GE AK-1-15 Series Bedienungsanleitung

Andere Handbücher für AK-1-15 Series

2

Dieses Handbuch passt für folgende Modelle

13

Inhaltsverzeichnis

Andere GE Schutzschalter Handbücher

GE

GE AK-2-50 Bedienungsanleitung

GE

GE AM-4.16-250-6 Bedienungsanleitung

GE

GE Power-Break TSUV1 Bedienungsanleitung

GE

GE Power Break II Bedienungsanleitung

GE

GE GCCC024DR Bedienungsanleitung

GE

GE SF6 Bedienungsanleitung

GE

GE AM-4.16-250-6 Bedienungsanleitung

GE

GE A Series Pro-Stock THQB Bedienungsanleitung

GE

GE Power Break II Bedienungsanleitung

GE

GE AKR-3-50 Bedienungsanleitung

GE

GE EntelliGuard G Bedienungsanleitung

GE

GE AK-2-15 Bedienungsanleitung

GE

GE Power Break II Bedienungsanleitung

GE

GE PowerVac 5kV VL Bedienungsanleitung

GE

GE MicroVersaTrip Plus Bedienungsanleitung

GE

GE FK800 Bedienungsanleitung

GE

GE SPST012 Bedienungsanleitung

GE

GE EntelliGuard G Benutzerhandbuch

GE

GE GEH-62808 Bedienungsanleitung

GE

GE ReliaGear Pro-Stock THQB Bedienungsanleitung

GE

GE GEK-7345 Bedienungsanleitung

GE

GE S2500 Bedienungsanleitung

GE

GE GSTG024D Bedienungsanleitung

GE

GE PowerVac GEK-86132F Bedienungsanleitung

Beliebte Schutzschalter Handbücher anderer Marken

ABB

ABB SACE Emax 2 E2.2 Bedienungsanleitung

Eaton

Eaton NOVA LBS 15 Bedienungsanleitung

Gewiss

Gewiss 90 RCD Bedienungsanleitung

ABB

ABB SACE Emax E1 Bedienungsanleitung

Siemens

Siemens SIRIUS 3RV1742 Bedienungsanleitung

WEG

WEG FHU ACW125 Bedienungsanleitung

Siemens

Siemens Sentron 3VA9157-0PK1 Series Bedienungsanleitung

hager

hager TS 303 Montageanleitung

ETI

ETI EFI-4B Bedienungsanleitung

nader

nader NDM3EU-225 Bedienungsanleitung

TERASAKI

TERASAKI NHP TemBreak PRO P160 Series Bedienungsanleitung

Gladiator

Gladiator GCB150 Bedienungsanleitung

Eaton

Eaton 50DHP-VR Handbuch

ABB

ABB SACE Emax 2 E6.2 Handbuch

OEZ

OEZ LFN Bedienungsanleitung

Eaton

Eaton Power Defense PDG2 Handbuch

Bticino

Bticino L4412CM2 Bedienungsanleitung

Eaton

Eaton S-T0 Handbuch

rf

-

rac

,

,

K

)

A

V

•

INSTRUCTION

'

S

GEH

-

I

807

B

f

»

•

r

*

*

/

-

t

/

AIR

CIRCUIT

BREAKERS

\

!

.

V

(

i

*

<

i

*

Typos

AK

-

l

-

'

lS

and

AK

-

1

-

25

Electrically

Operated

V

,

*

/

\

m

t

i

*

LOf

VBU

’

ASE

SWITCHGEAR

DEPARTMENT

1

.

«

!

^

v

'

.

*

GENERAL

ELECTRIC

.

PHILADELPHIA

,

P A

.

y

«

/

•

Courtesy of NationalSwitchgear.com

PAGE

.

03

'

Lt

c

/

^

o

gui

CONTENTS

PAGE

INTRODUCTION

RECEIVING

,

HANDLING

AND

STORAGE

INSTALLATION

LOCATION

’

MOUNTING

'

'

CONNECTIONS

OPERATION

MANUAL

ELECTRICAL

.

.

.

.

.

.

..

.

8

3

4

i

4

4

6

6

C

MAINTENANCE

.

.

INSPECTION

Tools

,

LubrioattOn

.

.

Trouble

Shooting

.

,

BASIC

BREAKER

COMPONENTS

ARC

QUENCHER

.

POLE

UNIT

ASSEMBLY

OPERATING

MECHANISM

.

.

.

AUXILIARY

SWITCH

ELECTRICAL

CLOSING

DKVICES

AND

CONTROLS

6

*

4

0

t

7

7

«

r

L

7

.

J

i

9

S

’

9

9

12

17

17

i

»

PROTECTIVE

DEVICES

TIME

DELAY

UNDERVOLTAGE

TRIPPING

DEVICE

,

.

,

INSTANTANEOUS

UNDERVOLTAGE

TRIPPING

DEVICE

SERIES

OVERCURRENT

TRIPPING

DEVICE

REVERSE

CURRENT

TRIPPING

DEVICE

19

20

20

n

u

SF

MISCELLANEOUS

SHUNT

TRIPPING

DEVfcfe

,

BELL

ALARM

.

AND

LOCKOUT

DEVICES

u

.

.

.

.

.

.

.

.

.

GENERAL

PURPOSE

INDOOR

ENCLOSING

CASE

.

.

WEATHER

RESISTING

ENCLOSING

CASE

!

