Allis-Chalmers LA-600 Manual de usuario

ALUS

CHALMERS

INSTRUCTION

BOOK

AIR

CIRCUIT

BREAKER

TYPE

600

APRS

1967

BWX

6637

Courtesy of NationalSwitchgear.com

INDEX

INSTRUCTION

BOOK

‘

“

•

Tiiki

mimo

‘

“

mir

‘

“

Tufiii

urTinrni

BviV

SECTION

INSTALLATION

AND

INSPECTION

INTRODUCTION

WARRANTY

RECEIVING

AND

INSPECTION

FOR

DAMAGE

CAUTIONS

OBSERVED

INSTALLATION

STORAGE

MAINTENANCE

RENEWAL

PARTS

SECTION

OPERATION

DESCRIPTION

Manually

Operated

Breaker

Electrically

Operated

Breaker

RACKING

MECHANISM

DRAWOUT

INTERLOCK

AND

LIFTING

BAR

SECTION

III

(

MAINTENANCE

LUBRICATION

MAINTENANCE

CLOSING

CONTACT

REPLACEMENT

SECTION

INTRODUCTION

SELECTION

SETTINGS

RELEASE

MAGNET

Courtesy of NationalSwitchgear.com

ALUS

CHALMERS

LIST

ILLUSTRATIONS

DESCRIPTION

FIGURE

TYPICAL

600

BREAKER

OUTLINE

TYPICAL

OPERATING

MECHANISM

(

MANUALLY

OPERATED

BREAKER

)

TYPICAL

OPERATING

MECHANISM

(

ELECTRICALLY

OPERATED

BREAKER

)

TYPICAL

WIRING

DIAGRAM

FOR

ELECTRICALLY

OPERATED

BREAKERS

TYPICAL

RACKING

MECHANISM

DRAWOUT

INTERLOCK

MAINTENANCE

CLOSING

TYPICAL

PANEL

ASSEMBLY

TYPICAL

STATIC

OVERCURRENT

TRIP

DEVICES

TYPICAL

BREAKER

RATING

PLATE

AND

CURRENT

TRANSFORMERS

SHAFT

LOCKS

AND

CALIBRATION

MARKS

FOR

STATIC

TRIP

DEVICES

PORTABLE

TEST

SET

FOR

STATIC

TRIP

DEVICES

TYPICAL

TRIP

CURVES

(

SELECTIVE

STATIC

TRIP

)

TYPICAL

TRIP

CURVES

(

DUAL

STATIC

TRIP

)

CONNECTIONS

FOR

FUNCTION

TEST

TYPICAL

RELEASE

MAGNET

TYPICAL

SECONDARY

DISCONNECTS

TYPICAL

AUXILIARY

SWITCH

TYPICAL

SHUNT

TRIP

TYPICAL

UNDERVOLTAGE

DEVICE

TYPICAL

BELL

ALARM

(

MANUAL

RESET

)

TYPICAL

BELL

ALARM

(

ELECTRICAL

RESET

)

ISA

TABLES

TABLE

OPERATING

PROCEDURE

(

MANUALLY

OPERATED

BREAKER

)

OPERATING

PROCEDURE

(

ELECTRICALLY

OPERATED

BREAKER

)

MAINTENANCE

CLOSING

CURRENT

TRANSFORMERS

(

Fig

)

Courtesy of NationalSwitchgear.com

iHSIIWiONS

FOR

THE

INSTALLATION

AND

OPERATION

ALUS

CHALHERS

TYPE

LOW

VOLTAGE

AIR

CIRCUIT

BREAKERS

AND

AUXILIARY

EQUIPMENT

SECTION

INSTALLATION

AND

INSPECTION

INTRODUCTION

The

type

”

air

circuit

breakers

may

furnished

for

mounting

any

one

three

ways

They

may

used

metal

enclosed

switch

gear

the

drawout

type

individual

enclosures

(

pullout

type

)

