Gte sylvania Sspb 800 User manual

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POWER

CIRCUIT

BREAKER

INSTRUCTIONS

5

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INSTALLATION

OPERATION

MAINTENANCE

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THE

BREAKER

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LETS

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CONTENTS

e

*

o

#

I

,

Delivery

of

Equipment

1

.

Receiving

2

.

Installation

of

separately

shipped

elements

3

.

Storage

4

.

Handling

1

II

.

Operation

1

.

Manual

breakers

2

.

Electric

Breakers

3

.

Safety

tripping

4

.

Antt

-

pumplng

and

control

characteristics

.

,

5

.

Auxiliary

circuits

(

Cradle

/

Element

)

6

.

Auxiliary

circuits

{

Devices

)

7

.

Arrangement

of

cubicle

door

8

.

Static

sensors

,

9

.

Setting

static

trip

sensors

10

.

Current

sensors

11

.

Padlocking

12

.

Key

Interlocks

13

.

Devices

2

•

V

2

3

4

5

III

.

Maintenance

1

.

Frequency

of

inspnotlon

2

.

Arc

chutes

3

.

Poles

4

.

Breaker

pole

assembly

.

5

.

Auxiliary

contacts

.

6

.

Devices

.

7

.

Lubrication

0

6

.

*

7

IV

.

Adjustments

and

Inspections

8

-

12

V

.

Replacement

Procedure

13

*

16

VI

.

Replacement

Parts

List

17

*

19

VII

.

Tables

and

Curves

20

*

23

Courtesy of NationalSwitchgear.com

Y

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u

INSTALLATION

-

OPERATING

-

MAINTENANCE

INSTRUCTIONS

SSPB

BREAKERS

800

-

1600

-

2000

AMP

FRAMES

i

The

complete

SSPB

line

encompasses

frame

sizes

from

800

to

4000

amperes

,

up

to

600

volts

A

.

C

.

Basic

sub

-

assemblies

Include

the

operating

mech

-

anism

,

contact

structures

,

arc

chutes

,

and

static

trip

device

.

The

operating

mechanism

offers

a

choice

of

either

manual

for

local

control

,

or

electrical

for

remote

operation

.

A

stored

energy

principle

of

operation

is

utilized

for

either

type

.

I

.

DELIVERY

OF

EQUIPMENT

•

'

i

-

i

1

.

Receiving

Each

shipping

section

of

switchgear

has

been

palletized

to

facilitate

moving

.

The

shipping

section

is

covered

with

a

transparent

plastic

cloth

to

inhibit

entrance

of

foreign

particles

and

permit

carrier

awareness

of

shipping

contents

.

Immediately

upon

receipt

of

equipment

,

examine

components

making

note

of

any

damages

incurred

in

transit

.

If

necessary

,

immediately

file

a

claim

with

the

delivering

carrier

and

notify

your

Sylvania

representative

.

CAUTION

:

The

drewout

breaker

elements

are

secured

to

their

cradles

installed

in

the

switchgear

assembly

.

In

order

to

withdraw

the

element

,

it

is

first

necessary

to

remove

the

two

bottom

shipping

bolts

holding

the

orange

shipping

plates

to

the

stationary

cradle

.

With

these

bolts

removed

,

the

breaker

may

be

cranked

(

counterclockwise

)

to

its

open

position

and

then

fully

withdrawn

.

In

the

withdrawn

position

,

the

remaining

four

shipping

bolts

and

orange

plates

should

be

removed

and

discarded

.

C

diate

use

must

be

stored

in

a

ventilated

room

anc

protected

from

dust

and

water

by

means

of

non

absorbent

covering

.

2

.

Installation

of

Separately

Shipped

Breakers

Insert

racking

handle

Into

cell

being

installed

with

breaker

and

turn

counterclockwise

until

cradle

is

in

withdrawn

position

.

White

lines

surrounding

collar

of

withdrawing

device

indicate

cradle

position

.

Three

white

lines

visible

ahead

of

cell

frame

or

front

of

closed

door

indicates

cradle

is

in

isolated

position

.

In

this

position

,

the

two

tele

-

scopic

rails

should

be

fully

withdrawn

to

accept

the

breaker

element

.

Remove

breaker

element

from

shipping

carton

in

the

manner

outlined

under

"

Handling

"

.

After

a

visual

inspection

for

damage

,

mount

element

on

rails

locating

holes

in

the

breaker

support

over

the

four

mounting

metric

bolts

(

8

mm

-

0.7

mm

thread

)

.

Secure

element

to

rails

with

lock

washers

and

8

mm

metric

nuts

using

a

13

mm

metric

wrench

or

Vi

inch

open

end

wrench

.

3

.

Storage

4

.

Handling

Although

the

SSPB

circuit

breakers

Include

hlgl

precision

components

,

they

will

only

remaii

reliable

if

handled

with

care

.

Never

rest

the

element

on

the

contact

jaws

.

Th

breaker

element

must

always

ba

laid

on

a

claar

flat

surface

either

upright

or

on

its

side

.

Th

breaker

can

be

easily

and

safely

transported

on

lift

truck

.

For

transporting

in

this

manner

,

a

palls

must

be

used

.

{

•

*

Toward

the

top

of

the

side

plates

of

the

break

*

element

,

lugs

{

two

on

each

side

)

are

provided

ft

lifting

.

Never

lift

element

by

its

contact

jaws

<

its

static

trip

sensor

box

.

1

C

r

immo

_

Courtesy of NationalSwitchgear.com

C

>

(

X

o

»

-

_

>

until

there

is

no

apparent

spring

resistance

*

to

-

the

operator

.

To

fully

charge

the

springs

manually

requires

approximately

15

reversals

or

oscillations

of

the

handle

.

The

control

panel

or

front

escutheon

differs

from

the

manually

operated

breaker

in

that

two

push

!

.

OPERATION

1

.

Manually

Operated

Breakers

With

the

manually

operated

SSPB

breaker

,

a

simple

rotary

motion

of

the

operating

handle

in

the

counterclockwise

direction

for

approximately

90

degrees

charges

the

springs

for

a

close

-

open

opera

-

tion

.

Rotation

clockwise

back

to

its

normal

vertical

position

initiates

the

spring

release

for

closing

.

