Brand: PCORE Electric
Catalog ID: B-89311-70
PRC type bushings feature a resin impregnated capacitance graded core with an external porcelain insulator. PRC bushings can be oil filled or oil free.
Application
Transformer-Oil Circuit Breaker
Bottom Terminal Type
Threaded
Catalog Number
B-89311-70
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
Above Flange Length
22.38 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
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
Length
51.88 in
Length - Ground Shield
16.50 in
Length - Live Part Top
4.06 in
Length - Minimum Oil Immersion Level
16.50 in
Sealing Surface Outside Diameter
6.25 in
Weight
74 lb
BIL
200 kV
Current Rating
1200 A
kV Class
34.5 kV
Minimum Creepage
41 in
Minimum Strike
17 in
Industry Standard(s)
IEEE