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SDC™ Composite Bushing - 34.5kV

by Electro Composites 

Catalog ID: 170-004-T-504-00

SDC™ 34.5kV-400DL A Transformer Condenser Bushing, Solid-Dielectric-Capacitor Type, Rated per IEC 60137, Drawlead Connected for Air-to-Oil Applications, 10" Min. Oil Immersion Level/CT Pocket Length, 38.1" Min. Creepage Length

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 Tin Plated
Top Terminal Type 1 1/2-12
Type SDC - Solid Dielectric Capacitor


Above Flange Length 27.81 in
Below Flange Length 18.19 in
Diameter - Above Flange Maximum 8.64 in
Diameter - Below Flange Maximum D 1" 3.48 in
Diameter - Below Flange Maximum P 3.48 in
Diameter - Live Part Bottom 1.25 in
Diameter - Live Part Top 3.50 in
Effective Length - Top Terminal 4.00 in
Flange Mounting Hole Bolt Circle 7.25 in
Flange Mounting Hole Diameter 0.88 in
Flange Outside Diameter 6.50 in²
Length 46.00 in
Length - Drawlead Above Flange 22.94 in
Length - Ground Shield 10.00 in
Length - Insulation Above Flange 18.10 in
Length - Insulation Below Flange 7.39 in
Length - Live Part Bottom 0.80 in
Length - Live Part Top 5.80 in
Length - Minimum Oil Immersion Level 10.00 in
Sealing Surface Inside Diameter 4.37 in
Sealing Surface Outside Diameter 6.37 in
Stud Inside Diameter 1.00 in
Thread Size - Drawlead Connector 3/4-10
Top Terminal Min. Thread Length 4.00 in
Weight 47.00 lb

Electrical Ratings

BIL 170 kV
Current Rating 400 A
Minimum Creepage 38.10 in
Minimum Strike 20.20 in
Withstand Voltage - 60 Hz Dry 70 kV
kV Class 34.5 kV

Certifications and Compliance

Industry Standard(s) IEC 60137



ElectroComposites Factory Tour: St. Jerome (VI00124E)

Sales Drawings