8BK80

Genuine metal-clad single busbar switchgear with

Vacuum Circuit Breaker on withdrawable truck upto 36kV

Fully Typed Testedincluding Internal Arc Test

Siemens Ltd.

Power Transmission & Distribution Division

Thane Belapur Road, P.O.ox No 85

Thane, Maharashtra

Visit us : www.siemens.co

Siemens Ltd.

PTD-03-152-011

(This replaces PTD-03-152-010)

“Product development is a continuous process.

Consequently the data indicated in this leaflet is

subject to change without prior notice.

For latest issue contact our Sales Office.“

PowerPowerto the Point

Technical Data

Rated voltage and insulation

List as per IEC 60298 & 60694 36k

V

Power frequency withstand voltage (rms )value 70kV

Lightning impulse withstand voltage (peak) value 170kV

Rated short circuit breaking current (rms) value 31.5kA

Rated short -time current (3sec) (rms) value 31.5kA

Rated short time current (peak) value 78.75kA

Rated current for feeders 2500A

Rated current for main busbars 3150A

Dimensions

Width (mm) 1100 mm

Height (mm) 2250 mm

Depth (mm) 2700 mm

1) Inspection window

2) Spring charging.

3) Mechanical on/off

indicat or + spring

charged indicator

4) Mechanical off P. B.

5) Cranking lever

6) Key for cranking lever

7) Mechanical on P. B.

8) Door handle

Note:

1. Maximum value

2. Higher values on request

Construction

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Standards

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Personal Safety

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Tolerance to

Environment

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Operational Safety /

Maintenance

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Special Features

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True metal-clad and air

insulated switchgear

Single Busbar System

Circuit breaker mounted

on withdrawable truck

IS 3427 and 12729

IEC 60298 and 60694

All switching operations

including VCB rack in-rack

out performed with front

door closed

Earthed metal partitions

prevents contact with

live parts

Earthed metallic shutters

Full metal enclosure

ensures high resistance

to ingress and

interference under all

operating conditions

Insulators have high anti-

tracking qualities

Full mechanical

interlocking ensures

human Safety

Fail safe interlocking

Access door fully

integrated in interlock

system

Service proven vacuum

circuit breaker,

maintenance free

vacuum interrupters, low

maintenance drive

mechanism

Circuit breaker mounted

on withdrawable truck

Safe and easy truck

movement behind closed

cubicle door

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Design Philosophy

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Application ranges:

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Earthed metal partitions

and shutters

User friendly for

installation and

maintenance

Padlockable shutters for

bus and cable side

Access to cable terminals

from the rear

Simplicity and robustness

of operating mechanism

with minimum linkages

Independent pressure

relief vents for all HT

compartments

Total operational safety

High reliability

User friendly

The versatile use of the

8BK80 cubicles is suitable

for installation in

Power stations

Distribution stations

Industries

11001100

55

33

22

44

11

66

00

15001500

22502250

77

88

Front ViewFront View

8BK80

The Safe and True Metal-Clad Switchgear

06200101