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Electric Power Equipment

Lead wire attached-type polymer lightning arrester

This product is a polymer insulated lightning arrester designed to protect electrical equipment by limiting abnormal voltages generated during lightning strikes and circuit switching, and by interrupting follow currents. With integrated lead wires, it offers excellent installability and resistance to pollution damage. The polymer material provides excellent electrical properties including weather resistance and tracking resistance.
  • Key Features

    - Excellent installability through integrated lightning arrester and lead wire
    - Polymer with excellent insulation and pollution damage resistance properties applied
    - Superior follow current interruption performance through the application of ZnO devices
  • Application

    - Inlets and Outlets of Power Stations and Substations
    - High Voltage and Extra High Voltage Consumers
    - Overhead Lines, Underground Lines
Product Specifications

 SJ-PLA-18/05

Applicable Standards
RS-5920-0020
Rated Voltage
18kV
Rated Frequency
60㎐
Continuous Operating Voltage
15.3kV
Rated Power Frequency Withstand Voltage
37kV / 1min
Rated Impulse Withstand Voltage
75kV
Maximum Partial Discharge
≤ 10pC
Nominal Discharge Current
5kA
Mechanical Durability
5,000 times
Pollution Class
E class