GE HFA154 Manual de usuario

Instructions

GEK

45486

Supersedes

GEK

45486

MULTI

CONTACT

AUXILIARY

RELAYS

TYPE

HFA

154

These

instructions

not

purport

cover

details

variations

equipment

nor

provide

for

every

possible

contingency

met

connection

with

installation

operation

maintenance

Should

further

information

desired

should

particular

problems

arise

which

are

not

covered

sufficiently

for

the

purchaser

purposes

the

matter

should

referred

the

General

Electric

Company

the

extent

required

the

products

described

herein

meet

applicable

ANSI

IEEE

and

NEMA

standards

;

but

such

assurance

given

with

respect

local

codes

and

ordinances

because

they

vary

greatly

Courtesy of NationalSwitchgear.com

GEK

45486

CONTENTS

PAGE

DESCRIPTION

APPLICATION

CHARACTERISTICS

RATINGS

Burdens

RECEIVING

HANDLING

AND

STORAGE

INSTALLATION

Mounting

and

Connections

Adjustments

PERIODIC

CHECKS

AND

ROUTINE

MAINTENANCE

Contact

Cleaning

SERVICING

AND

ADJUSTMENT

Contact

Adjustment

Pickup

RENEWAL

PARTS

Courtesy of NationalSwitchgear.com

GEK

45486

MULTI

CONTACT

AUXILIARY

RELAY

TYPE

HFA

154

DESCRIPTION

The

HFA

154

relays

are

instantaneous

hinged

armature

multi

contact

electric

reset

auxiliary

relays

electric

reset

feature

The

HFA

154

relays

have

five

electrically

separate

contact

circuits

adaptable

for

either

circuit

opening

circuit

closing

applications

sixth

contact

used

open

the

reset

coil

circuit

Model

HFA

154

has

hand

reset

feature

addition

the

The

HFA

154

relays

are

available

HFA

154

(

)

HFA

154

(

)

HFA

154

(

)

HFA

154

(

)

Outline

and

panel

drilling

dimensions

are

shown

Figures

and

back

connected

semi

flush

mounted

relays

front

connected

surface

mounted

relays

Internal

connections

for

the

relays

are

shown

Figure

These

relays

have

special

long

life

operating

coils

APPLICATION

The

Type

HFA

154

relays

are

intended

for

application

where

desired

control

five

circuits

the

operation

single

auxiliary

relay

and

maintain

those

circuits

until

the

auxiliary

relay

electrically

reset

(

HFA

154

)

with

the

HFA

154

either

manually

electrically

reset

CHARACTERISTICS

The

HFA

154

relays

additional

feature

hand

reset

plunger

assembly

installed

through

the

transparent

cover

characteristics

HFA

154

relays

are

summarized

Table

are

multi

contact

auxiliary

relays

The

hand

reset

feature

accomplished

with

general

The

HFA

154

has

the

The

TABLE

Model

Number

Separate

Contact

Circuits

Additional

Characteristics

Contact

Arrangement

Tabl

HFA

154

HFA

154

Hand

Reset

Unless

the

relays

are

ordered

with

specific

contact

arrangement

they

will

shipped

with

all

circuit

closing

contacts

(

code

)

;

see

Table

Courtesy of NationalSwitchgear.com

GEK

45486

TABLE

Code

Contact

Arrangement

Position

bbb

aaa

Normally

open

Normal

closed

Used

open

reset

coil

circuit

RATINGS

The

Type

HFA

154

relays

are

available

with

coil

ratings

for

standard

voltages

250

VOC

and

for

120

and

240

volts

and

cycles

The

operating

coils

are

specifically

designed

for

long

life

even

when

operated

continuously

near

maximum

ambient

temperature

(

)

