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SDC™ Composite Bushing - 25KV

By Electro Composites 

Catalog ID: 150-140-G-939-00

By Electro Composites
Catalog ID:  150-140-G-939-00
SDC™ 25kV-14000A GSU Transformer Condenser Bushing, Solid-Dielectric-Capacitor Type, Rated per IEEE C57.19.01, Bottom Connected for Air-to-Oil Applications, 21.0" Min.Oil Immersion Level/CT Pocket, 34.2" Min. Creepage Length
  • SDC™ - Solid Dielectric Capacitance Graded Composite Construction
  • EC-APG-15NA High Temperature Cycloaliphatic Epoxy Compound for high temperature applications
  • Meets IEEE C57.19.01 Electrical and Mechanical Requirements
  • Can be mounted vertically or horizontally

More Options

Product Details


Application GSU
Bottom Terminal Type 2X Blades With 6X 0.69 Dia Holes
Color Gray
Immersion Type - Above Flange Air
Immersion Type - Below Flange Oil
Material - Flange Aluminum
Material - Insulation APG-15NA - High Temp Cycloaliphatic Epoxy
Mounting Position Vertical to Horizontal
Number of Bolt Holes - Bottom Terminal 12
Number of Bolt Holes - Top Terminal 40
Number of Flange Mounting Holes 12
Plating - Bottom Terminal None
Test Tap Yes
Top Terminal Plating Silver
Top Terminal Type 4X Blades With 10X 0.69 Dia Holes
Type SDC - Solid Dielectric Capacitor


Above Flange Length 22.65 in
Below Flange Length 32.50 in
Diameter - Above Flange Maximum 15.75 in
Diameter - Below Flange Maximum D 1" 12.50 in
Diameter - Below Flange Maximum P 12.50 in
Diameter - Live Part Bottom 12.50 in
Diameter - Live Part Top 13.81 in
Effective Length - Bottom Terminal 4.13 in
Effective Length - Top Terminal 3.88 in
Flange Mounting Hole Bolt Circle 18.50 in
Flange Mounting Hole Diameter 0.88 in
Flange Outside Diameter 20.00 in
Length 55.16 in
Length - Drawlead Above Flange NA
Length - Ground Shield 21.00 in
Length - Insulation Above Flange 14.40 in
Length - Insulation Below Flange 26.70 in
Length - Live Part Bottom 5.80 in
Length - Live Part Top 4.70 in
Length - Minimum Oil Immersion Level 21.00 in
Sealing Surface Inside Diameter 13.11 in
Sealing Surface Outside Diameter 17.62 in
Top Terminal Min. Thread Length 3.88 in
Weight 504 lb

Electrical Ratings

BIL 150 kV
Current Rating 14000 A
Minimum Creepage 34.2 in
Minimum Creepage - Inside NA
Minimum Strike 15.0 in
Minimum Strike - Inside NA
Withstand Voltage - 60 Hz Dry 60 kV
kV Class 25 kV

Certifications and Compliance

Industry Standard(s) IEEE C57.19.01

Resources and Downloads


ElectroComposites Factory Tour: St. Jerome (VI00124E)