The

closing

speed

is

completely

independent

of

the

operator

.

A

position

indicator

located

on

the

front

escutcheon

indicates

the

position

of

the

main

contacts

:

red

for

"

on

"

or

"

closed

"

,

green

for

"

off

"

or

"

open

.

The

breaker

may

be

tripped

manually

by

depress

*

ing

the

manual

trip

button

.

Through

linkages

,

this

action

causes

the

mechanism

trip

latch

to

be

dis

-

placed

collapsing

the

operating

springs

and

thereby

opening

the

breaker

contacts

.

If

breaker

is

equipped

with

a

lock

-

out

device

or

undervoltage

release

,

refer

to

paragraph

4

operating

instructions

.

(

buttons

are

furnished

,

one

for

initiating

closing

of

main

contacts

(

red

)

and

one

for

opening

(

green

)

.

In

addition

,

a

spring

indicator

is

Included

(

yellow

)

for

charged

,

and

(

black

)

for

discharged

condition

.

2

.

Electrically

Operated

Breakers

For

electrical

operation

,

a

fractional

horsepower

,

high

torque

gearmotor

provides

energy

for

charging

the

springs

.

Charging

requires

approximately

5

seconds

.

Recharging

takes

place

automatically

after

the

breaker

is

closed

.

A

limit

switch

removes

the

gearmotor

supply

voltage

at

the

end

of

travel

.

The

supply

voltage

at

the

motor

terminals

may

be

between

90

to

110

%

of

the

rated

voltage

.

After

the

springs

are

charged

,

the

closing

springs

are

held

by

an

electromagnetically

operated

latch

.

When

the

breaker

is

closed

by

depressing

the

manual

close

button

located

on

the

front

escutch

-

eon

the

closing

latch

Is

displaced

,

thereby

col

-

lapsing

the

springs

and

closing

the

main

contacts

.

This

action

is

initiated

with

remote

closing

by

energising

the

electromagnet

.

The

breaker

may

be

manually

tripped

locally

or

electrically

tripped

from

remote

locations

.

In

the

event

of

power

loss

,

it

is

possible

tn

manual

-

ly

charge

the

springs

of

an

electrically

operated

breaker

for

close

-

open

operation

.

The

emergency

operating

handle

is

identical

in

appearance

to

the

handle

used

on

manually

operated

breakers

.

The

method

of

spring

charging

differs

from

the

menual

-

hn

»

th

*

i

handle

Is

rotated

3

.

Safety

Tripping

If

the

breaker

is

inserted

or

withdrawn

with

its

main

contacts

in

the

closed

position

,

a

mechanical

linkage

automatically

trips

the

breaker

before

separation

of

the

main

contacts

during

withdrawal

or

before

closing

of

the

main

contacts

during

insertion

.

The

same

device

prevents

the

closing

of

the

breaker

between

positions

'

test

'

and

'

service

’

.

4

.

Anti

-

Pumping

and

Control

Characteristics

Anti

-

pumping

its

assured

in

both

the

local

and

remote

control

operations

.

If

the

local

close

button

is

held

depressed

or

a

remote

closing

signal

main

-

tained

,

it

will

be

necessary

to

interrupt

this

action

,

after

tripping

breaker

,

to

effect

a

subsequent

closing

.

If

tripping

is

a

result

of

overload

or

short

circuit

current

and

the

breaker

Is

equipped

with

a

local

reset

lockout

device

,

it

is

necessary

to

completely

depress

the

trip

button

in

order

to

effect

a

sub

-

sequent

closing

.

By

padlocking

the

local

trip

buttoh

in

a

depressec

position

,

it

is

impossible

to

close

the

breakei

»

h

*

istefi

holding

th

<

•

I

-

*

t

_

-

A

-

.

!

•

M

Courtesy of NationalSwitchgear.com

i

u

•

O

I

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>

.

L

.

I

i

required

to

operate

electrically

operated

breaker

*

.

Two

of

these

terminals

are

made

continuous

through

the

test

-

service

position

In

order

to

pro

'

vide

power

for

the

spring

charging

motor

.

Tht

remaining

four

are

for

closing

and

tripping

.

charged

closing

springs

cannot

be

released

.

Maintaining

a

remote

tripping

signal

nullifies

any

remote

or

local

closing

action

.

It

is

possible

to

depress

the

local

close

button

causing

the

dosing

spring

to

release

;

however

,

the

main

contacts

will

not

close

until

the

remote

tripping

signal

Is

re

-

moved

.

Should

it

be

desired

to

prevent

accidental

closing

when

the

local

trip

button

is

released

,

an

undervoltage

release

device

with

lockout

must

be

used

for

remote

tripping

.

Where

electrically

operated

breakers

equipped

with

an

undervoltage

release

are

closed

by

a

constant

signal

,

there

are

two

possible

methods

of

operating

,

depending

upon

whether

the

closing

electro

-

magnet

and

undervoltage

release

are

energized

by

the

same

source

or

separate

sources

.

w

In

some

applications

,

it

may

be

necessary

tc

electrically

connect

the

breaker

in

the

cradle

.

service

position

differently

from

that

in

the

tes

'

position

.

This

can

be

accomplished

by

removing

the

test

or

service

terminal

.

After

the

fixed

second

ary

isolating

contact

block

has

been

removed

,

i

‘

is

only

necessary

to

remove

the

terminal

by

un

screwing

the

fixing

screw

and

breaking

the

bridge

between

the

test

and

service

contacts

at

the

necl

'

provided

for

this

purpose

.

To

protect

the

auxiliary

wires

from

physically

coming

in

contact

with

moving

parts

when

the

breaker

is

being

Inserted

or

withdrawn

,

an

enclosec

passage

,

located

8

t

the

point

of

exit

from

th

<

stationary

isolating

terminal

block

,

is

provided

.

Common

Source

:

Voltage

drops

-

breaker

trips

Voltage

restores

-

breaker

automatically

closes

Separate

Source

;

Voltage

drops

-

breaker

trips

Voltage

restores

*

breaker

re

-

mains

open

6

.

Auxiliary

Circuits

(

Devices

)

Auxiliary

contacts

may

be

added

as

an

accessory

either

on

electrically

or

manually

operate

<

breakers

.

