GE NAA27H, NAA27J, NAA27K, NAA27L Instructions Manual

INST

RU

CT

ION

S

GEI-74663D

TRANSFERRED

TRIP

RELAYS

Types

NAA27H

NAA27J NAA27K

NAA27L

AUXILIARY

GENERALS

ELECTRIC

TRANSFERRED

TRIP

AUXILIARY

RELAYS

The tions line

transferred

The and

permissive schemes telephone

and

RI,

units

are

receiver Type

10

its

picked frequency transferred loss

of

receipt

alarm

high-speed transferred

reclosing.

The missive is

used

Type

10

when

the

three

telephone

TTZ,

and

pick

up

“b”

switch

a

continuous

is

open. purpose scheme. inately external The

TTZ necessary missive

The

and

permissive reaching involved.

necessary two

telephone

TX,

which

NAA27H

Type

are

auxiliary

NAA27H

via

type

andatarget

auxiliaries units

tone

up

receiver

trip

the

guard

of

a

transferred

during

trip

NAA27J

cverreaching

in

conjunction

pilot

channel

BX.

6

cycles,

of

on

the

transferred

The

for

unit

It

has

cycle,

1

capacitor

unit

in

overreaching

NAA27K

schemes

It

transferred

are

relay.

APPLICATION

relays

NAA

receiver.

test.

is

provides

the

is

type

identical

relays

trip

schemes

relay

is

underreaching

10

Type

relay

units

seal-in

to

which

the

are

position

unit.

circuit

channel.

The circuits, signal,

relay

transferred

with

involved

Type

is

relay

type

BX

The

(60

cycle

associated

TTY

unit

in

use

a

normal

but

to

the

can,

obtain

the

transferred

schemes.

relay

is

underreaching

when

required

trip

relay

with

designed

tones,

The by

Its

and

trip

RI

and

is

or

unit

trip

permissive

drop

11

intended multi-terminal

units

covered

for

as

designated

unit.

guard

normally

GX

a

contact

function

to

sound

TX

The

signal

unit

including

initiates

intended

the

NAA27H

with

carrier.

50

units

designated

which

basis)

circuit

signal

is

intended

out

desired,

longer

small

trip

or

in

addition

auxiliaries.

designated

the

similar

these

by

the

in

use

described

use

for

transferred

It

includes

as

The

and

trip

included

is

normally

of

is

to

an

Unit

picks

to

is

energized

the

use

for

schemes.

trip

relay

the

NAA27L

has

a

operated

is

breaker

when

the

as

overreaching

time

of

be

used

drop

coordinating

circuit

for

use

permissive

to

units

TYPE

NAA

DESCRIPTION

TX the

in

the

on an

all

It

a

an

underreaching Type four GX, TX, ponding a

high-speed

channel.

type limiting

OPERATING

shown

connection

tions rated available The and connection

NAA27H Table

RATINGS

Carry

Carry Carry Minimim Minimum

DC

60 50

DC Interrupting

instruc

various

in

TX,

GX

and

frequency

held

the

block

alarm

provide

received

high

on

when

It

includes

as

time

to

breaker

a

general

approxi

with

out

times.

on

direct

lines

the

It

includes

GX

as

below.

direct

trip

three

GX,

in

guard

upon

up by speed

per

relay TTY,

delay

by

send

time

per

over-

are

other

and

in

the

The

NAA27L

carrier

50 telephone RI,

and

GX,

and

units

It

should

units

shunt

The

operating

in

the

The

Type are DC

voltage

for

resistance

associated

The

combination and

I.

30

Amos

10

Amps

continuously

Operating Drop-out

resistance

Hz

impedance

Hz

impedance

resistive

transferred type

TTY, RI in

the

relay

be

in

these

resistors.

tabulations

diagrams.

NAA

suitable

24,

values

resistors

diagram.

NAA27K

OF

for

(Ohms)

(Ohms) (Ohms)

rating

relay

is

intended

trip

is

units

noted

used

relays

and

are

NAA27H

used

that

relays

as

units,

target

a

identical

to

the are

the

relay. key

coils

furnished

CHARACTERISTICS

characteristics

accompanying

RATINGS

relays for

shown

48,

TARGET

(Sec)

(Sef)

(Amp)

(Amps)

continuous

on

125

of

are

target

relays

TABLE

covered

the

and

250

the

telephone listed

and

is

I

AND

0.2

0.05

0.45

0.37

0.2

0.05

8.3 50 42

2.5

(‘125

for

applications

pilot. designated seal-in

with

The

type

the

of

all

of

by

these

operation

nameplate

volt

applications.

on

seal-in

rated

SEAL-IN

2.0

2.2

2.0

2.3

2.0

0.5 .24 .65 .54

Amp

VDC

use

all

the

as

the TTY

the

type

Dual

‘2

0.6

0.5

5.0

1.2

0.6

0.15

0.78

6.2

5.1

on

direct where

It

includes

as

unit.

