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PRC 85 Series Bushing - 72.5kV

by PCORE Electric 

Catalog ID: B-85503-70

PRC™ 72.5kV-400A Transformer Bushing, Paper-Resin-Capacitor Type, Rated per CSA C88.1, Draw-Lead Connected for Air-to-Oil Applications, 21.62" Min. Oil Immersion Level

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 Vertical
Number of Flange Mounting Holes 6
Test Tap Yes
Top Terminal Plating Silver Plated
Top Terminal Type Threaded
Type Condenser Bushings


Above Flange Length 36.69 in
Below Flange Length 35.38 in
Diameter - Below Flange Maximum D 1" 4.00 in
Diameter - Below Flange Maximum P 4.50 in
Diameter - Live Part Top 4.50 in
Diameter - Top Terminal Outside 1 1/2-12
Effective Length - Top Terminal 2.50 in
Flange Mounting Hole Bolt Circle 9.25 in
Flange Mounting Hole Diameter 0.88 in
Flange Outside Diameter 10.62 in
Length 72.06 in
Length - Drawlead Above Flange 33.00 in
Length - Ground Shield 21.62 in
Length - Live Part Top 5.62 in
Length - Minimum Oil Immersion Level 21.62 in
Sealing Surface Outside Diameter 8.25 in
Stud Inside Diameter 1.00 in
Weight 123 lb

Electrical Ratings

BIL 350 kV
Current Rating 400 A
Minimum Creepage 69.5 in
Minimum Strike 30.00 in
kV Class 72.5 kV

Certifications and Compliance

Industry Standard(s) CSA



PCORE Electric Bushings Factory Tour (VI02003E)

Installation/Instruction Manual (IOM)