A

built

-

in

time

differential

of

15

milli

seconds

is

available

between

contact

group

posi

tions

1

-

8

and

9

-

16

for

sequence

logic

.

Contac

positions

9

-

16

act

simultaneously

with

mail

contacts

.

/

The

closing

signal

must

be

momentarily

removed

in

order

to

reclose

the

breaker

.

If

a

closing

signal

is

maintained

even

when

the

closing

spring

is

dis

-

charged

,

the

breaker

will

automatically

close

at

the

completion

of

spring

charging

.

This

would

occur

where

voltage

is

applied

simultaneously

to

the

charging

motor

and

closing

electromagnet

.

The

latch

keeping

the

closing

spring

charged

cannot

be

released

if

the

breaker

is

in

the

closed

position

.

7

.

Arrangement

of

Cubicle

Door

The

cubicle

door

for

drawout

air

circuit

breake

elements

is

provided

with

an

opening

permittini

entry

of

the

control

board

or

front

escutcheoi

plate

.

A

.

retracting

collar

surrounding

the

escutch

eon

plate

permits

the

operator

to

rack

the

breake

element

from

the

service

position

to

the

test

o

fully

open

position

without

opening

the

cubic

!

door

.

It

is

,

therefore

,

possible

to

store

breaker

without

fear

of

unauthorized

personnel

havin

access

to

them

.

5

.

Auxiliary

Circuits

(

Cradle

/

Element

)

The

SSPB

breaker

can

be

equipped

with

a

maxi

-

mum

of

24

secondary

isolating

contacts

.

Each

con

-

tact

is

designed

to

accept

two

V

*

"

quick

disconnect

lugs

per

terminal

.

The

secondary

Isolating

blocks

may

contain

up

to

twenty

-

four

(

24

)

terminals

,

twelve

(

12

)

on

each

side

,

which

may

be

used

for

breaker

operation

and

alarm

circuits

.

Internal

wiring

of

breakers

is

num

-

bered

in

conformity

with

standard

wiring

diagrams

.

The

terminals

of

the

secondary

or

stationary

iso

-

lating

contacts

on

the

cradle

are

arranged

and

con

-

nected

In

a

manner

to

permit

interchangeability

of

similar

elements

.

8

.

Static

Seniors

Static

sensors

consists

of

separate

printed

circuit

for

long

time

,

short

time

,

instantaneous

,

am

ground

fault

tripping

.

Components

are

pre

-

age

»

and

factory

calibrated

to

Insure

utmost

trlppin

accuracy

.

No

field

calibration

is

.

required

.

Sine

cards

have

been

designed

for

plug

-

ln

field

installs

tlon

,

it

is

possible

to

change

systems

by

simpl

'

Siv

tArminafc

nf

the

sprnnHarv

iftol

&

ttno

block

are

Courtesy of NationalSwitchgear.com

•

_

H

ordering

cards

from

your

nearest

Sylvania

office

,

When

ordering

ground

fault

,

it

is

necessary

to

indicate

whether

the

system

is

three

or

four

wire

.

On

a

four

wire

system

,

a

neutral

CT

will

be

furnished

with

the

logic

card

.

This

CT

must

be

installed

in

the

neutral

bus

and

wired

to

the

10

.

Current

Sensors

Multi

-

ratio

window

type

current

transforms

mounted

at

the

rear

of

the

circuit

breaker

elemsi

provide

signal

source

for

the

static

trip

sensor

Since

these

sensors

for

initiating

breaker

trip

derh

all

necessary

energy

from

the

current

monitored

,

r

external

energy

source

is

required

.

(

Any

oth

<

accessory

for

breaker

tripping

must

be

provide

with

a

separate

power

source

.

)

To

change

tripping

range

of

breaker

,

transpose

o

«

wire

on

each

of

three

current

transformers

.

Terrr

nels

are

marked

to

indicate

primary

current

settin

When

making

this

change

on

a

four

wire

syste

with

ground

fault

indication

,

it

is

necessary

\

change

the

current

transformer

located

in

tf

neutral

bus

(

rear

of

switchboard

)

accordingly

.

breaker

in

accordance

with

included

instructions

.

The

ground

fault

logic

card

includes

a

retractable

target

that

indicates

tripping

under

ground

fault

conditions

.

11

.

Padlocking

Ail

SSPB

breakers

are

provided

with

means

fc

using

a

maximum

of

three

padlocks

(

1

/

4

"

to

3

/

8

shackels

)

to

lock

the

breaker

in

the

opened

c

tripped

position

.

To

apply

padlocks

,

it

is

necessar

to

place

the

breaker

in

the

tripped

position

b

depressing

the

local

trip

buton

.

While

holding

th

trip

button

depressed

,

withdraw

horizontal

ba

located

adjacent

to

trip

button

and

apply

padlock

!

With

this

bar

withdrawn

,

the

trip

button

is

held

ii

the

depressed

position

,

thereby

preventing

closing

.

9

.

Setting

of

Static

Trip

Sensors

In

order

to

prevent

damage

to

static

sensor

pins

,

the

following

procedure

should

be

followed

when

selecting

or

changing

sensor

settings

.

1

.

Loosen

two

bottom

screws

holding

trans

-

parent

plastic

shield

.

2

.

Raise

shield

to

clear

bolt

heads

and

lift

out

.

3

.

Select

values

of

sensors

desired

,

4

.

Place

thumb

and

forefinger

on

shorting

bar

end

pull

bar

forward

until

shorting

pins

are

cleared

,

5

.

Raise

or

lower

shorting

bar

to

pre

-

selected

sensor

value

,

12

.

Key

Interlocks

I

i

If

the

cradle

is

provided

with

a

key

interlock

,

thi

following

procedure

should

be

followed

for

lockini

the

breaker

out

:

Withdrew

breaker

element

to

fully

disconnec

position

by

turning

crank

counterclockwise

t

<

stop

.

(

This

operation

may

be

performed

witl

cell

door

ooened

or

closed

.

)

Turn

kev

ii

6

.

Return

shorting

bar

to

pins

until

fully

reseated

,

7

.

Replace

protective

shield

and

tighten

Courtesy of NationalSwitchgear.com

i

u

C

-

I

1

c

II

when

energized

by

a

voltage

source

of

65

%

tc

130

%

of

rated

voltage

.