corres

unit

50

carrier

telephone

with

units

internal

instruc

at

and

relays

internal

unit

in

shown

UNIT

Hated

0

30

TX, The

surge

are

the

are

the

2.0

3.5

2.6

2.0

0.5

0.18

0.65

0.54

is

in

c-er-v further

hc

:,ut

T:yese

posshle

purh.ers

To

ns

Instractlons

inlarmatioji

tsr-

extent

Iaruraz2ce

cc.9tngency

b

purposc,

required

desired

is

do

given

the

not

purport

be

to

or

matter

the

products

with

met

should

respect

to

in

should

cover

connection

particular

be

described

to

all

referred

local

details

with

problems

herein

codes

or

installation,

to

the

meet

and

variations

alise

General applicable

ordinances

which

operation

are

Electric

in

ANSI, because

equipment

or

not

Company. IEEE

maintenance.

covered

and

they

nor

sufficiently

NEMA

vary

to

greatly.

provide

Should

standards;

for

1)11-74

ç30)

tripping

663

If

the

amperes,

relay

Transferred

tripping

it

is

be

used.

Trip

Auxiliary

current

recommended

should

that

Relays

exceed

an

Type

thirty

auxiliary

NAA

INSTALLATION

These control protect receipt

for

any

or

damage

a

claim

company

Electric

Reasonable

ing

the

injured

If

they

should

place chips.

The

installation

1.

2.

3.

4.

TX

UNIT

The

rated

pick

seconds

CX

voltage

p

UNIT

The

rated

voltage

out

ime

oe-eneriized

RI

UNIT

panel,

them

of

damage

should

Company

relay

or

the

that

Contacts The

relays

The

0.005

When

hand,

inch

a

TX

time

or

CX

should

relays,

vill

against

the

relay,

sustained

resulting

hefiledatoncewiththe

and

the

care

in

adjustments

relays

be

stored

is

free

INSPECTION

relay

0.005

and

the

normally

inch

the

gap

inch

should

and

CHECK

unit

should

across

at

unit across

be

from

rated

should

0.4 rated

less.

RECEIVING

when

be

not

shipped

damage.

an

examination

during

from

rough

nearest

notified

Sales

promptly.

should

order

that

disturbed.

are

not

to

be

in

from

their

moisture,

be

inspected

following

should

open

not

contacts

be

have

closed

wipe.

telephone

open

the

wipe.

relays

contacts

closed

TESTS

pick

the

operating

voltage

pick

the

operating

to

0.5

seconds

voltage.

included

in

cartons

handling

Office

be

exercised

none

installed

original

points

tarnished.

a

gap

contacts

should

contacts

up

at

should

up

at

circuit.

as

lrnniediatelv

should

shipment.

transportation

of

the

immediately

cartons

dust

and

at

the

checked:

of

both

of

0.015

should

are

operated

have

should

80c

circuit.

be

80

when

the

a

part

designed

be

is

the

in

unpack

parts

metallic

time

telephone

a

or

less

8

milli

or

less

The

unit

of

upon

made

If

injury

evident.

General

are

in

inch.

have

by

0.0

15

have

of

The

of

drop

is

a

to

a

of

a

relays Figs.

BX

UNIT

The

rated

be

95

TTY

The rated given

R

Ia’

e

NAA27J NAA27L NAA27L NAA27L NAA27L

TTZ

UNIT

The

rated application cycles. application cycles.

Note

that

shown polarities tests.

LOCATION

The

dust

and

facilitate

The surface. are

shown

The

covered

1

to

voltage.

to

105

UNIT

TrY

voltage.

below.

Forms Forms Forms Forms

TTZ

voltage.

The

in

on

the

should

location

excessive

inspection relays

The in

internal

4

inclusive.

RN

unit

shonld

Pick

The

UI)

should

pickup

milliseconds.

unit

1—17 21-23 25-27 28

&

up

unit

should

with

many internal

Pick

Type

pick

Type

be

time

UI)

10

up

time

50

instances

connection

observed

AND

Fig.

should

outline

6

vibration

and

be

testing.

be

7.

CONNECTIONS

wiring

by

these

diagrams instructions

iliek

time

at

pick

and

Pickup

Time

Bms

or

8ms

or

2ms

or

4ms

or

2ms

or

pick

up

of

tone

ci

carrier

polarity

when

MOUNTING

clean

and

mounted

panel

drilling

:“

at

rated

up

at dropout

less

less less less

at

70R

units

channels

units

channels

diagrams.

making

dry,

well

on

for

the

are

80,

voltage

8Y

Propout

Time(rns)

33

33 2nis 2ms 2nis

or

intended

marks

free lighted

a

vertical

diagrams

various

shown

or

is is

should

less

time

to

or or or

less

2.75

These

check

from

50

less less

less

for

1.25 for

are

to

in

s

ut

of is

of

v’ace.