DRAWOUT

BREAKER

TYTK

AK

-

:

Uir

>

Tl

«

3

ANb

AK

*

l

-

2

m

4

BREAKER

RENEWAL

PARTS

*

u

«

0

ra

24

20

&

W

20

27

t

«

'

27

29

8

*

k

29

*

>

i

1

i

s

'

2

i

Courtesy of NationalSwitchgear.com

PAGE

04

“

tu

-

ru

W

W

I

W

V

W

J

.

f

I

/

/

WWW

"

I

F

'

AIR

CIRCUIT

BREAKERS

ELECTRICALLY

OPERATED

Ij

AK

-

lilS

-

3

THROUGH

AK

-

1

-

15

-

9

INTRODUCTION

rup

^

r

difference

in

the

upper

Mtud

and

later

-

AU

Of

theet

?

models

are

essentially

the

game

breaker

.

As

various

danign

Improvements

and

new

features

were

added

,

the

suffix

digit

of

the

type

number

was

progressively

Increased

,

Mainly

,

Changes

made

ware

of

A

very

minor

nature

.

These

are

tabulated

below

!

AK

-

1

-

15

/

25

-

3

Basic

model

AK

-

1

-

15

/

25

-

4

Improved

"

Y

"

relay

In

sole

-

noid

control

system

.

res

RATINGS

"

HIM

Continuous

Current

Rating

Interrupt

-

ing

Voltage

Breaker

Type

Rating

RMS

Amperes

'

^

-

TTYH

RMJ

3

Ampereis

AC

DC

AK

"

Jw

16

AK

-

l

-

lB

AK

-

I

-

lh

10

to

229

30

,

000

.

25

,

000

15

,

000

240

and

below

241

-

400

481

-

C

00

A

&

>

l

-

15

/

25

~

c

stationary

primary

disconnect

<

and

cable

clamp

raUmignod

,

(

Only

endowed

breakers

at

-

,

footed

*

)

.

AK

>

!

Ul

$

/

85

-

i

7

New

type

of

front

escutcheon

and

dosing

handle

,

Trip

but

-

ton

relocated

on

©

scutcheon

and

reset

lever

of

bell

alarm

and

lockout

breaker

#

changed

,

1302

overload

trip

device

used

Instead

of

the

KC

-

1

device

ex

-

cept

on

units

requiring

the

short

time

delay

feature

.

i

,

AK

-

l

-

15

/

2

Ii

-

B

New

drawout

frame

Introduced

.

15

to

2213

15

to

2215

200

AK

-

1

-

28

35

to

«

00

50

,

000

35

,

000

25

,

000

240

and

below

241

-

400

451

-

000

K

>

1

-

26

»

.

-

1

-

28

30

to

000

35

to

800

250

i

!

Those

circuit

breakers

are

generally

used

for

protection

and

control

of

apparatus

and

branch

circuits

,

Including

equipment

in

,

buildings

,

indus

-

tries

,

power

stations

and

for

inorbie

applications

within

the

ratings

designated

.

The

AK

-

1

-

15

and

AK

-

1

-

25

differ

in

that

the

AK

-

1

-

26

has

one

extra

contact

per

pole

with

cor

-

r

RECEIVING

,

.

HANDLING

Am

STORAGE

Immediately

upon

receipt

of

the

circuit

breaker

,

any

dirt

or

particles

of

packing

material

that

may

an

examination

should

be

made

for

any

damage

have

accumulated

on

the

breaker

parte

.

,

or

loss

sustained

In

transit

,

,

Jf

iniury

or

rough

}

handling

is

evident

,

a

damage

ertaim

should

bo

filed

at

once

with

tm

transportation

company

and

the

nearest

General

Kiefctrie

Solos

Office

should

be

promptly

notified

.

The

circuit

breaker

should

be

unpacked

as

possible

after

being

received

,

Caro

should

in

unpacking

to

avoid

damaging

any

of

tho

Be

sure

that

ho

loose

parte

are

missing

or

left

in

the

patting

malarial

.

Blow

out

If

the

circuit

breaker

is

not

installed

at

once

,

it

should

be

stared

in

a

clean

dry

place

and

pre

-

ferably

placed

in

;

a

vertical

position

.

It

should

be

pnorted

to

prevent

bending

of

studs

or

damage

the

breaker

parts

.

It

is

advisable

not

to

cover

the

breaker

with

any

packing

or

oilier

material

that

absorbs

moisture

which

may

cause

corrosion

of

breaker

parts

.

i

A

covering

of

paper

will

prevent

dust

*

from

settling

on

the

breaker

parts

.

ffU

to

soon

as

be

used

breaker

ports

.

7

/

twe

Wrucffcwu

do

sot

juwporf

to

cover

off

detoff

?

or

vorfof

/

orw

h

cqvipnmt

nor

tv

provkfo

for

every

fxwfbfo

contingency

to

be

me

*

m

connection

with

fnsfaffafiom

,

opmrtion

or

maintenance

*

$

!

joo

#

d

further

/

nfonmrfksi

be

dey

/

red

iw

diouk

/

parikutar

prob

/

emi

ariie

which

are

not

covered

nuffidantfy

for

the

pUmttfw

'

f

parptweit

,

the

matter

fthooJd

be

referred

to

ttw

»

Gemrttff

Vi

+

drk

Company

,

1

3

Courtesy of NationalSwitchgear.com

PAGE

05

4

OHO

UW

I

u

?

{

t

,

w

*

t

GKH

-

1807

Air

Circuit

Breaker

Typo

AK

-

1

-

16

and

AIM

-

2

6

INSTALLATION

©

.

Before

being

rtlpfMXl

,

*

U

broker

adjustments

imd

setting

*

have

been

carefully

made

and

checked

bv

experienced

factory

personnel

.

At

the

.

time

W

motkliaiiou

^

it

should

only

be

necoBeary

to

observe

the

operation

of

the

breaker

to

eetafolliwh

that

no

unobservable

damage

has

occurred

duxlnr

ohlpmenL

*

LOCATION

The

air

circuit

breaker

should

be

Installed

In

a

clean

dry

place

where

it

.

in

readily

accessible

tor

operation

,

inspection

and

proper

maintenance

.

