum continuous operating voltage.
1. Small volume, light weight, collision resistance, no collision loss in transportation, flexible installation, especially suitable for use in the switchgear;
2. Special structure, integral molding, no air gap, good sealing performance, moisture-proof and explosion-proof;
3. Large creepage distance, good water increasing performance, strong pollution resistance, stable performance and reduced operation and maintenance;
4. Zinc oxide resistor with unique formula, high capacity and low leakage;
5. The actual DC reference voltage, square wave current capacity and large current withstand capacity are higher than the national standards.