The

operating

coil

continuously

rated

but

the

reset

coil

has

five

(

)

second

intermittent

rating

The

current

closing

rating

each

contact

amperes

rating

amperes

continuous

amperes

for

one

minute

non

inductive

interrupting

capacity

each

contact

The

current

carrying

Table

III

lists

the

TABLE

III

Vol

Amperes

Vol

Amperes

115

230

460

575

125

250

BURDENS

The

operating

coil

burdens

listed

Table

are

measured

with

the

relay

the

picked

position

rated

voltage

and

are

for

continuous

usage

TABLE

Coils

Watts

Frequency

(

Cycles

)

Cold

Vol

Amperes

Hot

Watts

7.3

6.0

Revised

since

last

issue

Courtesy of NationalSwitchgear.com

GEK

45486

The

burdens

the

reset

coil

are

listed

Table

and

are

for

intermittent

rating

seconds

TABLE

Coils

Resistance

Rating

Frequency

Volt

Amps

250

740

220

740

220

125

185

180

110

185

RECEIVING

HANDLING

AND

STORAGE

These

relays

when

not

included

part

control

panel

will

shipped

cartons

designed

protect

them

against

damage

relay

examine

for

any

damage

sustained

transit

resulting

from

rough

handling

evident

file

damage

claim

once

with

the

transportation

company

and

promptly

notify

the

nearest

General

Electric

Sales

Offi

Immediately

upon

receipt

injury

damage

Reasonable

care

should

exercised

unpacking

the

relay

order

that

none

the

parts

are

injured

nor

the

adjustments

disturbed

the

relays

are

not

installed

immediately

they

should

stored

their

original

cartons

place

that

free

from

moisture

dust

and

metallic

chips

Foreign

matter

collected

the

outside

the

case

may

find

its

way

inside

when

the

cover

removed

and

cause

trouble

the

operation

the

relay

INSTALLATION

MOUNTING

AND

CONNECTIONS

The

Type

HFA

154

relays

should

mounted

vertical

surface

The

outline

panel

drilling

diagrams

and

internal

connections

are

shown

Figures

and

ADJUSTMENTS

These

relays

have

been

calibrated

the

factory

and

under

normal

conditions

will

require

further

adjustments

further

adjustments

are

required

refer

the

SERVICING

section

this

book

PERIODIC

CHECKS

AND

ROUTINE

MAINTENANCE

view

the

vital

role

protective

relays

the

operation

power

system

important

that

periodic

test

program

followed

recognized

that

the

interval

between

periodic

checks

will

vary

depending

upon

environment

type

relay

and

the

user

experience

with

periodic

testing

accumulated

enough

experience

select

the

test

interval

best

suited

his

individual

requirements

suggested

that

the

points

listed

under

SERVICE

AND

ADJUSTMENT

checked

the

same

schedule

the

associated

protective

relays

Until

the

user

has

Revised

since

last

issue

Courtesy of NationalSwitchgear.com

GEK

45486

CONTACT

CLEANING

For

cleaning

fine

silver

relay

contacts

flexible

burnishing

tool

should

used

(

available

from

the

factory

)

This

consists

flexible

strip

metal

with

etched

roughened

surface

resembling

effect

superfine

file

The

polishing

action

delicate

that

scratches

are

left

yet

will

clean

off

any

corrosion

thoroughly

and

rapidly

The

flexibility

the

tool

ensures

the

cleaning

the

actual

points

contact

not

use

knives

files

abrasive

paper

cloth

any

kind

clean

relay

contacts

SERVICING

AND

ADJUSTMENT

CONTACT

ADJUSTMENT

The

contacts

are

adjusted

the

factory

and

normally

should

not

require

readjustment

since

they

are

self

aligning

HFA

154

contact

circuits

can

changed

from

circuit

opening

circuit

osi

vice

versa

removing

the

fixed

contact

turning

over

and

restoring

its

place

for

any

reason

becomes

necessary

readjust

the

contacts

for

instance

contact

changed

from

circuit

opening

circuit

closing

the

following

checks

and

adjustments

should

made

;

