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  7. PRC 89 Series Bushing - 25kV

PRC 89 Series Bushing - 25kV

by PCORE Electric 

Catalog ID: B-89293-70

PRC™ 25kV-400A/1200A Transformer-Circuit Breaker Bushing, Paper-Resin-Capacitor Type, Rated per IEEE C57.19.01, Draw-Lead/Bottom Connected for Air-to-Oil Applications, 21.00" Min. Oil Immersion Level

Product Details

General

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

Dimensions

Above Flange Length 20.62 in
Below Flange Length 29.50 in
Diameter - Below Flange Maximum D 1" 3.12 in.
Diameter - Below Flange Maximum P 3.38 in
Diameter - Bottom Terminal Outside 1 1/2-12
Diameter - Live Part Top 3.88 in
Diameter - Top Terminal Outside 1 1/2-12
Effective Length - Bottom Terminal 2.12 in
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 50.13 in
Length - Drawlead Above Flange 16.75 in
Length - Ground Shield 21.00 in
Length - Live Part Top 5.81 in
Length - Minimum Oil Immersion Level 21.00 in
Sealing Surface Outside Diameter 6.25 in
Stud Inside Diameter 0.88 in
Weight 58 lb

Electrical Ratings

BIL 150 kV
Current Rating
  • 400 A
  • 1200 A
Minimum Creepage 31 in
Minimum Strike 13.00 in
kV Class 25 kV

Certifications and Compliance

Industry Standard(s) IEEE

Resources/Downloads

Catalogs

  PCORE Capacitance Graded Bushings Test Terminals and Services

Videos

PCORE Electric Bushings Factory Tour (VI02003E)

Installation/Instruction Manual (IOM)

  Instruction Manual for PRC® Bushings

Sales Drawings

  PRC Bushing (89293_and_70)