An

auxiliary

contact

ir

series

with

the

coil

opens

and

removes

supply

voltage

when

breaker

is

open

.

*

'

cylinder

to

remove

.

If

key

will

not

rotate

in

cylinder

,

turn

cradle

crank

approximately

15

degrees

to

permit

alignment

.

When

stops

are

aligned

,

key

will

rotate

for

removal

.

With

this

interlocking

system

,

it

is

possible

to

re

-

move

the

element

from

the

cradle

for

either

maintenance

or

replacement

without

permitting

element

insertion

until

the

key

has

been

returned

to

the

key

cylinder

block

.

*

Undervoltage

Trip

(

U

.

V

.

)

When

the

voltage

sour

drops

below

30

%

of

rated

voltage

,

the

breaker

tripped

.

In

the

region

of

30

%

to

60

%

of

rah

voltage

,

tripping

may

or

may

not

occur

.

No

tri

ping

action

will

occur

when

the

supply

voltage

Shunt

Trip

(

S

.

T

.

)

This

device

will

trip

the

breaker

60

%

to

100

%

of

rated

voltage

.

13

.

Optional

Devices

Stationary

‘

Contacts

A

Arc

Chuta

*

»

7

.

Lifting

Lug

*

Control

Board

*

1

totld

State

Control

Trip

.

Button

Mowing

Secondary

»

IvOUting

Contacts

Manual

Hindu

*

Pofltlpn

*

indicator

Auxiliary

>

Contact

Block

*

i

Salary

fihuttar

{

optional

)

Fined

Bocondary

UoUtlng

1

Contact

!

f

<

i

\

Courtesy of NationalSwitchgear.com

I

“

sw

*

IH

.

MAINTENANCE

the

arc

.

This

operation

enables

doubling

the

of

the

arc

chutes

,

After

two

cycles

,

it

is

necess

to

replace

the

arc

chutes

.

1

.

Frequency

The

frequency

of

maintenance

depends

essentially

on

the

conditions

of

service

of

the

breaker

,

fre

-

quency

of

operation

,

fault

tripping

,

relative

humid

*

ity

,

or

presence

of

dust

.

The

mechanical

endurance

of

the

breaker

is

20

,

000

operations

with

the

main

contacts

being

guaranteed

for

the

life

of

the

breaker

.

Arc

chutes

and

the

arcing

contacts

are

guaranteed

a

minimum

of

1500

•

make

-

break

operations

at

the

nominal

current

and

voltage

(

0.2

to

unity

power

factor

)

,

10

make

-

.

break

operations

at

10

times

rated

current

,

or

3

make

-

break

operations

at

rated

short

circuit

.

To

insure

performance

,

it

Is

recommended

that

breakers

be

inspected

every

six

months

if

exposed

to

dust

,

every

3000

operations

or

every

six

months

if

left

idle

.

In

general

,

breakers

should

be

inspected

at

least

once

a

year

.

3

.

Poles

(

Fig

.

6

)

Insulating

barriers

are

located

on

each

side

of

arcing

area

for

each

pole

.

With

a

piece

of

clean

,

cloth

,

wipe

barriers

to

remove

any

deposits

.

o

2

.

Arc

chutes

(

Fig

.

5

)

Remove

arc

chute

by

depressing

or

raising

back

part

of

retaining

lever

61

and

rotating

clockwise

90

degrees

.

Lift

arc

chute

upwards

clearing

arcing

horns

.

Close

breaker

and

check

gap

setting

of

arci

horns

.

If

gap

exceeds

1.5

mm

(

0.059

inches

)

,

adji

contacts

by

loosening

bolt

#

VI

(

Fig

.

6

)

setting

g

to

0.9

mm

t

0.1

mm

(

0.035

t

0

,

004

inches

)

ai

tightening

bolt

by

torquing

to

0.8

mm

-

kg

.

(

5.8

l

ft

.

)

.

Remove

both

fixed

and

movable

arci

horns

along

with

insulating

barriers

when

thicknt

of

arcing

pads

erodes

to

approximately

0.5

m

(

0.020

inches

)

.

Main

contacts

may

have

spots

on

them

witho

affecting

the

breaker

.

These

contacts

can

l

cleaned

with

a

very

fine

emory

cloth

and

thoroug

ly

wiped

to

remove

any

particles

.

Do

not

replai

main

contacts

as

they

are

guaranteed

for

the

life

<

the

breaker

.

©

/

!

BBB

&

With

drawout

breakers

,

clean

the

main

isolatir

contacts

of

the

breaker

and

the

corresponds

cradle

contacts

with

a

piece

of

clean

cloth

soake

in

trichlorethylene

.

Apply

a

light

coat

of

Sylvani

SSPB

-

01

grease

to

the

cleaned

surfaces

.

Fig

.

s

Wipe

the

insulating

surfaces

clean

with

a

dry

piece

of

doth

,

The

two

insulating

barriers

covering

the

inside

of

the

arc

chute

walls

may

be

blackened

.

In

that

case

,

they

can

be

wiped

clean

of

carbon

deposits

to

restore

them

to

their

original

quality

.

At

the

end

of

3000

make

-

break

operations

at

rated

current

,

or

10

times

at

rated

current

,

or

3

times

at

rated

short

circuit

,

it

is

recommended

that

the

4

.

Breaker

Element

Pole

Assembly

(

Fig

.

7

}

The

pole

assemblies

are

maintained

under

0

.

m

-

Kg

.

(

2.9

lb

.

-

ft

.

)

pressure

by

each

of

six

bolt

(

three

per

side

)

located

on

the

outside

surface

o

the

breaker

element

.

They

may

be

identified

a

i

-

_

a

.

»

Courtesy of NationalSwitchgear.com

B

i

A

:

0

*

t

A

•

*

Y

"

n

U

!

I

4

f

i

;

g

±

a

0

—

3

I

0

I

..

J

3

c

<

l l

L

J

Si

-

fts

.

a

£

tfi

>

.

vAfiNl

6

M

.

7

.

Lubrication

FI

®

.

7

A

breaker

normally

lubricated

and

operating

in

dust

-

free

and

non

-

corrosive

atmosphere

regular

over

a

period

of

two

years

can

undergo

its

norm

cycle

mechanical

endurance

without

any

lub

eating

.

