Cooper Power VariSTAR Surge Arrester

UltraSIL polymer-housed surge arrester incorporates the industry recognized superior polymer housing material–silicone rubber.
  • IEEE Std C62.11.-2005 standard required data
  • Long term environmental testing has verified the lifetime superiority of silicone rubber when compared to other polymeric insulating materials
  • No line terminal wire
  • Polymerhousing has undergone a wide range of design tests to determine the optimum shed configuration
  • Superiority of silicone rubber in terms of nonwetting surfaces, resistance to UV degradation and surface tracking, performance in contaminated environments, chemical inertness, temperature stability and other important insulating properties
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