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SDC™ Composite Bushing - 27.5kV

By Electro Composites 

Catalog ID: 150-004-T-463-01

By Electro Composites
Catalog ID:  150-004-T-463-01
SDC™ 27.5kV-400DL A Transformer Condenser Bushing, Solid-Dielectric-Capacitor Type, Rated per CSA C88.1, Drawlead Connected for Air-to-Oil Applications, 10.5" Min. Oil Immersion Level/CT Pocket Length, 30" Min. Creepage Length

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Product Details


Application Transformer
Bottom Terminal Type None
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 Flange Mounting Holes 4
Plating - Bottom Terminal None
Test Tap Yes
Top Terminal Plating None
Top Terminal Type 1 1/2-12
Type SDC - Solid Dielectric Capacitor


Above Flange Length 20.1 in
Below Flange Length 15.38 in
Diameter - Above Flange Maximum 8.64 in
Diameter - Below Flange Maximum D 1" 4.15 in
Diameter - Below Flange Maximum P 4.15 in
Diameter - Live Part Bottom 1.25 in
Diameter - Live Part Top 3.50 in
Effective Length - Top Terminal 2.50 in
Flange Mounting Hole Bolt Circle 7.25 in
Flange Mounting Hole Diameter 0.75 in
Flange Outside Diameter 8.50 in
Length 35.44 in
Length - Drawlead Above Flange 16.50 in
Length - Ground Shield 10.50 in
Length - Insulation Above Flange 11.20 in
Length - Insulation Below Flange 3.55 in
Length - Live Part Bottom 1.40 in
Length - Live Part Top 5.20 in
Length - Minimum Oil Immersion Level 10.50 in
Sealing Surface Inside Diameter 4.37 in
Sealing Surface Outside Diameter 6.50 in
Stud Inside Diameter 1.00 in
Thread Size - Drawlead Connector 3/4-10
Top Terminal Min. Thread Length 2.50 in
Weight 40.00 lb

Electrical Ratings

BIL 150 kV
Current Rating 400 A
Minimum Creepage 30.00 in
Minimum Strike 13.30 in
Withstand Voltage - 60 Hz Dry 70 kV
kV Class 27.5 kV

Certifications and Compliance

Industry Standard(s) CSA C88.1

Resources and Downloads


ElectroComposites Factory Tour: St. Jerome (VI00124E)

Sales Drawings