Crompton Instruments PTG4-1-75, PTG4-2-75 Catalog Page

Crompton

lndoor

Voltage Transformer

0.3 WXMYZ, 1.222

WXMY,

0.3

60 Hz

1000 va AT 30'c
750 VA

al55'C. amb.

Elil ililllII'Er:I[EliF.II

60 bs unfused

.
.
.
.

al100ol" rated voltage

1 22 at

58% rated votage wilh

amb

Primary

leminals that are unfused

one lockwasher
Primary

terminals that are flsed

wa"her, 'oc,<was'e'and

'al

Secondary
washer
The
Standards
IEC req!irements

term nals

and lockwasher.

transiormers

CAN 3,C13-N483. This

and flat washer.

uo

are No. 10-32 brass

are tested for

i

with 120V based ANSlburden.

69.3V based ANSI

are %-20 brass screws with

are

%-20

nLls

parlia

discharge to Canadian

test can also be carried outto

burden.

brass

screws wilh one

screws with one flat

The

core and coll assemb

polyurethane
Thermal burden raling

Plated
Fuses have 1.63"
Switchgear slyle is

prov.ded

A test cord is

resin.

steel mounting base.

Dia Caps and 11.50'clip

similarto fused style. No fuse

but irsels'or{JSe

provided

CERTIFICATIONS:

c$Ius

E196364

y

is vacuum

for

is

120 volt secondaries

centerc.

clips are sLppl,ed.

with each unii.

or fuse cl

p

is

H1 H2

.1.

.1"1"'1

xl x2

UI{FUSEI)

't{o

BlrslitiG

H' H2

ec

.il.J

TWO FUSE

65
65
65
65

.

b5

65

PTG4:1-75-113F

P1C4-1-75-123F

H1 H2

'tt

OfiE FUSE

.

PTG4-1-75-113C

p1C4.1.75-123Q

PrG4-1-75-662S

P1.G+1i5:722S

PTG4-1-75-842S

.r.,,::.PTG+1-75.113S,

pTG4-1-75-123S

.,''

Products

are manufactured

in a

plant

whose

qualily

manaoeme0t syslem is certified / reaislered

as beino in conformity with ISO

9001

(a)

I$/o

fuse transformers

neutralterminalusing

reason

(b)

(c)

ofa blown fuse

Voltage

fansformers connected lineto-ground

closed

delta because

Possibility ol ferroreso

lndoor Voltage

should 0ot be used Ior Y

a fuse in the line

in the neutralside.

excersive clrrents may flow in the delta.

nance should be considered.

conneclions. lt is

side of the

primaryonly.

Forcontinuotrs oporatior, tho transformer

cannot be considered to be

P1G4-1-75 PTG4-2-75

Transformer

preterred practice

By using this connection, a

grounding

to connect

primary

transformers and must

load

one

from each voltage

tansrormer can never be made

volt"ge

should not exceed 1100/o

not be opsrated with the secondaries in

transformer direclly to the

from

rated value.

of

the line side by

'live"

Recommended

spacing is lor

appropriate values

test; impulse

test; high

altitude; and other

The

circle diagram

tlansformer

scale ofvol$amperes

(u.p.f.)
diagram,

'zero

po\
locus in

for various loads

and commences

measure

locus

of a length

/er factor.

The

phase

angle minutes and ratio

guidance

assure

humidity;

perlormance

partial

to

considerations like

can be used

is

shown on the unity

at the zero

the known V.A.

predict

to

potier

and

or no-load locus. To

and scribe an

that contains

point

at which the arc

only.

User needs to set

high

potential

for:

discharge, high

configuration.

performance

the

factors.

A convenient

power

factor

line
use the

arc about the

the angle ofthe burden

terminates is the error

correction factor.

of a

Producls

are manufactured

in a

plant

whose

quality

management system is

certified / reoistered

as beino in conformity with lSO

gOOl