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Silicone Station Post

By Hubbell Power Systems 

Catalog ID: PSSP250TR291

By Hubbell Power Systems
Catalog ID:  PSSP250TR291
Silicone Station Post insulator, series 250, 5" bolt circles.
  • Hydrophobic, silicone polymer for improved contamination performance
  • Over-molded design to prevent moisture ingress
  • Lightweight, vandalism resistant and price competitive compared to porcelain
  • Designed to meet the requirements of the associated TR numbers

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Product Details


Application Station Post
Cantilever Bending Strength - Routine 1304
Fitting - Ground/Base 5" B.C. Tapped
Fitting - Live Line End 5" B.C. Tapped
Material Silicone
Material - End Fitting Galvanized Steel
Number of Sheds 37
Shed Style Alternating
Tensile Strength Standard Strength
Tensile Strength - Routine 30000 lb
Torsional Strength 9000
UPC 096359697879


Diameter - Large Shed 7.3
Diameter - Small Shed 6.1
Length - Effective 62 in
Rod Diameter 2.5
Weight 54 lb

Electrical Ratings

BIL 750 kV
Creep and Leakage Distance 173 in (4400 mm)
Voltage - Line 161 kV
Withstand Voltage - 60 Hz Wet 330
kV Class 161 kV

Certifications and Compliance

Industry Standard(s) ANSI TR 291


Pallet Quantity 14
Standard Package 1

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