CN
ENG
Zhejiang ENOCH Electric Co., Ltd. has been deeply engaged in the power industry for more than 20 years, specializing in the research and development, production, sales and digital intelligent power operation and maintenance services of 35kV and below transmission and transformation intelligent power equipment.
联系热线：
188-678-10666
Our company specializes in the large-scale production of zinc oxide resistors for 0.22kV~500kV AC systems, which are suitable for overvoltage protection of 0.22kV~500kV AC systems. At the same time, according to the different needs of users, we produce various zinc oxide resistors suitable for use in special areas and occasions.
Our company specializes in the large-scale production of zinc oxide resistors for 0.22kV~500kV AC systems, which are suitable for overvoltage protection of 0.22kV~500kV AC systems. At the same time, according to the different needs of users, we produce various zinc oxide resistors suitable for use in special areas and occasions.
1. Ambient temperature: -40°C~ +40°C
2. AC power frequency: 48Hz~62Hz
3. The power frequency applied to the zinc oxide resistor for a long time.
The voltage should not exceed the continuous operating voltage of the installed lightning arrester
4. Areas with an earthquake intensity of less than 7 degrees
1. 2ms square wave impulse test
2. 8/20 μs nominal lightning impulse test
3. DC reference voltage test (U1mA)
4. Leakage current test at 0.75U1mA
1. Specifications and models
2. Structural type (indicate ring or pancake shape, inner hole diameter for ring shape)
3. Other special requirements beyond the standard requirements