Special

enclosures

are

available

for

the

inataUa

-

Uon

of

circuit

breakers

which

may

be

subjected

to

dust

and

moisture

or

other

unfavorable

locations

!

.

MOUNTING

DEAD

FRONT

BREAKERS

2

.

Remove

two

bolts

haloing

breaker

in

place

.

3

.

Remove

breaker

,

4

.

Mount

case

.

B

,

Make

power

,

control

and

ground

noctWms

,

d

,

Install

breaker

in

case

and

replace

two

mounting

bolts

and

enclosure

cover

,

(

b

)

Weather

Resisting

1

.

Opun

enclosing

case

door

,

2

.

Withdraw

breaker

(

sec

"

Weather

Re

-

sisting

Endowing

Case

"

)

,

3

»

Mount

case

.

4

.

Make

power

,

control

and

ground

eon

*

neotiona

,

6

,

Insert

breaker

(

see

"

Weather

Resist

-

ing

Enclosing

Case

"

)

,

con

-

BONNKCTION

*

Dead

front

circuit

,

breakers

are

designed

for

mounting

In

a

Switchboard

or

an

enclosing

case

.

The

connections

to

the

circuit

breaker

studs

mounting

of

«

foad

front

brettkers

consists

in

should

be

firmly

clamped

or

bolted

In

place

to

placing

the

breakers

within

tee

enclosed

structure

prevent

excessive

heating

.

The

connecting

cables

win

connecting

tee

power

buses

or

cables

and

rank

-

or

bus

bara

should

have

a

current

-

carrying

capac

-

ing

the

necessary

control

conneettone

.

The

standard

lty

sufficient

to

limit

their

temperature

rise

to

mounting

depth

from

tee

back

nurfaec

of

tee

breaker

that

specified

for

the

breakers

.

If

these

connecting

base

to

the

back

aid

?

of

the

front

panel

le

8

-

3

/

4

"

.

cables

or

bus

bars

are

not

of

sufficient

size

,

heat

will

bo

conducted

from

them

to

the

breaker

so

that

The

front

cover

of

dead

front

breakers

consists

tec

breaker

cannot

carry

normal

rated

current

.

Aft

'

her

of

a

hinged

doc

»

r

with

cut

-

out

or

a

plate

without

exceeding

tee

specified

temperature

rise

.

Wr

Xtcd

to

tlm

panel

.

Connecting

cables

or

bus

bars

stiould

brsupported

so

teat

the

breaker

studs

will

not

be

subjected

to

unnecessary

strains

.

The

,

A

terminal

board

on

the

right

side

of

the

reaker

is

used

for

making

various

control

con

-

nections

with

breaker

devices

.

An

auxiliary

switch

on

the

left

side

of

the

breaker

is

used

for

some

WIRING

DIAGRAM

control

connections

and

for

connecting

various

*

"

-

auxiliary

accessories

.

wiring

diagram

,

Fig

.

1

,

shows

a

typ

elementary

and

itypfoftl

connection

diagram

with

the

breaker

in

the

open

position

.

When

normal

voltage

is

supplied

to

the

control

circuit

,

either

by

closing

a

remote

switch

or

by

preening

the

push

button

PB

,

the

closing

contactor

X

coll

will

become

energized

through

contacts

When

disconaectfi

,

Fig

.

28

,

jure

used

,

the

break

-

bb

(

1

-

2

)

and

Y

:

(

4

-

3

)

.

The

X

contacts

will

close

,

er

is

placed

against

the

panel

so

that

the

disconnects

sealing

in

the

X

cou

through

contact

X

(

1

-

2

)

and

fit

over

the

stationary

studs

to

which

the

power

energizing

the

breaker

closing

coil

through

contacts

sflk

circuits

are

connected

.

Four

1

/

i

!

"

mounting

bolte

X

(

3

-

4

)

,

X

(

8

~

3

)

i

;

and

X

0

-

8

)

.

The

breaker

will

than

w

'

are

teen

inserted

into

tee

holes

for

bolting

the

close

,

thereby

opening

the

bb

contact

and

closing

breaker

to

the

pan

®

!

,

When

disconnects

fixe

not

the

aft

contact

,

of

the

prop

switch

,

Prop

switch

bb

used

,

the

power

circuits

are

bolted

'

,

to

tee

breaker

contact

will

open

tee

circuit

through

the

X

contactor

studs

after

bolting

tee

breakor

to

tea

panel

by

using

coil

,

thus

do

-

energising

the

breaker

closing

coil

the

four

1

/

2

"

mounting

bolts

.

Breakers

mounted

In

through

contacts

X

(

8

-

4

)

,

X

(

8

-

6

)

,

and

X

(

7

-

8

)

.

drawouts

or

an

enclosing

case

(

see

below

)

are

Prop

switch

aa

contact

will

cause

tee

permissive

equipped

with

disconnects

.

relay

Y

coll

to

become

energized

providing

contact

is

maintained

on

the

closing

switch

.

The

Y

relay

ENCLOSED

BREAKER

will

also

open

the

circuit

of

tee

X

contactor

coll

,

thereby

providing

an

anti

-

pump

feature

.

Hie

enclosed

air

circuit

breaker

is

shipped

in

,

_

.

. .

,,

,

.

.

.

„

an

enclosing

cage

.

To

install

the

enclosed

breaker

,

Operating

tee

remote

trip

switch

with

the

*

oceed

ns

follows

;

breaker

closing

will

cause

the

shunt

trip

eoil

.

be

*

,

,

_

,

n

„

„

come

energized

and

Will

trip

the

breaker

.

