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 8.00 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 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