As

such

ideal

service

conditions

are

hard

encountered

,

it

is

advisable

to

check

periodical

5

,

Auxiliary

Contacts

(

Fig

,

8

)

The

auxiliary

contacts

located

on

the

front

right

hand

side

of

the

element

should

not

be

cleaned

or

adjusted

.

A

faulty

relay

should

be

replaced

by

the

lubricating

,

particularly

when

unusual

ceosii

placing

the

breaker

contacts

in

the

closed

position

and

removing

hold

-

down

screws

V

3

.

Auxiliary

con

-

tacts

are

only

found

on

electrically

operated

breakers

as

a

standard

item

since

one

of

the

or

friction

is

observed

during

Inspection

.

All

rubbing

surfaces

(

metal

to

metal

)

are

to

I

lubricated

with

a

thin

film

of

high

-

tempcratui

high

-

pressure

lubricant

equal

to

Sylvania

SSPB

-

0

Hardened

grease

and

dirt

should

be

removed

I

use

of

trichlorethylene

solvent

.

The

main

sha

trip

rod

,

intermediate

manual

control

shaft

,

fre

return

charging

spring

and

gear

train

for

electric

operation

do

not

require

lubrication

since

they

a

contacts

are

required

for

isolating

the

shunt

trip

coil

when

the

breaker

is

open

,

(

m

6

,

Devices

Under

voltage

,

shunt

trip

,

and

solid

-

state

trip

devices

do

not

require

maintenance

.

In

case

of

provided

with

sealed

bearings

.

Do

not

lubricate

ar

releases

or

grounding

terminal

.

failure

,

replace

the

complete

device

.

'

v

Courtesy of NationalSwitchgear.com

'

O

{

1

U

-

^

t

!

,

4.4

*

j

(

'

•

ri

•

i

L

-

L

.

«

_

/

B

.

CIRCUIT

BREAKER

1

.

Breaker

A

ssembly

(

Fig

.

10

)

a

.

Tightening

of

pole

assembly

Tighten

six

screws

(

1

)

painted

torquing

to

0.4

m

-

kg

{

2.9

AsBti

IV

.

ADJUSTMENTS

AND

INSPECTIONS

The

following

adjustments

and

inspections

were

performed

at

the

factory

following

installation

of

various

accessories

.

These

procedures

may

be

followed

for

field

adjustment

and

inspections

,

realizing

that

tolerances

are

based

upon

the

life

of

normal

mechanical

endurance

for

breakers

.

For

normal

service

,

the

limits

of

admissible

wear

has

been

included

.

When

these

limits

are

reached

,

it

is

necessary

to

either

readjust

the

components

to

the

dimensions

shown

,

or

to

replace

com

-

ponents

if

these

dimensions

cannot

be

met

.

A

.

CRADLE

ACCESSORY

1

.

Limit

switch

for

position

indication

(

1600

A

and

2000

A

frames

only

)

a

.

Service

position

(

Fig

.

9

)

.

Adjust

screw

(

10

)

to

insure

operation

of

the

limit

switch

3

mm

±

0.5

(

0.118

t

0.020

inches

)

before

the

service

position

stop

.

(

Eliminate

play

by

pulling

on

telescopic

rails

while

making

adjustments

.

B

A

r

i

=

i

3

c

J

Fla

.

to

«

£

p

VVlNJiB

-

2

.

Pole

(

Fig

.

11

)

a

.

Adjustment

of

arcing

contacts

With

breaker

In

closed

position

,

bolt

(

3

)

and

gap

arcing

contacts

<

3

A

O

w

0

a

o

O

o

#

•

o

1

o

a

-

*

l

o

©

II

0

Flo

.

11

Fig

.

9

b

.

Test

position

Adjust

the

support

(

11

)

and

the

two

screws

(

12

)

to

insure

the

operation

of

the

limit

switch

3

mm

(

0.118

Inches

)

before

the

test

position

in

the

direction

of

withdrawal

.

(

Eliminate

play

by

pushing

on

rail

while

making

adjust

-

ment

)

.

c

.

Isolated

position

Adjust

the

support

(

11

)

and

the

two

screws

(

12

)

to

insure

operation

of

the

limit

switch

2

mm

(

0.079

inches

)

before

the

stop

of

the

isolated

position

.

(

Eliminate

play

by

pushing

on

rail

when

making

adjustments

)

.

±

0.1

mm

(

0.035

t

0.004

ir

Tighten

bolts

torquing

to

0.9

(

5.8

lb

.

-

ft

.

)

.

NOTE

:

All

arcing

contacts

of

th

<

pole

must

be

within

0.1

mm

inches

)

of

each

other

.

LIMIT

OF

WEAR

:

1.5

mm

inch

)

.

b

.

Torquing

requiraments

1

)

Flexible

braid

(

7

)

800

amp

—

0

.

B

m

-

kg

(

5.8

lbs

.

-

ft

.

)

1600

-

2000

emp

-

1.3

m

-

kg

(

9.4

lbs

.

-

ft

.

)

Courtesy of NationalSwitchgear.com

or

trips

.

Therefore

,

using

ho

restore

release

crank

to

its

reset

latched

position

.

3

.

Overload

and

short

circuit

release

a

,

Tripping

(

Fig

.

12

)

1

)

Adjustment

.

With

breaker

in

closed

position

and

release

reset

,

back

off

red

nut

until

nearly

all

threads

arc

exposed

.

Tighten

same

nut

until

distance

between

tripping

striker

(

11

)

di

'

il

luy

(

12

)

of

llte

ldU

.

li

(

13

)

shown

in

the

normal

position

is

1

t

0.5

mm

(

0.039

*

0.020

inches

)

.

b

,

Resetting

1

)

Breaker

equipped

with

signal

dication

with

memory

for

overlt

end

at

IUII

uiicuit

release

(

with

without

Indication

.

)

(

Fig

.

14

)

.

a

)

Adjustment

.

When

breakers

equipped

with

this

accessory

is

necessary

to

place

breakei

open

position

and

adjust

sci

(

16

)

to

effect

latching

the

lease

.

A

very

distinct

cl

Indicates

latching

.

To

insur

margin

of

safety

,

unscrew

^

eturn

.

b

)

Place

breaker

in

open

posit

and

check

to

see

that

1.5

r

(

0.059

inch

)

clearance

is

av

able

.

