HV-9


STANDARD BUSHING ASSEMBLIES FOR DISTRIBUTION TRANSFORMERS 8.7 kV CLASS, 75 kV B.I.L. For Mounting in 2.25″ dia. Tank Hole Leakage Distance Ext. Clamped 7″ min., Int. Clamped 8.5″ min.


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. Insulator Construction

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

3. Gaskets

  • Standard Gasket: Nitrile (Buna-N)
  • Optional Gasket: Cork and rubber composite
    • To specify this option, add suffix “C” to the part number when ordering

4. Terminal / Spade Assembly

  • Material: 95% minimum conductivity copper
  • Finish: Tin-plated for corrosion resistance and reliable electrical performance

5. Design Features

Designed to provide mechanical stability, rotational alignment, and long-term electrical reliability in transformer applications

Technical drawing of standard bushing assemblies for distribution transformers, including dimensions and specifications for various models.