HIGH CURRENT BUSHING ASSEMBLIES 2.5 kV CLASS, 60 kV B.I.L., 4.00″ МIN CREEР SIDEWALL OR COVER MOUNTED
Technical Specification
Product: High Current Bushing Assembly
Voltage Class: 2.5 kV
Basic Impulse Level (BIL): 60 kV
Mounting Type: Sidewall or Cover Mounted
Minimum Creepage Distance: 4.00 in
1. Operating Conditions
- Electrical ratings are based on use in liquid-filled transformers, with the lower end of the bushing submerged below the oil level during operation.
- Designed for dependable performance in oil-immersed transformer environments under standard service conditions.
2. Construction and Materials
- Insulating Body: Manufactured from premium electrical-grade wet-process porcelain, providing excellent dielectric strength and mechanical durability.
- Finish: Standard gray glaze, Munsell 5 BG 7.0/0.4, unless otherwise specified.
- Mounting Hole Diameter: 3.38 in (85.9 mm) minimum.
- Mounting Type: Suitable for sidewall or cover mounting applications.
3. Gaskets
- Standard Material: Nitrile (Buna-N) gasket.
- Optional Material: Cork and rubber composite gasket available.
- To specify this option, add suffix “C” to the part number when ordering.
4. Terminal (Spade) Assembly
- Standard Material: 95% minimum conductivity copper.
- Finish: Tin plated for corrosion resistance and improved electrical contact.
- Optional Materials: Lower conductivity copper alloys (e.g., brass, bronze) available upon request at discounted pricing.
5. Design Features
- Designed for high-current transformer applications requiring robust mechanical stability and consistent electrical performance.
- Externally clamped configuration ensures secure mounting and alignment.
- Optimized durability, corrosion resistance, and long-term reliability under oil-immersed conditions.
