POWER BUSHING ASSEMBLIES 23kV CLASS, 150kV BIL, 19.50″ CREЕР

Technical Specification

1. Application

• Designed for transformers and special power apparatus applications.
• Electrical ratings are based on use in a liquid-filled transformer, with the lower end of the bushing submerged under oil.

2. Construction and Materials

• Porcelain: High-quality electrical-grade wet-process porcelain, gray glazed over the entire surface.
• Top Skirts: Designed for outdoor applications.
• Spade Casting: Pure copper, tin-plated, with minimum 97% electrical conductivity guaranteed.
• Clamps and Washers: Constructed from nonmagnetic materials.

3. Mechanical Design

• Disc Springs: Maintain constant gasket pressure at the top terminal to compensate for thermal expansion and contraction of the copper stud.
• Mounting: Designed for installation in a 53.13 mm (minimum) diameter hole.

4. Gasket and Sealing

• Standard Gasket: Nitrile (Buna-N)
• Optional Gasket: Cork-rubber composition — to order, add suffix “C” to the part number