HUBBELL POWER SYSTEMS
Image of B-88813-70 POC 88 Series Bushing - 34.5kV

POC 88 Series Bushing - 34.5kV

Brand: PCORE Electric

Catalog ID: B-88813-70

POC® 34.5kV-400A/1200A Transformer-Circuit Breaker Bushing, Paper-Oil-Capacitor Type, Rated per IEEE C57.19.01, Draw-lead Connected/Bottom Connected for Air-to-Oil Applications, 21.00" Min. Oil Immersion Level

POC type bushings feature an oil impgregnated capacitance graded core with an external porcelain insulator. POC type bushings are oil filled.

  • Paper oil capacitor wound core with external porcelain insulator
  • High seismic

General

Application

Transformer-Oil Circuit Breaker

Bottom Terminal Type

Threaded w/ Hole

Catalog Number

B-88813-70

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

24.12 in

Below Flange Length

31.5 in

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

3.50 in

Diameter - Below Flange Maximum P

4.00 in

Diameter - Bottom Terminal Outside

1 1/2-12

Diameter - Live Part Top

7.25 in

Diameter - Top Terminal Outside

1 1/2-12

Dimensions

55.63 in x 8.50 in x 55.63 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

55.63 in

Length

55.63 in

Length - Drawlead Above Flange

20.19 in

Length - Ground Shield

21.00 in

Length - Live Part Top

7.25 in

Length - Minimum Oil Immersion Level

21.00 in

Sealing Surface Outside Diameter

6.25 in

Stud Inside Diameter

0.88 in

Weight

80 lb

Width

8.5 in

Electrical Ratings

BIL

200 kV

Current Rating

400/1200 A

kV Class

34.5 kV

Minimum Creepage

30 in

Minimum Strike

14 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