for

stationary

mounting

customer

own

enclosing

case

switchboard

breakers

are

completely

assembled

tested

and

calibrated

the

factory

vertical

position

and

must

installed

operate

properly

Customer

primary

connections

should

adequately

braced

against

the

effects

short

circuit

currents

prevent

overstressing

the

breaker

terminals

WARRANTY

Allis

ChaImers

air

circuit

breakers

are

warranted

free

defects

in material

and

workmanship

for

period

one

year

after

delivery

the

original

purchaser

This

warranty

limited

the

furnishing

any

part

which

our

satisfaction

has

been

proven

defective

Chalmers

will

not

any

case

assume

responsibility

for

allied

equipment

any

kind

RECEIVING

AND

INSPECTION

FOR

DAMAGE

immediately

upon

receipt

this

equipment

carefully

remove

all

packing

traces

and

examine

parts

checking

them

against

the

packing

list

and

noting

any

damages

incurred

transit

such

disclosed

damage

claim

should

filed

once

with

the

transportation

company

and

Chalmers

notified

CAUTIONS

OBSERVED

THE

INSTALLATION

AND

OPERATION

CIRCUIT

BREAKERS

Read

Instruction

Book

before

Installing

making

any

changes

adjustments

the

breaker

the

closing

springs

stored

energy

breakers

may

charged

either

the

breaker

open

closed

position

extreme

care

should

taken

discharge

the

springs

before

working

the

breaker

When

closing

manually

operated

breakers

always

grasp

dosing

handle

firmly

until

returned

the

normal

vertical

position

Check

current

ratings

and

serial

numbers

against

single

line

diagram

assure

that

breakers

are

properly

located

switchgear

insta

latf

Check

the

alignment

the

secondary

disconnect

fingers

ensure

against

misalignment

due

possible

distortion

fingers

during

shipment

and

handling

Once

the

breaker

energised

should

not

touched

except

for

operating

since

most

the

component

parts

are

also

energized

Courtesy of NationalSwitchgear.com

INSTALLATION

The

air

circuit

breaker

completely

adjusted

tested

and

Inspected

the

factory

before

shipment

but

careful

check

should

made

certain

that

shipment

storage

has

not

resulted

damage

change

adjustment

Circuit

breakers

should

Installed

clean

dry

wel

ventiiated

place

which

the

atmosphere

free

from

destructive

acid

alkali

fumes

Stationary

type

breakers

should

mounted

high

enough

prevent

injury

personnel

either

from

circuit

interruption

from

moving

parts

during

automatic

opening

the

breaker

Allot

sufficient

space

permit

access

for

cleaning

and

inspection

and

adequate

clearance

insulating

barrier

above

the

breaker

prevent

damage

from

arcing

during

Interruption

Before

installing

make

certain

that

the

breaker

contacts

are

the

open

position

After

the

breaker

installed

position

manually

the

maintenance

closing

method

(

See

Section

III

)

check

proper

functioning

the

mechanism

and

contacts

(

CAUTION

MAKE

SURE

CIRCUIT

NOT

ENERGIZED

)

During

the

closing

operation

observe

that

the

contacts

move

freely

without

interference

rubbing

between

movable

arcing

contacts

and

parts

the

arc

chutes

Then

refer

Section

the

Instruction

Book

for

detailed

description

the

circuit

breaker

operating

characteristics

before

putting

the

breaker

service

Trip

units

and

accessory

devices

should

receive

thorough

check

prior

placing

the

breaker

service

certain

that

adjustments

are

proper

and

parts

are

not

damaged

Cubicle

mounted

breakers

the

drawout

type

are

equipped

with

draw

out

interlock

prevent

movement

closed

breaker

into

out

the

connected

position

See

Section

the

Instruction

Book

for

description

the

interlock

Its

operation

should

checked

before

the

breake

energized

Upon

completion

the

installation

Inspection

the

breaker

ready

energized

after

the

control

wiring

any

checked

and

the

Insulation

tested

STORAGE

When

breakers

are

not

put

into

immediate

use

they

should

wrapped

covered

with

non

absorbant

material

provide

protection

from

plaster

concrete

dust

other

foreign

matter

Breakers

should

not

exposed

the

action

corrosive

gases

moisture

areas

high

humidity

temperature

fluctuations

space

heaters

the

equivalent

should

provided

MAINTENANCE

Occasional

checking

and

cleaning

the

breaker

will

promote

long

and

trouble

free

service

periodic

inspection

and

servicing

least

every

six

months

should

included

the

breaker

maintenance

routine

the

circuit

breaker

not

operated

during

extended

periods

the

breaker

should

not

remain

either

the

closed

open

position

any

longer

than

six

months

Maintenance

opening

and

closing

operations

should

made

ensure

freedom

movement

all

parts

RENEWAL

PARTS

When

ordering

renewal

parts

specify

the

complete

name

plate

data

including

breaker

serial

number

Courtesy of NationalSwitchgear.com

RELEASE

MAGNET

156

RAIL

RADIUS

FRAME

378

{

LEFTSIDE

VIEW

)

COVER

WDTH

GROUND

BAR

tOS

PETA

CLEFT

SIDE

VIEW

)

14563

15.875

DETAIL

TOP

VIEW

)

RACKING

SCREW

BARRIER

4104

)

BARRIER

(

103

RAIL

RAOCUS

INTERLOCK

SLIDE

UWOERVOLTAGE

DEVICE

(

ATTACHMENT

)

BELL

ALARM

„

(

ATTACHMENT

)

ARC

CHUTE

epoo

(

SEE

DETAIL

)