Make

sure

that

all

contact

and

coil

studs

are

tight

Make

sure

that

the

armature

free

binding

when

operated

hand

braided

pigtail

lead

all

contacts

must

adjusted

exert

minimum

force

the

contacts

The

Adjust

the

contact

arms

that

the

normal

open

contacts

make

approximately

simultaneously

when

the

relay

operated

hand

permissible

have

much

but

than

inch

gap

any

one

contact

when

the

first

one

just

making

contact

Also

the

normally

closed

contacts

must

open

approximately

the

same

time

These

adjustments

can

made

bending

the

moving

contact

arms

All

normally

open

contacts

must

have

wipe

inch

This

can

adjusted

forming

the

moving

contacts

with

the

tools

provided

along

with

the

gauges

The

adjustment

the

stop

screw

depends

whether

there

are

normally

closed

contacts

present

there

are

normally

closed

contacts

adjust

the

stop

screw

give

approximately

inch

contact

gap

between

moving

and

stationary

contact

there

are

normally

closed

contacts

use

the

inch

adjustment

reference

point

for

starting

the

wipe

adjustment

This

All

normally

osed

contacts

must

have

wipe

0.067

007

inches

can

accurately

accomplished

using

the

stop

screw

for

the

fine

adjustment

Connect

continuity

light

each

the

normally

closed

contacts

Revised

since

last

issue

Courtesy of NationalSwitchgear.com

GEK

45486

Loosen

the

stop

screw

locknut

and

turn

the

stop

screw

clockwise

until

the

first

the

normally

closed

contacts

opens

Turn

the

stop

screw

additional

turn

and

all

the

normally

closed

contact

lights

should

out

indicating

that

the

normally

closed

contacts

are

adjusted

within

inch

overall

from

the

first

open

the

last

open

Turn

the

stop

screw

back

again

that

there

approximately

inch

between

the

end

the

stop

screw

and

the

armature

and

then

tighten

the

locknut

Recheck

pickup

after

the

above

changes

adjustments

PICKUP

The

main

coil

should

adjusted

pick

rated

voltage

for

relays

and

rated

voltage

for

relays

This

adjustment

may

obtained

unseating

the

adjusting

nut

the

lower

end

the

armature

and

turning

this

nut

clockwise

direction

raise

the

pickup

The

pickup

decreased

turning

the

nut

the

counterclockwise

direction

The

reset

coil

sould

pick

rated

voltage

and

rated

voltage

There

adjustment

available

alter

this

pickup

Since

the

reset

coil

rated

intermittently

care

should

exercised

when

applying

this

voltage

the

pickup

value

lower

than

rated

voltage

check

whether

the

reset

coil

resistance

within

tolerance

After

all

adjustments

are

completed

the

mounted

relay

should

operated

few

times

certain

that

the

mechanism

operates

freely

and

that

the

contact

surfaces

align

properly

Check

see

that

the

armature

latches

when

operated

hand

and

opens

readily

when

reset

RENEWAL

PARTS

When

ordering

renewal

parts

address

the

nearest

Sales

Office

the

General

Electric

Company

complete

nameplate

data

including

the

serial

number

the

relay

parts

publication

GEF

2757

Specify

the

name

the

part

wanted

quantity

required

and

The

renewal

Revised

nee

ast

issue

Courtesy of NationalSwitchgear.com

GEK

45486

Figure

(

8043000

)

HFA

154

Relay

Back

Connected

Semi

Flush

mounted

(

Front

View

)

Courtesy of NationalSwitchgear.com

GEK

45486

Figure

(

8025781

)

HFA

154

Relay

Front

Connected

Surface

Mounted

(

Front

View

)

Courtesy of NationalSwitchgear.com

GEK

45486

Figure

(

8043001

)

HFA

154

Relay

with

Cover

Removed

(

Front

View

)

Courtesy of NationalSwitchgear.com

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