LIMIT

OF

WEAR

:

Nonlal

HEP

VARNISH

1

*

CIS

o

O

ID

IS

U

Fig

.

12

2

)

Inspection

.

Place

breaker

in

closed

position

and

check

to

see

that

there

is

a

minimum

clearance

of

0.5

mm

(

0.020

inches

)

between

the

tripping

striker

(

11

)

and

lug

(

12

)

of

the

.

latch

(

13

)

shown

in

the

normal

position

.

LIMIT

OF

WEAR

:

0.1

mm

(

0.004

inches

)

.

To

test

tripping

of

breaker

by

the

release

crank

,

place

a

wire

hook

as

shown

in

Fig

.

13

and

hold

while

applying

a

momentary

signal

of

12

-

18

volts

D

-

C

.

to

the

tripping

actuator

EX

.

When

release

un

-

latches

,

slowly

allow

release

crank

to

withdraw

until

breaker

trips

open

.

ing

.

EXTREME

POSITION

L

ATf

-

HEO

QP

ftEStT

*

IT

O

,

o

,

i

5

-

i

«

HFfl

VAOM

-

SH

Fig

.

14

1

«

2

)

Breaker

equipped

with

signs

dication

on

overload

and

shor

cult

tripping

with

local

rest

(

Fig

'

s

16

end

16

)

.

a

)

Adjustment

.

Insert

wire

ho

<

shown

In

Fig

.

13

and

hoi

lease

crank

(

14

)

while

app

momentary

signal

of

9

-

18

DC

to

the

tripping

actuator

When

release

unlatches

,

sli

allow

release

crank

to

with

*

to

tripped

position

show

&

r

HpQK

13

NOTE

:

Restraining

release

crank

(

14

)

while

performing

this

test

results

in

the

blocking

of

resetting

m

4

P

lltUL

.

aL

.

1

«

Courtesy of NationalSwitchgear.com

tripped

position

and

the

crank

(

TO

)

resting

against

stop

(

20

)

,

adjust

link

(

21

)

to

allow

1

*

0.5

mm

(

0.039

t

0.020

inch

)

clearance

.

Press

the

local

trip

-

ping

pushbutton

(

23

)

while

adjusting

screw

(

24

)

to

effect

resetting

of

the

release

.

A

distinct

click

will

be

heard

when

the

release

crank

latches

.

Unscrew

one

turn

to

insure

a

morgin

cf

frafoty

in

ro

«

#

tting

.

K

>

SUiDMlAJ

FI

*

.

»

8

2

)

Inspection

.

Place

breaker

In

the

closed

position

and

inspect

to

see

that

a

minimum

of

0.5

mm

(

0.020

inch

)

exists

between

lever

(

28

and

lug

(

12

)

of

the

lever

(

13

)

shown

in

the

normal

position

.

LIMIT

OF

WEAR

:

0.1

mm

(

0.004

inch

)

.

Holding

the

striking

(

29

)

as

illustrated

in

Fig

.

23

,

apply

rated

voltage

to

the

holding

coil

,

ptacing

'

release

bar

in

unlatched

position

.

Remove

voltage

and

allow

release

.

bar

to

slowly

withdraw

observing

b

)

Inspection

.

With

the

breaker

in

the

open

position

,

press

the

trip

button

(

23

)

Fig

.

16

and

check

travel

of

release

bar

.

Distance

between

maximum

position

of

reset

and

latch

should

be

0.5

mm

(

0.020

inch

)

.

Check

play

between

lever

(

24

)

and

adjustment

screw

(

24

)

for

a

minimum

of

0.2

mm

(

0.008

inch

)

.

Press

the

push

-

button

fully

to

check

for

a

minimum

clearance

of

0.2

mm

(

0.008

inch

)

between

lug

(

12

)

of

the

latch

(

13

)

and

the

bottom

of

the

slot

.

4

.

Voltage

Tripping

Devices

(

Accessory

)

A

.

Tripping

(

Fig

.

17

and

18

)

1

)

Adjustment

.

Place

breaker

in

open

position

and

unscrew

adjusting

reset

screw

(

30

)

.

With

release

bar

in

latched

on

position

resulting

from

breaker

being

in

open

position

,

adjust

linkage

(

26

)

to

provide

1

t

0

,

5

mm

(

0

,

039

*

0.020

Inch

)

between

lever

(

28

)

and

lug

(

12

)

of

HOQ

5

Courtesy of NationalSwitchgear.com

With

contact

blocks

removed

,

adjust

no

(

32

)

until

distance

shown

in

Fig

.

19

i

44.5

±

0.5

mm

(

1.753

i

0.020

inch

)

.

LIMIT

OF

WEAR

:

Overall

travel

of

auxil

iary

contact

should

not

exceed

0.1

mn

(

0.004

inch

)

.

6

.

Limit

switch

on

Trip

Rod

(

Accessoryj

Limit

switch

for

signal

indication

of

trip

ing

on

overload

and

short

circuit

.

A

.

Adjustment

(

Fig

.

20

)

.

Place

breaker

it

closed

position

with

overcurrent

an

short

circuit

release

bar

latched

.

Dr

form

strip

(

36

to

obtain

clearanc

between

strip

(

36

)

and

spring

(

37

]

breaker

tripping

.

NOTE

:

In

order

to

prevent

block

-

ing

of

the

release

bar

from

being

reset

when

breaker

opens

,

it

is

necessary

to

return

release

bar

to

its

(

atched

position

by

means

of

the

hook

illustrated

in

Fig

.

23

.

B

.

Resetting

1

)

Adjustment

.

With

the

breaker

in

the

open

position

and

the

release

bar

latched

as

illustrated

in

Fig

.

14

,

adjust

screw

(

30

)

lengthening

link

-

age

until

stirrup

is

against

stop

(

29

)

,

then

back

off

Vi

turn

.

2

)

Inspection

.

Place

breaker

In

latched

position

as

illustrated

In

Fig

.

18

.

Check

for

minimum

clearance

of

2

mm

(

0.079

inch

)

.

LIMIT

OF

WEAR

:

Non

-

Latching

Flfl

,

20

B

.

Inspection

.

