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Performance characteristics of the post insulator 57-3R12.5ET170N
Release time:
2025-04-08
Insulator 57 - 3R12.5ET170N belongs to the post insulators, and its performance characteristics as follows:
Good electrical properties: It is suitable for systems with a rated voltage of 20kV, and has good insulation performance, which can effectively isolate live parts grounding parts. Its lightning full-wave impact withstand voltage is not less than 170kV, and its working frequency wet withstand voltage is not less than 7kV, which can withstand a certain degree of lightning impact and working frequency voltage in a humid environment, ensuring the safe operation of the line in bad weather. The minimum rated cpage distance is 580mm, which can prevent flashover in polluted environments to a certain extent.
High mechanical strength: The minimum bending failure load is 1.5kN, which can withstand a certain amount of external force, such as the tension of the conductor and the wind force, and is not easy to bend or break, that the insulator maintains stable mechanical properties during long-term use.
Reasonable structural design: The overall structural height is 370mm, and this size design helps to the electrical and mechanical performance requirements while adapting to different installation environments and spatial layouts, making it easy to install and maintain in power lines.
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