1.062

6.062

CURRENT

TRANSFORMERS

118

1.031

Tut

CVT

4000

—

DISCONNECTS

“

3.6

AUX

SWITCH

{

ATTACHMENT

SUPPORT

1062

RACKING

CRANK

FREE

POSITION

625

CPES

POSITION

;

WASHER

•

SECONDARY

DISCONNECTS

(

;

aSt

SPRING

RELEASE

LATCH

BSWiF

fcS

posmo

4300

fci

500

RAIL

MAXIMUM

IELE

WWEL

750

—

2230

VERTICAL

TRAVEL

TWP

437

ELECTRICAL

SPRING

RELEASE

)

}

INTERLOCK

’

123

BAR

TRIP

ROD

CONTROL

SJV

(

ELECTRICALLY

BREAKERS

(

SEE

DETAIL

)

(

ATTACHMENT

)

(

SEE

DETA

)

CUBICLE

INTERLOCK

CAM

Fiat

TYPICAL

600

BREAKER

OUTLINE

MARCH

1967

440

006

405

Courtesy of NationalSwitchgear.com

•

DETAIL

’

DETA

219

218

217

JSEE

DETAILS

;

DETAIL

209

SPRING

201

CLOSING

HANDLE

217

SPRING

218

STOP

219

ROLLER

220

TOGGLE

UNKAGE

SCREW

222

RACKING

SCREW

223

CLEVIS

224

RAIL

225

LINK

226

227

228

SPRING

210

CLOSING

CAM

202

SPRING

RELEASE

LATCH

202

HOOD

211

PAWL

•

203

SPRING

212

SPRING

204

SPRING

213

TOGGLE

LINKAGE

205

ROLLER

214

NUT

215

TRIP

SHAFT

•

206

207

TRIP

ROD

216

TRIP

LATCH

208

CAM

FIG

TYPICAL

OPERATING

MECHANISM

MANUALLY

OPERATED

BREAKER

340

014

401

MARCH

1967

•

Courtesy of NationalSwitchgear.com

SECTION

OPERATtQN

•

rtr

)

iniv

Mau

Ukm

•

(

„

ESCRIIPT

The

600

circuit

breaker

has

interrupting

capacity

000

amperes

and

maximum

continuous

current

rating

600

amperes

600

volts

cycles

For

information

other

voltages

frequencies

the

factory

should

consulted

available

manually

operated

breaker

electrical

operated

breaker

The

two

breakers

are

identical

with

the

exception

the

medium

used

transmit

power

charge

the

stored

rgy

springs

double

toggle

trip

free

mechanism

used

;

that

the

breaker

contacts

are

free

open

any

time

required

regardless

the

position

the

mechanism

the

force

being

applied

Manually

Operated

Breaker

the

breaker

has

single

frame

type

construction

most

the

latches

and

linkages

are

arranged

pairs

;

however

for

descriptive

purposes

they

will

referred

irvg

items

Refer

Figure

Detail

shows

the

position

trjfk

tch

(

216

)

when

the

breaker

contacts

are

open

with

the

closing

charged

Movement

closing

handle

(

)

downward

rotates

against

roller

(

205

)

thus

pivoting

closing

cam

(

210

)

clockw

;

(

206

)

and

extending

stored

roy

springs

(

209

)

’

through

Iff

and

(

226

)

Rotation

cam

(

)

clockwise

permits

sprIng

collapse

toggle

linkage

(

213

)

and

(

220

)

the

same

time

trip

latch

(

2.16

)

reset

torsion

spring

(

228

)

shown

Detail

„

Pushing

down

spring

release

latch

hood

(

202

)

after

the

closing

handle

returned

the

normal

vertical

position

releases

the

energy

springs

(

209

)

Through

link

(

22.5

)

closing

cam

(

210

)

rotated

counterclockwise

against

roller

(

219

)

which

moves

toggle

linkage

shown

Detail

the

breaker

contacts

The

closing

operation

may

interrupted

any

point

functioning

the

trip

device

thus

ensuring

ree

operation

open

the

breaker

contacts

trip

rod

trip

shaft

(

215

)

ockwlse

which

releases

trip

latch

(

)

shown

Detail

breakers

equipped

with

shunt

trip

device

the

breaker

contacts

may

opened

operation

remote

trip

control

switch

The

shunt

trip

device

rotates

the

trip

shaft

release

the

trip

latch

)

actuated

This

rotates

MANUALLY

“

PERATED

REAKER

TABLE

OPERATING

PROCEDURE

miimvft

fTm

’

•

Puli

handle

(

201

)

down

all

the

way

(

approximately

320

)

and

return

normal

vertical

position

(

Engagement

paw

)

(

211

)

with

the

ratchet

teeth

prevents

handle

versal

until

the

downward

stroke

completed

)

