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PRC™ Oil-Free Series Bushing - 25kV

By PCORE Electric 

Catalog ID: PRC150F0400B

By PCORE Electric
Catalog ID:  PRC150F0400B
PRC™ 25kV-400A Transformer Bushing, Oil-Free Paper-Resin-Capacitor Type, Rated per IEEE C57.19.01, Draw-Lead Connected for Air-to-Oil Applications, 16.50" Min. Oil Immersion Level

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Product Details


Application Transformer
Bottom Terminal Type Hole
Color Gray
Immersion Type - Above Flange Air
Immersion Type - Below Flange Oil
Material - Flange Aluminum
Material - Insulation Porcelain
Mounting Position Any
Number of Flange Mounting Holes 4
Number of Sheds 6
Test Tap Yes
Top Terminal Plating Silver Plated
Top Terminal Type Threaded
Type Condenser Bushings


Above Flange Length 20.62 in
Below Flange Length 23.00 in
Diameter - Above Flange Maximum 8.00 in
Diameter - Below Flange Maximum D 1" 3.12 in
Diameter - Below Flange Maximum P 3.38 in
Diameter - Conductor Outside Under Insulation 1.00 in
Diameter - Live Part Top 4.13 in
Diameter - Top Terminal Outside 1 1/8-12
Effective Length - Top Terminal 2.50 in
Flange Mounting Hole Bolt Circle 7.25 in
Flange Mounting Hole Diameter 0.88 in
Flange Outside Diameter 8.50 in
Length 43.62 in
Length - Drawlead Above Flange 16.75 in
Length - Ground Shield 16.50 in
Length - Live Part Top 6.81 in
Length - Minimum Oil Immersion Level 16.50 in
Sealing Surface Outside Diameter 6.25 in
Stud Inside Diameter 1.50 in
Thickness - Flange Plate 0.75 in
Weight 41 lb

Electrical Ratings

BIL 150 kV
Current Rating 400 A
Minimum Creepage 31 in
Minimum Strike 12.00 in
kV Class 25 kV

Certifications and Compliance

Industry Standard(s) IEEE

Resources and Downloads