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SDC™ Composite Bushing - 25kV

by Electro Composites 

Catalog ID: 150-035-T-560-00

SDC™ 25kV-3500 A Transformer Condenser Bushing, Solid-Dielectric-Capacitor Type, Rated per IEEE C57.19.01, Bottom Connected for Air-to-Oil Applications, 16" Min. Oil Immersion Level/CT Pocket Length, 41.2" Min. Creepage Length

Product Details


Application Transformer
Bottom Terminal Type 3-12
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 Flange Mounting Holes 8
Plating - Bottom Terminal None
Test Tap Yes
Top Terminal Plating None
Top Terminal Type 3-12
Type SDC - Solid Dielectric Capacitor


Above Flange Length 24.31 in
Below Flange Length 26.63 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 2.50 in
Effective Length - Top Terminal 4.50 in
Flange Mounting Hole Bolt Circle 9.75 in
Flange Mounting Hole Diameter 0.63 in
Flange Outside Diameter 11.50 in
Length 50.94 in
Length - Ground Shield 16.00 in
Length - Insulation Above Flange 13.60 in
Length - Insulation Below Flange 7.03 in
Length - Live Part Bottom 3.60 in
Length - Live Part Top 6.40 in
Length - Minimum Oil Immersion Level 16.00 in
Sealing Surface Inside Diameter 5.11 in
Sealing Surface Outside Diameter 9.12 in
Top Terminal Min. Thread Length 4.50 in
Weight 173.00 lb

Electrical Ratings

BIL 150 kV
Current Rating 3500 A
Minimum Creepage 41.20 in
Minimum Strike 16.60 in
Withstand Voltage - 60 Hz Dry 60 kV
kV Class 25 kV

Certifications and Compliance

Industry Standard(s) IEEE C57.19.01