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Electro Composites™ - Station Post Insulator ANSI TR 7

By Electro Composites 

Catalog ID: T007A

By Electro Composites
Catalog ID:  T007A
ANSI C29.8 - TR 7 - 25kV Class-150kV BIL, Cast Cycloaliphatic Epoxy Station Post Insulator, 12.0" Length, Outdoor Apparatus

Electro Composites Solid Dielectric Epoxy station post insulators are designed to provide the toughest and safest insulator solution for all typical outdoor (and indoor) applications. Designed to be completely interchangeable with traditional porcelain insulators providing performance per the applicable ANSI standard. Made with our proprietary cycloaliphatic epoxy formulation for optimal outdoor performance.

  • Solid cast cycloaliphatic epoxy compound for optimal strength and outdoor service performance
  • Cast-in place zinc plated steel inserts
  • Designed per ANSI C29.8 (for Standard TR models)
  • Can be mounted upright or underhung

More Options

Product Details


Application Station Post
Bottom Terminal Type Threaded Inserts
Cantilever Bending Strength - Max. 2000
Color Gray
Compressive Strength 10000 lb
Material - Insulation APG-02 - Cycloaliphatic Epoxy
Mounting Position Vertical to Horizontal
Number of Bolt Holes - Bottom Terminal 4
Number of Bolt Holes - Top Terminal 4
Plating - Bottom Terminal Zinc Plated
Tensile Strength 5,000 lb.
Top Terminal Plating Zinc Plated
Top Terminal Type Threaded Inserts
Torsional Strength 8,000 lb
Type Cast Epoxy


Bottom Terminal Diameter 4.72 in
Diameter - Bottom Terminal Bolt Circle 3.00 in
Diameter - Bottom Terminal Bolt Holes 1/2-13
Diameter - Large Shed 6.93 in
Diameter - Top Terminal Bolt Circle 3.00 in
Diameter - Top Terminal Bolt Holes 1/2-13
Diameter - Top Terminal Outside 4.72 in
Length 12 in
Weight 15 lb

Electrical Ratings

BIL 150 kV
Minimum Creepage 28.3 in
Minimum Strike 12.0 in
kV Class 25 kV

Certifications and Compliance

Industry Standard(s) ANSI C29.8

Resources and Downloads

Sales Drawings


ElectroComposites Factory Tour: St. Jerome (VI00124E)