GE NGV Series Instructions Manual

INSTRU CTIONS
A-C
UNDERVOLTAGE RELAY
TYPE NGV
MODEL 12NGV28B(-)A
INSERT BOOKLET-GEI-90805
INTRODUCTION
DESCRIPTION
NGV28B(-)A
S2
NGV13B(-)A
The
on NGV28B(—)A
NGV28B(-)A VOLTS
FREQUENCY
DROPOUT VOLTS
FORM
CONT.
(HERTZ)
CALIBRATION RANGE
1
120
60
70
-
100
1
S2
2
POWER SYSTEMS MANAGEMENT DEPARTMENT
PNILAIELPRIA. PA.
7iesc instructi ons do not purport to cover all details or variation s
in equipment nor to provide for
as i
pussibJ ciintinqoncq to be met
in
connection with
installat ion, operation or maintenance. Should
ljrthor nftcnatio n be desired or should
particula r
proh.lems arise which are not covered sufficien tly for
the
purcr.laer's purposes, the matter should he rvferred to the General Electric Coyrany.
Tc
the extant required the product.s described herein meet applicable ANSI, lEE'S and N74A standards;
hit no
sueS
assurance is given
with r.pcct to local codes and ordinances because they vary greatly.