Push

down

spring

release

latch

hood

(

)

after

handle

returned

norma

vertical

position

Push

manual

trip

rod

(

207

)

shunt

trip

provided

operate

remote

trip

control

(

See

Figure

)

uiLswm

CLOSING

TRIPPING

»«

switch

(

CST

)

“

Courtesy of NationalSwitchgear.com

(

’

ALLIS

“

CHALM

ERS

CONTROL

SWITCH

234

FLAT

SPRING

235

GEAR

236

PINS

237

TOGGLE

LINKAGE

238

MOTOR

GEAR

BOX

PINION

239

MOTOR

240

GEAR

SEGMENT

241

202

SPRING

RELEASE

LATCH

202

HOOD

207

TRIP

ROD

210

CLOSING

CAM

225

LINK

230

SPRING

POSITION

SWITCH

231

ARM

•

232

MOTOR

CUT

OFF

SWITCH

233

PLUNGER

FIG

TYPICAL

OPERATING

MECHANISM

ELECTRICALLY

OPERATED

BREAKE

340

017

MARCH

1967

LCS

toeb

Xft

TRANSFORMERS

MAGNETIC

TrtlP

COIL

}

TERMINAL

BLOCK

TYPICAL

WIRING

OIACRAM

FOR

ECTRICAL

OPERATED

BREAKERS

FIG

•

401

WAftOW

1967

Courtesy of NationalSwitchgear.com

The

mechanism

the

electrically

operated

Electrica

Qperated

Breaker

ftiu

MKAWUW

enKWUWinWlrtiiMl

ttWWWoiWrtrfMinMWM

breaker

the

same

that

the

manually

operated

breaker

except

that

the

manual

closing

handle

replaced

electric

motor

and

the

gear

system

Refer

Figures

and

Movement

the

control

switch

(

)

located

the

front

the

breaker

the

position

when

the

control

circuit

energized

start

the

automatic

closing

cycle

Motor

gear

box

pinion

(

238

)

rotates

gear

(

235

)

counterclockwise

and

pins

(

236

)

move

across

the

top

flat

biasing

spring

(

234

)

This

raises

toggle

linkage

(

237

)

ver

center

and

positions

gear

(

235

)

mesh

with

gear

segment

(

240

)

Since

this

gear

segment

attached

closing

cam

(

210

)

the

stored

energy

springs

are

charged

and

latched

the

same

sequence

described

the

section

The

lower

extension

closing

cam

(

210

)

engages

roller

toggle

linkage

(

237

)

disengage

gear

(

235

)

from

gear

segment

(

240

)

after

the

stored

energy

springs

are

latched

the

charged

position

spring

release

latch

(

202

)

Spring

position

switch

(

230

)

(

SPS

)

actuated

the

open

position

arm

(

231

)

attached

link

(

225

)

the

stored

energy

springs

approach

the

charged

position

This

switch

initiates

the

spring

recharging

cycle

and

connected

parallel

with

motor

cut

off

switch

(

)(

)

which

open

initially

closes

while

the

motor

charges

the

springs

and

opens

when

the

springs

are

charged

with

the

gearing

disengaged

The

motor

cut

off

switch

actuated

the

movement

plunger

(

233

)

over

pins

(

236

)

Approximately

twelve

seconds

are

required

for

completion

the

spring

charging

cycle

The

breaker

may

now

closed

pushing

down

spring

release

latch

hood

(

)

the

manually

operated

breaker

may

closed

electri

cally

through

remote

control

switch

spring

release

coil

(

SRC

)

which

moves

(

241

)

counterclockwise

direction

trip

spring

release

latch

hood

(

202

)

and

spring

release

latch

(

202

)

The

coll

energized

simultaneously

with

the

spring

release

coil

and

causes

the

contact

open

the

circuit

the

motor

Since

the

relay

will

remain

energized

long

the

remote

control

swi

tch

(

CSC

)

held

closed

contact

keeps

the

motor

rcul

open

prevent

pumping

repeated

attempts

charge

the

stored

energy

springs

when

the

breaker

closing

This

switch

energizes

After

the

stored

energy

springs

are

discharged

they

are

automatically

recharged

long

the

control

circuit

energized

and

the

control

the

position

Figure

shows

the

spring

position

swi

tch

switch

(

SPSjfrb

)

closed

complete

the

motor

control

circuit

would

when

the

springs

are

discharged

ELECTRICALLY

OPERATED

BREAKERS

TABLE

OPERATING

PROCEDURE

Move

control

switch

(

)

Charging

Springs

Energize

control

circuit

front

breaker

position

After

springs

are

charged

actuate

remote

control

switch

(

CSC

)

Push

down

spring

release

latch

hood

(

202

)

Actuate

remote

trip

control

switch

(

CST

)

Push

manual

trip

rod

(

207

)

Closing

;

Tripping

Courtesy of NationalSwitchgear.com

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