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Gray Station Post Insulator with Tensile Strength 10,000 lb

Station post insulators are high-strength electrical components designed to support and insulate conductors in high-voltage substations and power line terminations. Engineered for durability and reliability, these insulators withstand mechanical stress, environmental exposure, and electrical load to ensure uninterrupted transmission.

Key Features:

  • High mechanical and electrical strength for HV applications
  • Weather and UV resistant for outdoor installations
  • Superior insulation performance under heavy load conditions
  • Resistant to pollution and surface tracking
  • Available in porcelain, composite, or glass materials
  • Standardized dimensions for easy integration in substations

Product Details

General

ApplicationStation Post Insulator
Bottom Terminal TypeAluminum Threaded Inserts
Cantilever Bending Strength – Max.2000
ColorGray
Number of Bolt Holes – Bottom Terminal4
Number of Bolt Holes – Top Terminal4
Number of Sheds12
Plating – Bottom TerminalUnplated
Press Minimum20000
Tensile Strength10000 lb
Top Terminal PlatingUnplated
Top Terminal TypeAluminum Threaded Inserts
TypeCast Epoxy Cycloaliphatic

Dimensions

Bottom Terminal Diameter5.00 in (127 mm)
Diameter – Bottom Terminal Bolt Circle3.00 in (76.2 mm)
Diameter – Bottom Terminal Bolt Holes1/2-13
Diameter – Large Shed5.00 in (127 mm)
Diameter – Top Terminal Bolt Circle3.00 in (76.2 mm)
Diameter – Top Terminal Bolt Holes1/2-13
Diameter – Top Terminal Outside4.50 in (114.3 mm)
Length12.00 in (304.8 mm)
Weight12.0 lb (5.44 kg)

Electrical Ratings

Minimum Creepage26.6 in (675.64 mm)
Minimum Strike12.00 in (304.8 mm)
kV Class15 kV / 25 kV

Certifications and Compliance

Industry Standard(s)ANSI C29.9

Resources and Downloads

SpecificationsDownload PDF
Technical DrawingsDownload PDF