HUBBELL POWER SYSTEMS
Image of B-88842-70 POC 88 Series Bushing - 34.5kV

POC 88 Series Bushing - 34.5kV

Brand: PCORE Electric

Catalog ID: B-88842-70

POC® 34.5kV-4000A Transformer-Circuit Breaker Bushing, Paper-Oil-Capacitor Type, Rated per IEEE C57.19.01, Bottom Connected for Air-to-Oil Applications, 16.50" 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

Catalog Number

B-88842-70

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

23.75 in

Below Flange Length

29 in

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

5.25 in

Diameter - Below Flange Maximum P

6.00 in

Diameter - Bottom Terminal Outside

3-12

Diameter - Live Part Top

9.25 in

Diameter - Top Terminal Outside

3-12

Effective Length - Bottom Terminal

3.00 in

Effective Length - Top Terminal

3.00 in

Flange Mounting Hole Bolt Circle

9.25 in

Flange Mounting Hole Diameter

0.88 in

Flange Outside Diameter

11 in

Length

52.75 in

Length - Ground Shield

16.50 in

Length - Live Part Top

6.25 in

Length - Minimum Oil Immersion Level

16.50 in

Sealing Surface Outside Diameter

8.25 in

Weight

147 lb

Electrical Ratings

BIL

200 kV

Current Rating

4000 A

kV Class

34.5 kV

Minimum Creepage

29.5 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

Mounting Position

Vertical

Number of Flange Mounting Holes

6