Check

operation

of

micro

switch

by

tripping

breaker

.

7

.

Limit

switch

on

voltage

release

<

Accessory

)

The

undervoltage

release

device

can

b

<

equipped

with

two

separate

limit

switches

One

will

indicate

when

the

undcrvoltag

release

bar

is

latched

and

the

other

wil

indicate

undervoltage

coil

being

energized

.

A

.

Limit

switch

for

Latch

Indication

.

Plac

bar

in

latched

position

as

shown

ii

Fig

.

17

and

18

.

In

this

position

,

th

limit

switch

contacts

will

be

closac

Deform

strip

(

38

)

Fig

.

21

to

provide

.

maximum

gap

setting

of

1

mm

(

0.03

!

inch

)

between

strip

(

38

)

and

lug

(

39

)

NOTE

:

This

adjustment

must

be

pei

formed

without

applying

voltage

to

th

undervoltage

holding

coil

.

Followin

adjustment

,

operate

voltage

reieas

device

permitting

release

bar

to

ur

latch

.

Inspect

limit

switch

to

see

tha

contacts

open

.

5

.

Auxiliary

Contact

Block

Support

Adjust

•

mant

(

Fig

.

19

)

.

4

«

,

i

?

'

1

^

Efif

*

4

|

37

I

91

Pi

*

21

hr

rs

-

T

ri

99

Courtesy of NationalSwitchgear.com

8

.

Limitswitch

for

Vollay

*

limitation

.

This

limitswitch

has

no

adjustments

.

Check

position

of

contacts

by

applying

and

removing

voltage

to

holding

coil

of

solenoid

.

8

.

dosing

Adjustment

Electrically

Operated

Breakers

A

.

Adjustment

(

Fig

,

22

)

.

Placo

breaker

in

tripped

position

with

closing

springs

fully

charged

.

Adjust

screw

(

44

)

to

obtain

4

*

0.5

mm

(

0.158

t

0.020

inch

)

clearance

between

lever

(

46

)

and

end

of

screw

(

44

)

.

Adjust

screw

(

46

)

on

trip

button

for

4

t

0.5

mm

(

0.158

±

0.020

inch

)

clearance

between

strip

(

47

)

and

screw

end

(

46

)

.

NOTE

:

Breakers

fitted

with

a

D

.

C

.

electromagnetic

for

closing

have

a

series

resistance

(

economizer

)

which

is

placed

in

series

with

the

coil

,

after

pickup

,

thereby

reducing

current

consumption

to

a

minimum

.

To

adjust

,

hold

1

mm

(

0.039

inch

)

gap

setting

of

the

electro

-

magnet

and

deform

limitswitch

strip

until

contacts

close

.

luni

.

Applying

voltage

to

the

relay

allows

lever

(

58

)

to

come

into

contact

with

adjusting

stop

(

60

)

.

Adjust

stop

(

60

)

for

a

clearance

of

0.6

t

0.4

mm

(

0.024

±

0.016

inch

)

.

Remove

voltage

,

allowing

lever

(

59

)

to

rise

,

check

for

clearance

of

0.1

mm

(

0.004

inch

)

between

lever

(

50

)

ond

*

w

(

61

)

.

LIMIT

OF

WEAR

:

0.1

mm

(

0.004

inch

)

©

0

,

*

9

.

Tripping

-

By

L

ocal

Mechanical

Pushbutton

.

If

the

breaker

is

fitted

with

a

signol

system

for

overload

and

short

circuit

tripping

with

local

reset

,

adjustments

should

be

carried

out

as

previously

outlined

.

In

other

cases

,

adjust

screw

(

24

)

{

Fig

.

24

)

for

obtaining

clearance

of

2

+

0.5

•

0.0

mm

(

0.079

+

0

:

158

inch

)

between

strip

(

26

)

and

the

end

of

the

screw

(

24

)

.

44

l

'

/

3

H

<

9

>

t

V

>

!

Plfl

.

22

B

.

Anti

-

Pumping

Inspection

.

Mechanically

operated

breaker

.

Oepress

trip

button

and

hold

while

charging

and

unlatch

closing

springs

.

Breaker

contacts

must

remain

open

.

Electrically

operated

breaker

.

Close

breaker

by

depressing

local

close

button

and

allow

gear

motor

to

charge

stored

energy

springs

.

While

holding

close

button

depressed

,

depress

trip

button

.

Breaker

must

trip

and

remain

tripped

until

close

button

is

released

for

of

operation

,

C

.

Undervoltage

lockout

(

Fig

.

23

)

.

When

the

undervoltage

release

is

provided

with

lockout

to

prevent

breaker

re

-

closing

upon

voltage

restoration

,

the

m

©

iMMtOJOiO

Fig

.

24

12

.

Courtesy of NationalSwitchgear.com

!

*

•

*

V

.

"

REPLACEMENT

PROCEDURE

A

.

Arc

Chute

(

Fig

.

25

)

.

To

remove

arc

chute

,

raise

retaining

lever

(

61

)

,

rotate

lever

90

degrees

to

clear

path

,

and

remove

arc

chute

by

lifting

upwards

.

The

reverse

procedure

is

followed

for

repositioning

ere

chutes

,

making

sure

the

respective

arc

chutes

fit

over

arcing

horns

(

62

)

.

2

.

Insulating

strips

.

When

replacing

contacts

,

it

is

recommended

that

the

insulating

strips

be

replaced

also

.

Using

a

screwdriver

,

remove

two

fasteners

(

4

)

retaining

in

-

sulating

strip

(

3

)

,

Replace

strips

using

new

fasteners

.

C

.

Auxiliary

Contact

Block

(

Fig

.

27

)

.

When

removing

contact

blocks

(

1

-

4

)

,

place

breaker

in

closed

position

before

loosening

contact

cradle

bolt

V

3

.

Slide

cradle

free

of

V

3

and

remove

contact

assemblies

,

To

replace

contact

blocks

,

reverse

procedure

making

sure

wires

turned

to

their

original

positions

.

The

same

procedure

is

followed

for

removing

or

replacing

contact

blocks

6

-

8

,

except

the

breaker

is

placed

in

the

open

position

,

are

rc

-

Flfl

,

25

1

I

)

B

.

Arcing

Contacts

and

Insulating

Strips

(

Fig

.

