HUBBELL POWER SYSTEMS
Image of B-88723-70 POC 88 Series Bushing - 25kV

POC 88 Series Bushing - 25kV

Brand: PCORE Electric

Catalog ID: B-88723-70

POC® 25kV-2000A Transformer-Circuit Breaker Bushing, Paper-Oil-Capacitor Type, Rated per IEEE C57.19.01, 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

Catalog Number

B-88723-70

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

18.38 in

Below Flange Length

29.5 in

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

3.12 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

47.88 in x 8.50 in x 47.88 in

Effective Length - Bottom Terminal

2.12 in

Effective Length - Top Terminal

2.12 in

Flange Mounting Hole Bolt Circle

7.25 in

Flange Mounting Hole Diameter

0.88 in

Flange Outside Diameter

8.5 in

Height

47.88 in

Length

47.88 in

Length - Ground Shield

21.00 in

Length - Live Part Top

5.12 in

Length - Minimum Oil Immersion Level

21.00 in

Sealing Surface Outside Diameter

6.25 in

Weight

70 lb

Width

8.5 in

Electrical Ratings

BIL

150 kV

Current Rating

2000 A

kV Class

25 kV

Minimum Creepage

19.5 in

Minimum Strike

11 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

4