The

trip

(

a

)

General

Purpose

Indoor

Impulse

is

interrupted

by

an

"

ft

"

contact

of

the

1

.

Remove

sever

from

enclosure

.

auxiliary

switch

.

;

The

leal

The

structural

xmrface

to

’

which

the

breaker

U

\

bolted

must

be

flat

through

-

out

mid

the

supporting

structure

uuuflt

be

of

eumcient

strength

to

nold

the

breaker

firmly

in

place

*

Minimum

cut

-

out

dimen

*

slons

muet

be

maintained

in

order

lo

have

propftr

electrical

clearance

*

i

Courtesy of NationalSwitchgear.com

r

WIG

.

Air

Circuit

Breakers

Type

AK

-

l

-

lO

and

AK

-

1

-

26

OKH

-

IOOT

I

NOTTS

WHEN

SKMRATK

POWER

SOURCE

HW

CLOSING

got

B

im

>

,

OMIT

JUMPERS

Ai

'

As

a

AW

4

THEN

CONNECT

CLOSING

POWER

TO

AS

a

,

M

ANp

CONTROL

POWER

TO

Al

ft

Ait

,

r

”

cncT

"

B

,

trasa

:

-

F

4

~

i

-

'

Fl

—

Srti

»

.

i

/

A

;

JA

~

'

!

?

]

TCLOSE

-

T

4

;

4

_

,

.

Ti

.

rJ

.

J

-

.

B

!

-

-

KI

I

o

*

-

KKH

;

-

K

5

—

“

N

8

*

-

-

GS

4

-

*

I

*

-

-

~

U

T

*

1

3

fe

-

M

2

~

—

Kf

^

I

o

'

K

(

CH

ft

*

*

•

wKS

"

-

'

’

fl

3

tf

-

'

G

"

^

cix

>

se

-

tf

.

r

.

3

-

-

*

-

X

'

CLQSIIW

-

~

e

>

~

-

Y

-

SOURCE

i

-

c

.

»

—

’

Y

-

SOURCE

iiii

—

<

U

>

-

*

CLOSING

—

SOURCE

3

°

-

4

-

T

«

—

|

.

J

SOUROE

-

G

;

V

-

-

Ur

~

M

£

-

-

•

O

)

e

-

-

o

ft

<

A

-

;

~

v

$

CE

-

j

o

4

ti

|

ft

f

)

0

hAf

.

.

-

*

TRtP

I

*

.

M

-

O

5

0

-

040

o

5

«

C

6

«

JA

1

»

\

>

*

•

I

-

F

6

.

si

K

2

-

*

GS

-

»

T

-

G

4

~

;

*

1

rt

»

sin

-

rX

i

.

y

Al

l

r

-

K

»

0

o

-

-

*

CU

$

70

M

£

R

WIRING

^

FACTORY

WIRING

ww

»

mww

>

v

-

FI

*

>

wuMxn

u

-

J

5

-

FB

-

'

-

t

3

ET

*

r

1

wsss

?

«

or

«

s

«

»

m

»

18

=

85

SM

18

=

l

CONNECTION

DIAGRAM

*

:

JMJ

£

JUUEUAmiU

A

'

F

|

^

V

1

"

E

¥

?

ARD

L

0

CATED

T

0

P

,

(

i

0

l

,

T

'

ti

-

TERMINAL

OOARD

-

LOOATEP

UNDER

-

A

.

F

-

ANTMTIMI

?

PERMISSIVE

RELAY

,

0

-

(

GO

-

bb

)

-

MECHANISM

SWITCH

*

-

r

5

¥

r

<

I

u

X

TRIP

t

oiose

till

Hh

-

-

-

Bfc

AS

.

»

•

I

S

/

WK

.

W

.

«

«

«

»

«

M

-

OfM

-

SHONT

TRIP

DEVICE

.

N

-

WAp

SOLENOID

OLOSING

COIL

.

P

-

wVl

'

OLOBINO

SWITCH

ON

BREAKER

.

T

~

TRANSFORMER

.

K

>

;

lit

iwx

,

*

«

h

it

*

I

-

.

^

rx

*

2

e

wjutva

£

X

=

KY

>

T

.

U

.

£

%

x

'

1

u

>

.

.

bb

au

fir

1

vi

;

>

0

,

0

.

3

6

*

'

Sy

M

®

1

x

)

!

i

0

.

’

I

Tnri

>

0

jii

A

4

1

i

*

r

—

0

I

I

1

,

1

1

Y

:

Y

Y

ELEMENTARY

DIAGRAM

I

Fig

*

I

Wring

DliffrMMt

5

i

Courtesy of NationalSwitchgear.com

PAGE

07

.

VlfZffZm

4

!

(

H

5

H

-

1007

Air

Circuit

Breakers

Type

AK

-

1

-

18

and

AK

-

l

-

SB

I

i

OPERATION

SSI

^

S

F

|

0

a

;

«

«

us

>

"

ai

"

I

?

ir

£

HT

-

«

«

the

maintenance

handle

is

shown

In

Fig

.

8

,

Use

of

B

!

tho

handle

in

an

upside

-

down

position

can

result

in

'

damage

to

the

breaker

parts

and

should

be

avoided

,

i

If

die

escutcheon

(

9

)

Fig

.

S

has

been

removed

from

the

breaker

,

the

maintenance

handle

can

no

longer

be

used

.

