ANSI Standard Post Type Insulators

Our post type insulators product lineup is among the most complete in today’s market. We offer all ANSI C29.9 TR references from the TR-202 to the TR-391, with many variations in strength, leakage distance, shed configuration, color, and special seismic requirements. 

Key Features

  • Manufactured in state of the art ISO9001 certified, highly automated facilities which results in highly uniform and reliable production.

  • High strength solid-core porcelain body

  • Wet Process porcelain manufacturing system (isostatic process used for some of ultra high strength designs).

  • Designed in compliance to ANSI C29.9 and CSA C156.1 standards (please contact us to certify compliance to other standards).

  • Routine testing as per ANSI C29.9 includes dimensional, alignment, ultrasonic, mechanical strength.

  • Multiple options of shed designs, strength, leakage distance, color, fittings, special seismic requirements.

  • We stock ANSI 70 Gray insulators (most commonly used in the U.S). Chocolate brown insulators available upon request.

  • ASTM A153M galvanized cast iron fittings. Bolt holes are protected against oxidation with special silicone grease and plastic caps. Fittings are cemented to the porcelain using carefully formulated and cured high strength Portland cement and silica sand.

  • 5 Year warranty

Ratings

All insulators as shown are also available with Semi-Conductive Glazing as an optional feature.

ANSI TR ReferenceVE Catalog #Leakage Distance (in)Cantiliver Strength (lb)BIL (kV)

TR202

VTR202SSG10.5200095

TR205

VTR205SSG15.52000110

TR208

VTR208SSG242000150

TR210

VTR210SSG372000200

TR214

VTR214SSG432000250

TR216

VTR216SSG721500350

TR222

VTR222SSG10.5400095

TR225

VTR225SSG15.54000110

TR227

VTR227SSG29.34000150

TR231

VTR231SSG374000200

TR267

VTR267SSG434000250

TR278

VTR278SSG723000350

TR286

VTR286SSG991700550

TR287

VTR287SSG992600550

TR288

VTR288SSG1161400650

TR288- HL1-1

VTR288S1G1321450650

TR289

VTR289SSG1162200650

TR289- HL1-1

VTR289S1G1322200650

TR291

VTR291SSG1321200750

TR295

VTR295SSG1322000750

TR304

VTR304SSG165950900

TR308

VTR308SSG1651450900

TR312

VTR312SSG1988001050

TR316

VTR316SSG19812501050

TR324

VTR324SSG23110001300

TR330

VTR330SSG2649001470

TR362

VTR362SSG119823001050

TR367

VTR367SSG23114501300

TR368

VTR368SSG123120501300

TR369

VTR369SSG23120501300

TR371

VTR371SSG26411701470

TR372

VTR372SSG26417501470

TR373

VTR373SSG26417501470

TR379

VTR379SSG28017001550

TR391

VTR391SSG33014001800

Notes:

1. Information as provided is only for referential purposes and can be changed without notice. Please contact us if you require detailed information.

2. Please contact us for special insulators not listed here (different color, leakage distance, strength, standard)

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