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Fostoria Bushings and Insulators

HV-1

STANDARD BUSHING ASSEMBLIES FOR DISTRIBUTION TRANSFORMERS 8.7KV CLASS, 75 kV B.I.L For Mounting in 2.25″ dia. Tank Hole HV-1

Technical Specification

Product: Transformer Bushing Assembly
Application: Liquid-Filled Transformers

1. Electrical Ratings

  • Electrical ratings are based on use in liquid-filled transformers, with the lower end of the bushing submerged below the oil level.

2. Leakage Distance

  • Externally Clamped: Minimum 7 in.
  • Internally Clamped: Minimum 8.5 in.

3. Insulator Construction

  • Material: High-quality electrical-grade wet-process porcelain.
  • Finish: Standard gray glaze, unless otherwise specified.

4. Gaskets

To specify this option, add suffix “C” to the part number when ordering.

Standard Gasket: Nitrile (Buna-N)

Optional Gasket: Cork and rubber composite

Technical drawing of standard bushing assemblies for distribution transformers, including dimensions and specifications for mounting and electrical ratings.