However

,

the

breaker

still

may

be

closed

manually

by

inserting

a

screw

driver

In

the

position

shown

In

Figs

,

E

and

6

A

,

and

then

rotating

its

lumdlo

upwards

and

towards

the

roar

of

the

breakert

The

breaker

may

be

tripped

manually

by

mmm

of

the

trip

button

or

automatically

by

any

of

the

trip

devices

with

which

it

la

equipped

*

.

i

•

m

r

‘

l

t

•

•

a

ai

in

i

i

r

“

H

m

iM

*

ft

*

&

S

3

n

R

«

A

uii

'

ELECTRICAL

m

*

•

T

'

cn

K

iM

u

-

ttilh

[

s

;

I

The

breaker

1

^

cio

@

ed

elegtricaiiy

by

mew

o

:

t

a

push

button

,

located

on

fixe

front

of

the

breaker

,

or

by

a

remote

switch

.

When

the

closing

contact

is

pade

the

x

contactor

becomes

energized

,

thereby

closing

the

x

contacts

and

energizing

the

breaker

cloning

solenoid

,

which

causes

the

breaker

to

clone

,

the

breaker

closer

?

,

the

prop

switch

causes

the

-

breaker

closing

solenoid

to

be

de

-

energized

*

#

5

*

MAtNTfiM

&

hGE

HANDLE

Fig

,

2

:

Utc

#

lag

Breaker

With

Manual

Ntltitonanc

*

When

\

:

*

*

MAINTENANCE

Always

Inspect

the

breaker

alter

a

short

circuit

Current

lias

been

interrupted

.

At

the

time

of

periodic

inspection

,

the

following

chock

#

should

bo

made

after

the

breaker

has

been

do

-

onorgiv

.

cd

,

:

INSPECTION

BEFORE

INSPECTION

OR

ANY

MAINTE

-

NANCE

WORK

IS

DONE

,

BE

SURE

THAT

THE

BREAKER

IS

IN

THE

OPEN

POSITION

.

ALL

ELECTRICAL

POWER

,

BOTH

PRIMARY

AND

CON

-

TROL

SOURCES

,

SHOULD

ALSO

BE

DISCON

-

NECTED

.

Periodic

inspection

of

the

circuit

breaker

is

recommended

at

least

once

a

year

.

More

frequent

Inspections

are

recommended

,

if

severe

load

condi

-

tions

,

dust

,

moisture

,

or

other

unfavorable

condi

-

tions

exist

.

2

.

Electrically

operate

the

breaker

several

'

tunes

to

ascertain

whether

the

electrical

attaclimenta

are

functioning

properly

.

3

,

Arc

trencher

(

See

Section

Quencher

”

)

,

1

,

Manuu

check

f

on

"

Arc

4

,

Contact

condition

,

wipe

,

and

pressure

(

See

'

Section

ion

"

Pole

unit

Assembly

”

)

,

0

.

Latch

engagement

(

See

Adjustments

under

"

Operating

Mechanism

"

)

,

0

.

Overload

device

tripping

(

See

Adjustments

W

under

1

"

Series

Overcurrent

Tripping

Device

'

!

)

.

If

the

breaker

remains

open

or

closed

for

a

long

period

of

time

,

,

It

le

recommended

that

arrangements

be

made

to

open

and

close

it

several

times

in

succession

,

,

preferably

under

load

.

At

all

tliuee

It

Is

important

not

to

permit

pencil

lines

,

paint

,

oil

or

other

foreign

materials

to

remain

ion

the

insulating

surfaces

of

the

breaker

as

they

'

may

cause

low

resistance

between

points

of

different

,

potential

and

result

in

eventual

electrical

breakdown

.

H

6

Courtesy of NationalSwitchgear.com

;

j

PAGE

08

A

,

tr

Circuit

Breakers

Type

AK

-

I

-

15

and

AK

-

1

-

25

GEH

-

1807

TOOLS

5

/

8

"

8

/

8

"

H

/

3

SJ

»

.

0

/

1

flv

open

End

Wrench

•

sSEsVSKSSKSs

#

1

BUiiupa

Screw

Driver

Brtver

with

8

"

shaft

#

3

Phillips

Screw

Driver

JrRrtr

"

?

^

(

Short

)

Screw

Driver

2

Cre

?

^

wt

(

Lonij

Thin

)

Screw

Driver

K

.

30

G

Crescent

(

Standard

)

Screw

Driver

H

-

28

8

"

Gas

Pliers

*

6

?

f

Fliers

$

JXaWee

£

arc

Pliers

Straight

f

#

2

Waldea

Truarc

PHcrs

9

(

r

&

an

V

/

W

AUen

Jie

»

d

wrench

for

{

§

l

-

nw

?

&

*

Allen

Bead

Wrench

for

#

10

Serov

i

/

8

Alkiii

Head

Wrench

for

1

/

4

"

Screw

5

/

10

’

Straight

shank

Allen

Head

Wrench

for

8

/

0

»

ecrerw

,

with

adapter

for

1

/

2

"

drive

ratchet

8

OK

*

Bail

pooh

hammer

5

/

0

H

8

point

open

box

wrench

3

/

0

"

Spintite

*

lg

-

lc

Ratchet

Socket

Wrench

1

/

2

"

7

/

i

8

n

-

1

/

2

"

Drive

Socket

9

/

16

»

•

5

/

8

»

LUBRICATION

Drive

.

:

-

.

V

?

H

Drive

Socket

~

1

/

2

"

Drive

Socket

3

/

4

»

~

1

/

2

»

Drive

Socket

13

/

10

»

-

1

/

2

»

Drive

Socket

16

/

16

"

,

-

1

/

2

"

Driver

Socket

10

"

Extension

Bar

1

/

2

"

Drive

6

"

Extension

Bar

1

/

2

"

Drive

In

general

,

the

circuit

breaker

requires

moderate

lubrication

.

