PRC 89 Series Bushing - 25kV
Brand: 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
PRC type bushings feature a resin impregnated capacitance graded core with an external porcelain insulator. PRC bushings can be oil filled or oil free.
- Resin-impregnated paper wound core with external porcelain insulator
- High creep upper porcelain, High seismic
General
Application
Transformer-Oil Circuit Breaker
Bottom Terminal Type
Threaded w/ Hole
Catalog Number
B-89293-70
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
29.5 in
Diameter - Below Flange Maximum D <gt/> 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
Dimensions
50.13 in x 8.50 in x 50.13 in
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
8.5 in
Height
50.13 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
60 lb
Width
8.5 in
Electrical Ratings
BIL
150 kV
Current Rating
400/1200 A
kV Class
25 kV
Minimum Creepage
31 in
Minimum Strike
13 in
Certifications And Compliance
Industry Standard(s)
IEEE
Operational
Immersion Type - Above Flange
Air
Immersion Type - Below Flange
Oil
Configuration
Bottom Terminal Type
Threaded w/ Hole
Mounting Position
Vertical
Number of Flange Mounting Holes
4