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POC 88 Series Bushing - 25kV

By PCORE Electric 

Catalog ID: B-88732-70

By PCORE Electric
Catalog ID:  B-88732-70
POC™ 25kV-3000A Transformer-Circuit Breaker Bushing, Paper-Oil-Capacitor Type, Rated per IEEE C57.19.01, Bottom Connected for Air-to-Oil Applications, 16.50" Min. Oil Immersion Level

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Product Details


Application Transformer-Oil Circuit Breaker
Bottom Terminal Type Threaded
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 4
Test Tap Yes
Top Terminal Plating Silver Plated
Top Terminal Type Threaded
Type Condenser Bushings


Above Flange Length 18.75 in
Below Flange Length 26.00 in
Diameter - Below Flange Maximum D 1" 4.00 in
Diameter - Below Flange Maximum P 5.00 in
Diameter - Bottom Terminal Outside 2-12
Diameter - Live Part Top 7.25 in
Diameter - Top Terminal Outside 2-12
Effective Length - Bottom Terminal 2.12 in
Effective Length - Top Terminal 2.12 in
Flange Mounting Hole Bolt Circle 8.25 in
Flange Mounting Hole Diameter 0.88 in
Flange Outside Diameter 10.00 in
Length 44.75 in
Length - Ground Shield 16.50 in
Length - Live Part Top 5.12 in
Length - Minimum Oil Immersion Level 16.50 in
Sealing Surface Outside Diameter 7.25 in
Weight 90 lb

Electrical Ratings

BIL 150 kV
Current Rating 3000 A
Minimum Creepage 20 in
Minimum Strike 11.00 in
kV Class 25 kV

Certifications and Compliance

Industry Standard(s) IEEE

Resources and Downloads


PCORE Electric Bushings Factory Tour (VI02003E)

Installation/Instruction Manual (IOM)