Bearing

points

and

latch

Surfaces

should

;

be

Lubricated

at

the

regular

in

-

spection

periods

with

a

thin

film

of

extreme

temperature

,

Mgh

^

preesure

.

light

grease

similar

to

*

E

,

Spec

*

NO

.

|

DB

0

J

9

L

15

,

Hardened

grease

and

dirt

should

be

remended

from

latch

and

bearing

surfaces

by

using

kerosene

,

ALL

EXCESS

LUBRICANT

SHOULD

BE

HEMOVED

WITH

A

CLEAN

CLOTH

IN

ORDER

TO

AVOID

ANY

ACCUMULATION

OF

DIRT

OR

DUST

*

O

8

"

.

Adjustable

End

Wrench

,

$

»

:

S

"

oSftJwSL

?

*

E

,

ul

Wra

,

ch

TROUBLE

SHOOTING

%

In

'

-

rr

*

i

•

.

TROUBLE

CAUSE

REMEDY

I

Overheating

Contacts

not

aligned

*

I

;

Adjust

contacts

-

j

i

Contacts

dirty

,

greasy

or

coated

with

dark

film

-

;

|

Clean

contact

#

,

;

is

Replace

contacts

.

Contacts

badly

burned

or

pitted

.

Current

carrying

surfaces

dirty

.

!

Clean

surfaces

of

current

carrying

porta

.

i

lighten

,

but

do

not

exceed

iclosUc

limit

of

bolts

or

fittings

,

•

Decrease

toad

,

rearrange

circuit

or

Install

larger

breaker

.

Provide

adequate

ventilation

.

Bolts

and

nubs

at

terminal

connections

not

tight

.

Current

in

Excess

of

breaker

rating

.

Excessive

ambient

temperature

.

Travel

of

tripping

device

docs

not

provide

positive

release

of

tripping

latch

,

Worn

or

damaged

trip

unit

parts

.

Binds

in

overload

device

.

’

fT

’

Pf

'

TTT

*

'

Rfc

-

adjuat

or

replace

trip

unit

.

Failure

to

Trip

»

Replace

trip

twit

Replace

overload

device

.

nrn

-

fwn

Change

adjustment

or

replace

with

higher

rated

device

.

Change

adjustment

or

replace

Mth

higher

rated

device

.

Overload

pick

-

up

too

low

.

Faleo

Tripping

Overload

time

-

setting

too

short

.

Replace

devi

.

ee

.

Re

-

aligu

and

adjust

attachments

*

Bind

in

Oyerload

device

.

Binding

in

attachments

preventing

resetting

of

latch

.

Chipped

or

worn

latch

*

Latch

out

of

Adjustment

.

Failure

to

Close

and

Latch

*

Replace

latch

.

Adjust

latch

.

r

+

v

*

"

*

“

1

T

-

'

vtr

I

7

:

i

Courtesy of NationalSwitchgear.com

\

rr

^

u

.

*

.

Uwfi

-

'

lO

07

i

Mr

Circuit

Breakers

Type

AK

-

l

-

16

ana

AK

-

l

-

SB

I

i

i

2

I

•

126

N

5

"

A

•

rt

,

*

.

6

~

7

—

9

-

icm

r

*

—

»

©

f

:

iTir

-

•

a

»

H

S

HrtlL

-

’

•

H

,

10

‘

T

“

v

o

o

I

(

I

I

I

L

'

rr

-

i

!

I

!

i

f

(

i

'

ft

4

i

v

~

^

^

l

I

i

§

!

TIWlWH

\

M

IE

1

WTW

$

13

/

J

•

\

t

21

.

Stud

22

.

ttovfehU

Ckmt

«

«

t

2

$

.

Fihmr

Str

*

^

SMI

.

Rear

Support

StftdL

H

«

m

«

125

$

.

P

&

1

*

Unit

16

.

ttairt

Sinait

17

.

Cap

IS

.

fttrAtlf

1

»

*

lMw

.

lmt

.

iR

*

Llhfe

20

,

Stationary

Owitaet

7

-

Operating

tyftCliiltilMt

B

«

Mtx

^

tiof

Itormr

IH

mx

9

.

Ftimt

Kscutdm

10

.

Ki

4

>

U

*

trip

Rut

ft

12

.

Stop

ttut

13

.

(

Eraiuurrant

Trip

Xjwlc

*

14

.

bow

*

Stud

15

.

Sari

»

«

Oil

1

*

Muffler

2

-

rnuidc

Barrier

3

.

Outaido

Harriot

4

.

Front

Op

5

.

CllRMp

6

.

Ptr

*

p

FI

®

,

$

Rifrtit

tIdo

Vim

/

of

Br

®

ak

«

r

:

;

.

s

!

:

I

i

r

Courtesy of NationalSwitchgear.com

-

J

«

u

i

rrvn

-

*

Air

Circuit

Breakers

Type

AK

-

X

-

XO

and

AK

-

1

-

25

TROUBLE

(

SHOOTING

GEH

-

1007

N

TROUBLE

CAUSE

REMEDY

Failure

to

Close

and

Latch

jissft

?

s

&

swsss

bearing

and

latoh

Mrium

,

Clpeini

?

:

nolenold

burned

out

,

Solenoid

control

device

not

fimcUontny

Replace

spring

.

Clean

bearing

and

latch

ffurfaccs

*

.

Replace

solenoid

coil

,

Ke

-

udjuat

or

replace

device

.

on

\

BASIC

©

REAKER

COMPONENTS

ARC

QUENCHER

J

contact

carrier

(

IB

)

with

a

spring

(

17

)

which

pro

-

vldes

continuous

contact

between

the

contact

arms

and

pin

(

IB

)

,

-

A

clamp

(

14

)

secures

pin

(

IB

)

to

the

contact

support

(

IB

)

,

A

flexible

connection

(

12

)

is

provided

to

prevent

pitting

at

thd

pivot

point

of

the

movable

contact

arms

when

carrying

high

moment

.

ibry

currents

.

