HUBBELL POWER SYSTEMS
Image of B-85512-70 PRC 85 Series Bushing - 72.5kV

PRC 85 Series Bushing - 72.5kV

Brand: PCORE Electric

Catalog ID: B-85512-70

PRC® 72.5kV-1200A Transformer-Circuit Breaker Bushing, Paper-Resin-Capacitor Type, Rated per CSA C88.1, Bottom Connected for Air-to-Oil Applications, 10.00" 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

Catalog Number

B-85512-70

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

6

Test Tap

Yes

Top Terminal Plating

Silver Plated

Top Terminal Type

Threaded

Type

Condenser Bushings

Dimensions

Above Flange Length

35.12 in

Below Flange Length

26 in

Diameter - Below Flange Maximum D <gt/> 1"

4.00 in

Diameter - Below Flange Maximum P

4.50 in

Diameter - Bottom Terminal Outside

1 1/2-12

Diameter - Live Part Top

4.50 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

9.25 in

Flange Mounting Hole Diameter

0.88 in

Flange Outside Diameter

10.62 in

Length

61.12 in

Length - Ground Shield

10.00 in

Length - Live Part Top

4.06 in

Length - Minimum Oil Immersion Level

10.00 in

Sealing Surface Outside Diameter

8.25 in

Weight

135 lb

Electrical Ratings

BIL

350 kV

Current Rating

1200 A

kV Class

72.5 kV

Minimum Creepage

69.5 in

Minimum Strike

30 in

Certifications And Compliance

Industry Standard(s)

CSA

Operational

Immersion Type - Above Flange

Air

Immersion Type - Below Flange

Oil

Configuration

Bottom Terminal Type

Threaded

Mounting Position

Vertical

Number of Flange Mounting Holes

6