.t Sc

-1

c

The

nds

o:d..

HI

ann

Pick

unit

drop

should

up

time

out

pick

should

tim

UI)

at

he

from

7O

Less

115

OI

less

than

to

I

of

16

1i

rateci

milli—

m.lli—

rounds

ease

with

\VJ

r(

Unless

he

a

or

mounted the grounded

()nductor

its

equivalent.

relay

case,

through

not

on

less

a

steel

it

than

is

a

panel

which

recommended

mounting

I2

B

&‘

S

stud

gauge

adequately

that

or

screw

copper

the

The

tions

are

brated, unitsar the

SERVICING

performing

CONTACTS

F

units

a consists roughened The

polishing

r

left,

e rapidiv insures

tact.

The

bies

or

av

leave

rioratioi

ia

lavc

-rateriai

:1

ct

ion.

PICKUP

11

P000e (

I I

ianging

Ic

is

i

o

a

f’)C

bc ac1ustmen

ibCK—UPF

hi

Type

shipped

hut

out

c

r

cleaning

flexible

of

vet

and

he

untacts

abrasive

n

he

e‘.ir

005

IME.

rcier

NAA

iii

the

of

these

burnishing

a

flexible

surface,

action

cc

thc

roughlv.

cleaning

scratches

of

the

minute

the

contacts

C

imP

onir

ia.

.o

tlnL

I:

n

relays

from

the

event

that

cahbration,

SECTION

adjust

nients,

SERVICING

the

contacts

strip

resembling

is

so

of

which

the

tCJO

between

contact

marts

delicate

material

The

the

not

or

thus

pick

high

and

r

roded

should

paper

contacts.

particles

that

i

log

OIl

wipe

iecrease

the

I

covered

factory it

is

the

may

tool

of

actual

be cloth. increase

Abrasive

of

preventing

it

operating

must

i’

the

by

completely

found

adjustments

be

followed.

refer

of

the

should

metal

with

super—fine

a

that

will

flexibility

points

cleaned

Knives

insulating

upofany

may

be

the

armature

he

gal)

of

pick

up

Transferred

MAINTENANCE

these

any

that

to

telephone

used.

be

an

scratches

no

be

of

with

arcing

paper

good

of

restored

arm.

readjusted

0.015

time

instruc

of

under

When

Fig.

etched,

removed

the

knives,

or

files

or

cloth

abrasive

contact

the

tele—

and

After

inch.

of

cali

type

This

file.

tool

con—

de—

the

any

the

by

to

5.

of the movable increased

DROP

units

in turned tighten

be and bending

NOTE: completely inch

made

XRTI

renewal prompt damaged.

est specify

give General which

Trip

the

telephone

normally

contact

by

OUT

The

drop

may

the

be

armature.

in

the

Any

change

accompanied

wipe.

the

The

beyond

All

the

with

IAI.

It

is

recommended

parts

replacement

When

Sales

ordering

Office

quantity

complete

Electric

the

relay

Auxiliary

type

closed

arm

reversing

TIME

time

out

adjusted

The

shorter

locknut

after

in

a

by

This

contact

can

operating

residual

but

should

the

face

adjustments

the

tools

RENEWAL

he

carried

renewal

of

the

required,

nameplate

Company

was

furnished.

Relays

units

contacts

slightly.

this

of

by

means

more

the

drop

adjusting

the

residual

readjustment

be

screw

always

of

the

described

supplied

that

of

any

General

name

data.

Type

reduce

by

Pick

procedure.

any

of of

the

out

readily

arm.

must

project

armature.

in

PARTS

sufficient

in

stock

that

are

parts,

If

requisition

NAA

the

bending

UI)

the

residual

time.

the

residual

screw

the

of

accomplished

not

may

the

worn,

address

Electric

of

part

possible,

GEt-74iO2

pressure

the

time

telephone

Be

setting

contact

be

backed

at

least

be

relay

quantities

to

enable

broken

the

Company)

wanted,

give

number

flexible

may

screw

sure

screw.

easily

tool

near

of

be

type

is

to

must

gap

by

off

0.002

kit

of

the

or

and

the

on

•EI-74663

Transferred

Trip

Auxiliary

Relays

Type

NAA

H

\

•

RI

Li

n

H

t

F-n.

i

(Ol2749472-.

1;5

Sh.1

•G

2

15

and

a

-

3127A9472-2

HM

k

2%O(

3OO

°°

Sh.2)

O16

Internal

I

Connections

for

NAA27H

Fornis

1-2-3-4.

GE NAA27H, NAA27J, NAA27K, NAA27L Instructions Manual

Specifications and Main Features

Frequently Asked Questions

User Manual