T

-

The

movable

;

contact

assembly

is

connected

to

the

main

abaft

(

IB

)

,

Fig

,

3

,

by

an

insulating

link

(

7

)

for

operating

the

contact

*

when

the

breaker

closes

*

A

definite

amount

of

contact

pressure

(

see

"

Mea

©

~

wring

Contact

Pressure

"

)

must

be

exerted

by

the

movable

contacts

against

the

stationary

contact

©

.

A

definite

amotini

of

contact

wipe

,

or

the

distance

stationary

contacts

are

pushed

to

the

rear

by

the

movable

contacts

(

see

"

Measuring

Contact

wipe

"

)

,

must

recmlt

during

the

closing

operation

.

Both

contact

pressure

and

contact

wipe

should

be

checked

at

the

regular

inspection

period

*

-

Ja

arsfcf

?

,

ns

number

of

perforations

and

two

outside

barriers

(

]

}

)

without

perforation

.

?

,

a

«

well

aa

a

front

cap

(

4

)

and

a

rear

support

(

24

)

held

in

place

by

a

fiber

stop

(

23

)

*

A

damp

(

5

)

is

attached

to

the

breaker

bane

by

two

bolts

.

Clamp

(

Si

)

hold

*

all

the

arc

quencher

“

•

nsemblioe

to

their

respective

pole

units

.

A

muf

-

fler

(

1

)

ia

located

on

top

of

the

compound

barriers

.

The

compound

harriers

and

the

muffler

,

together

with

the

slots

between

the

barrier

*

!

,

serve

to

ex

-

tinguish

the

arc

,

,

v

'

Tbfe

arc

quenchers

should

be

inspected

at

the

regular

iftspootion

period

and

partii

replaced

,

if

badly

burned

or

corroded

*

’

•

PLACEMENT

,

FIG

*

3

;

that

the

%

L

Remove

clammy

(

6

)

by

removing

two

bolta

,

,

)

2

»

Unclasp

fiber

strap

(

23

)

,

'

3

,

Remove

front

Cap

(

4

)

,

muffler

(

1

)

,

outside

barriers

(

3

)

,

inside

barriers

(

2

)

and

rear

support

(

24

)

,

4

*

Install

new

or

disassembled

parts

hi

re

-

verse

order

*

MEASURING

CONTACT

PRESSURE

,

FIG

.

0

1

.

Romove

arc

quencher

.

(

gee

"

Replacements

"

under

Arc

Quencher

)

.

2

.

Place

a

push

-

typo

scale

against

the

upper

end

of

m

<

)

stationary

contact

tip

(

3

)

with

the

breaker

closed

.

3

.

Exert

pressure

against

the

push

-

typo

scale

until

the

contacts

Just

part

.

When

the

con

-

part

ithe

scale

should

register

between

0

pounds

,

4

.

Re

-

assemble

parts

In

reverse

order

.

NOTE

:

In

re

-

assembling

the

rear

support

(

24

)

to

the

breaker

,

be

sure

and

push

the

rear

support

toward

the

top

of

the

.

pole

unit

so

that

the

clearance

in

the

rear

support

will

accommodate

the

screw

-

head

of

the

back

plate

.

tacts

4

and

MEASURING

CONTACT

'

WIRE

,

FIG

.

6

POLE

UNIT

ASSEMBLY

The

contact

assembly

of

each

pole

unit

con

-

sists

of

a

stationary

and

a

movable

contact

sub

-

,

assembly

.

Refer

to

Fig

.

0

.

1

.

Remove

(

trie

quencher

(

see

’

’

Replacements

’

4

under

Arc

Quencher

)

.

,

it

,

,

,

2

.

Measure

ti

.

tie

dimension

between

the

inside

surface

of

the

pole

base

and

the

top

edge

of

stationary

contact

Up

(

3

)

,

(

a

)

with

the

breaker

open

,

(

b

)

with

the

breaker

closed

.

3

.

The

difference

,

between

ibese

Wo

Measure

-

ments

should

be

within

the

limits

of

3

/

32

and

1

/

4

"

.

'

If

not

within

this

range

,

the

con

-

tact

wipe

;

adust

be

adjusted

.

4

.

With

the

breaker

closed

,

the

.

stationarycon

-

tacts

should

have

a

minimum

of

1

/

16

overtravel

,

measured

at

the

contact

tips

,

before

reaching

the

limit

of

their

movement

in

the

direction

of

closing

.

t

>

,

Replace

arc

quencher

,

stationary

contact

assembly

consisin

of

araliel

contact

fingers

(

3

)

with

silver

alloy

tips

,

0

.

upper

stud

(

20

)

and

nine

(

4

)

with

comprenalon

springs

(

lfl

)

which

provide

continuous

contact

pres

-

sure

between

the

contact

finger

*

*

smd

the

upper

stud

(

20

)

.

A

shunt

(

21

)

IS

used

to

prevent

,

pitting

at

the

pivot

point

of

the

stationary

fingers

when

carrying

high

momentary

currents

,

,

The

station

-

ary

conWt

fingers

are

held

in

place

by

the

upper

>

A

cap

(

6

)

.

The

movable

contact

assembly

consist

®

of

parallel

contact

arms

(

S

)

with

sliver

alloy

tips

,

a

The

the

B

9

Courtesy of NationalSwitchgear.com

r

fvat

.

i

l

GEB

-

1007

Air

Circuit

Breakers

Typo

AK

-

1

-

3.5

and

AK

-

1

-

23

ADJUSTING

CONTACT

WIPE

AND

CONTACT

PRESSURE

,

FIG

.