26

)

.

1

.

Arcing

contacts

.

With

breaker

In

open

position

,

loosen

retaining

bolts

VI

and

remove

contact

by

sliding

forward

.

Replace

with

new

contact

leaving

retaining

bolt

VI

loose

.

Close

breaker

and

loosen

bolt

V

2

(

two

per

contact

)

approximately

1.5

mm

(

0.059

inch

)

or

until

contact

clears

locating

boss

E

,

then

remove

by

lifting

upwards

.

Replace

with

new

contact

,

checking

to

see

that

contact

seats

in

locating

boss

before

tightening

bolt

V

2

.

With

0.9

mm

(

0.035

inch

)

feeler

gauge

,

position

contact

(

1

)

and

tighten

bolt

VI

.

i

Ifsl

:

Fl

*

.

27

D

.

Overload

and

/

or

Short

Circuit

Release

.

Remove

wire

*

from

plu

*

(

+

)

and

minus

(

-

)

terminals

on

solid

-

state

control

panel

located

on

front

of

breaker

element

.

Place

breaker

in

closed

posi

-

tion

and

apply

an

IB

volt

DC

9

millisecond

pulse

to

plus

and

minus

wires

going

to

EX

trip

actuator

.

I

With

voltage

applied

,

breaker

should

trip

.

Repeat

procedure

,

reducing

voltage

in

Incre

-

ments

until

12

volts

DC

Is

reached

.

At

this

level

,

breaker

should

not

trip

.

Do

not

attempt

to

adjust

actuator

.

{

Test

sets

are

available

as

an

accessory

for

rh

»

*

If

2

[

vi

O

KA

It

CCDO

k

Courtesy of NationalSwitchgear.com

Br

~

®

-

o

Flfl

.

28

E

.

Undervoltage

and

Shunt

Trip

Release

(

Fig

.

28

)

.

To

remove

trip

device

(

8

)

,

place

breaker

in

open

position

and

remove

coil

wires

from

terminal

block

(

81

)

located

on

rear

of

breaker

.

By

removing

(

86

)

and

muuniiny

nuis

(

82

)

,

the

device

may

be

removed

.

When

replacing

trip

device

,

lubricate

and

adjust

as

described

in

Chapter

IV

under

Voltage

Tripping

Devices

.

F

.

Secondary

isolating

Contact

Block

(

Fig

.

29

)

.

Removal

of

contact

block

is

accomplished

by

removing

wiring

and

mounting

screws

illustra

-

ted

in

Fig

.

29

.

H

.

Closing

Solenoid

(

Fig

.

31

,

32

)

.

Slide

coil

and

housing

from

plunger

(

Fig

.

31

)

after

removing

coil

wires

from

terminal

block

(

4

)

and

four

mounting

bolts

(

11

)

.

(

Fig

.

32

)

If

breaker

is

equipped

with

closing

preventer

which

would

be

mountkl

adjacent

to

the

closing

solenoid

,

the

coil

and

housing

cannot

slide

sideways

.

It

is

.

G

.

Motor

(

Fig

.

30

)

.

To

gain

access

to

motor

,

remove

(

3

)

.

After

removing

wires

from

terminal

block

(

4

)

and

mounting

nuts

(

6

)

,

lift

motor

from

gear

train

.

When

replacing

motor

,

check

to

see

that

clearance

exists

between

pinion

and

gear

.

No

further

adjustment

is

required

after

motor

is

protective

cover

(

5

)

held

by

two

bolts

Courtesy of NationalSwitchgear.com

I

1.1

therefore

,

necessary

to

remove

horseshoe

retain

-

ing

washer

(

8

)

and

linkage

from

plunger

so

complete

assembly

may

be

lifted

out

.

Coil

may

be

removed

from

housing

as

illustrated

in

Fig

.

31

.

When

replacing

,

make

adjustments

03

dc

scribed

in

Chapter

IV

,

Voltage

Tripping

Devices

.

shown

.

When

replacing

limitswitch

,

follow

adjustment

instructions

outlined

In

Chapter

IV

,

Limit

-

switch

On

Trip

Rod

.

r

k

0

G

s

rtfs

>

G

-

©

X

-

G

e

B

X

'

©

0

©

Closing

Preventer

(

Fig

.

32

)

.

The

closing

pre

-

venter

(

19

)

located

directly

behind

the

closing

solenoid

,

may

be

removed

by

removing

coil

wires

and

two

holddown

bolts

from

base

(

5

)

.

When

replacing

closing

preventer

,

make

adjust

ments

as

described

in

Chapter

IV

,

Undervoltage

Lockout

.

I

.

(

m

J

.

Fixed

Secondary

Isolating

Contact

Plocks

(

Fig

.

33

)

.

Removal

of

blocks

may

be

simplified

L

-

by

removing

three

screws

(

1

)

in

wire

guard

and

removing

holddown

screws

(

2

)

as

illustrated

.

Undervoltaga

and

Shunt

Trip

Limitswitch

*

(

Fig

.

35

)

.

,

1

.

Limitswitch

for

trip

indication

.

To

remo

\

the

limitswitch

(

28

)

for

indicating

trippir

by

undervoltage

or

shunt

tripping

,

brea

connections

and

remove

screws

(

178

!

When

replacing

limitswitch

,

follow

adjus

ment

Instructions

outlined

In

Chapter

l

\

Limitswlich

On

Voltage

Wen

*

#

.

©

0

©

0

G

z

nrwygnc

;

Qj

FI

*

.

33

L

K

.

Limitswitch

for

Fault

Indication

(

Fig

.

34

)

.

The

limitswitch

for

fault

indication

located

on

the

underside

of

the

element

may

be

removed

by

*

1

iit

Courtesy of NationalSwitchgear.com

2

.

Limitswitch

Operating

on

Undervoltage

.

Limitswitch

{

29

)

used

to

indicate

voltage

being

applied

to

holding

coll

of

solenoid

may

be

removed

by

breaking

connections

end

removing

screws

(

43

)

,

When

replacing

limitswitch

,

move

arma

-

ture

of

solenoid

to

see

that

limitswitch

does

not

prevent

solenoid

from

closing

.

Adjustment

may

be

made

by

bending

limitswitch

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GTE SYLVANIA SSPB 800 User manual

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