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SDC™ Composite Bushing - 25kV

By Electro Composites 

Catalog ID: 150-030-T-470-07

By Electro Composites
Catalog ID:  150-030-T-470-07
SDC™ 25kV-3000 A Transformer Condenser Bushing, Solid-Dielectric-Capacitor Type, Rated per IEEE C57.19.01, Bottom Connected for Air-to-Oil Applications, 21" Min. Oil Immersion Level/CT Pocket Length, 34.3" Min. Creepage Length

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Product Details


Application Transformer
Bottom Terminal Type 1X BLADE WITH 4X 0.56 DIA HOLES
Color Gray
Immersion Type - Above Flange Air
Immersion Type - Below Flange Oil
Material - Flange ALUMINUM
Material - Insulation APG-02 - Cycloaliphatic Epoxy
Mounting Position Vertical to Horizontal
Number of Bolt Holes - Bottom Terminal 4
Number of Flange Mounting Holes 6
Plating - Bottom Terminal None
Test Tap Yes
Top Terminal Plating Silver Plated
Top Terminal Type 3-12
Type SDC - Solid Dielectric Capacitor


Above Flange Length 19.5 in
Below Flange Length 31.5 in
Diameter - Above Flange Maximum 10.13 in
Diameter - Below Flange Maximum D 1" 5.02 in
Diameter - Below Flange Maximum P 5.02 in
Diameter - Live Part Bottom 3.00 in
Diameter - Live Part Top 4.50 in
Effective Length - Bottom Terminal 3.50 in
Effective Length - Top Terminal 3.50 in
Flange Mounting Hole Bolt Circle 9.25 in
Flange Mounting Hole Diameter 0.88 in
Flange Outside Diameter 11.00 in
Length 51.00 in
Length - Ground Shield 21.00 in
Length - Insulation Above Flange 11.30 in
Length - Insulation Below Flange 4.80 in
Length - Live Part Bottom 5.70 in
Length - Live Part Top 4.70 in
Length - Minimum Oil Immersion Level 21.00 in
Sealing Surface Inside Diameter 5.11 in
Sealing Surface Outside Diameter 8.37 in
Top Terminal Min. Thread Length 3.50 in
Weight 163.00 lb

Electrical Ratings

BIL 150 kV
Current Rating 3000 A
Minimum Creepage 34.30 in
Minimum Strike 14.00 in
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)

Sales Drawings