G

G

.

Remove

Insulating

link

(

7

)

by

removing

tru

-

aro

and

drifting

out

pin

(

11

)

,

A

7

.

Rernpvo

clamps

(

14

)

by

removing

fastening

57

*

hardware

.

0

*

Remove

series

coil

terminal

bolts

.

Movable

contact

unit

Is

now

free

and

may

be

removed

.

9

,

Breako

*

may

now

be

reassembled

with

new

contact

assembly

by

reversing

the

above

described

procedure

*

In

remounting

mech

-

anism

,

;

be

sure

that

dowels

in

mechanism

side

frames

are

well

seated

in

dowel

holes

in

the

pole

unit

bane

,

(

See

Fig

.

a

,

)

It

will

also

be

]

necessary

to

compress

the

opening

spring

and

cap

in

the

recess

In

the

mech

-

anism

glide

frame

in

order

to

obtain

clear

*

*

anoe

for

replacement

of

the

main

shaft

,

10

,

Check

contact

wipe

and

pressure

and

adjust

if

necessary

.

1

.

Remove

arc

quenchers

(

nee

'

’

Replacements

"

under

Arc

Quencher

)

*

2

.

Remove

tru

-

arc

retaining

ring

from

main

shaft

(

1

(

5

)

,

Fig

,

3

,

nearest

the

Insulating

link

and

contact

assembly

to

be

adjusted

,

3

.

Loosen

clamp

(

9

)

which

secures

eccentric

bushing

{

&

)

.

4

.

Turn

the

eccentric

bushing

in

the

Insulating

Unk

(

7

)

tJireby

.

moving

the

insulating

.

link

closer

or

farther

away

from

the

stationary

contacts

,

a

«

required

to

obtain

proper

wipe

*

h

.

Reassemble

porta

in

the

reverse

order

after

making

adjustments

,

NOTE

:

To

adjust

the

insulating

link

in

the

center

pole

unit

,

first

,

push

the

main

shaft

through

the

right

Iiand

insulating

link

and

into

the

center

Unk

a

$

described

in

item

2

and

3

above

.

Opening

spring

and

cap

will

drop

out

.

Adjust

center

in

-

sulating

link

as

described

in

item

4

above

,

He

*

assemble

ports

in

reverse

order

being

careful

to

replace

opening

spring

and

cap

in

their

proper

position

.

;

MEGJWYISM

MOU

^

NO

If

any

of

the

contacts

are

badly

corroded

or

pitted

,

thereby

making

It

impossible

to

adjust

for

proper

-

contact

pressure

'

or

contact

wipe

,

such

stationary

contacts

or

movable

contact

assemblies

Should

be

replaced

*

See

"

Replacement

*

"

below

.

If

the

proper

contact

pressure

does

not

exist

^

ep

the

wipe

is

within

its

limits

,

the

stationary

ntact

springs

must

be

replaced

.

’

'

^

PLACEMENTS

movable

Contact

Assembly

,

Fig

.

0

c

,

INTERLOCK

LEVEC

^

V

'

v

,

^

a

»

"

,

:

ay

.

u

:

V

HANDLE

-

•

SOCKET

r

,

‘

Kii

ArQ

Quencher

*

md

-

Handle

Socket

ftoActfftd

from

Dr

«

M

>

u

-

t

Breaker

X

*

Remove

arc

quenchers

(

see

"

Replacement

"

under

"

Arc

Quencher

"

)

,

2

.

Remove

main

shaft

from

breaker

by

re

-

moving

tru

-

arc

retainer

from

owe

end

and

pushing

abaft

through

insulating

links

(

7

)

.

As

shaft

clears

the

mechanism

side

frame

®

,

5

,

„

,

(

17

)

and

(

IS

)

Out

of

their

re

-

•

a

*

FI

H

>

*

m

«

o

s

•

>

rr

!

?

#

*

&

opening

springs

and

caps

3

,

will

probably

drop

cesses

in

the

side

frames

*

If

breaker

is

of

the

drawout

typo

,

handle

socket

,

Interlock

lever

,

bushing

and

nut

must

be

removed

on

side

from

which

the

main

shaft

,

is

to

be

removed

*

(

See

Figs

,

4

and

B

.

)

3

.

Remove

upper

mechanism

mounting

screws

(

refer

to

Fig

.

4

)

.

4

.

-

Loosen

lower

mechanism

mounting

screws

by

using

screw

driver

in

slot

provided

on

threaded

end

of

screw

which

projects

through

back

frame

of

breaker

*

(

See

Fig

,

7

.

)

5

*

Mechanism

and

attached

components

may

now

be

lifted

clear

of

the

breaker

*

n

breaker

is

of

the

drawout

type

,

movement

;

of

the

mechanism

will

be

somewhat

,

re

-

stricted

by

control

wires

.

There

will

be

enough

freedom

,

however

,

to

allow

dm

mech

-

anism

to

be

lifted

to

the

top

of

the

drawout

frame

,

whore

it

can

bo

secured

by

tying

*

(

Sue

Fig

*

6

.

)

the

va

I

.

•

Vu

.

Fig

.

MAIN

SHAI

?

T

11

fefii

'

<

?

ft

"

'

.

-

/

1

1

*

i

*

Wi

l

!

r

>

1

*

1

w

feff

’

i

"

V

»

nr

-

si

/

'

U

*

1

iRETAININ

^

iWfe

^

W

^

^

.

'

FI

«

.

5

taovsl

of

N

*

ln

Shaft

Urn

Drawout

Break

str

10

;

\

Courtesy of NationalSwitchgear.com