Class 3 Station Class

Class 3 Station Class

PBA/PCA/PCAE Station Class Surge Arrester - Class 3

Class 3 Station Class
Class 3 Station Class Class 3 Station Class

Class 3 Station Class Surge Arrester


  • Protection of HV networks and equipment from lightning and switching surge related overvoltages. Designed and optimised for outdoor use to protect HV switch gear, Transformer and
    cable end terminations
  • Direct moulded housing to prevent moisture Ingress
  • Low residual voltages
  • Safe non shattering short circuit behaviour to higher current levels
  • Maintenance free
  • Hydrophobic silicon housing (tracking and erosion resistant)
  • Excellent cantilever and tensile performance
  • Quality design and manufacturing ISO 9001 and 14001 compliant
  • Tested in accordance with IEC60099-4 at independent accredited laboratories

Please contact your nearest sales office for help in product selection and pricing

Technical Data

  • Material (porcelain or Polymeric)
  • Lightning impulse withstand voltage (BIL)0Um kV r.m.s - Lightning impulse withstand voltage of equipment (BIL) kV r.m.s
  • Creepage distance (mm/kV)
  • Maxiumum continuous operating voltage
  • System temporary over voltage
  • System temporay over voltage duration
  • Umax (maxiumum system phase to earth voltage in system) (kV)
  • Duty rating (kV) – “Duty cycle voltage” is a term used in IEEE standards; IEC equivalent would be as follows: Surge arrester rating (kV)
  • Line discharge class (1-5)
  • Energy capability (kJ/Kv at Ur)
  • Pollution performance 1-4/A-E(16,20,25,31,40/50mm)
  • Earthing system:multi earthed, effectivity earthed, resistive earthed, isolated, Reactance)
  • Fixing arrangements: Line termination, Earth termination, mounted arrangement.
  • Surge counters required?

Generic Technical Data

System voltage Umax kV 170 420
System voltage Unom kV 150 400
Rated discharge current kA 10 10
High current impulse kA 100 100
Classification   2 3
Energy Capability at Ur kJ.kV 6.4 7.8
Short circuit rating kA 65 65
Mechanical Strength      
Safe long-term load (SLL) kNm 0.6 2
Safe short-term load (SLL) kNm 1 2.5


Part Number Price £ Quantity
HV-Arrestor-Class3 POA  
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