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D I R ECTIONAL OV ERCU R R E N T GROUND R E LAYS
ITATUMI IUS
•
111 •
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SUUIATII' TUIISFOUEI
SEC.
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M .. ,_. CIMI&T MIAIII
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1C
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9.
Fig.
External Schematic of the Type KRD Relay.
RANGE
. 5- 2
1-4
2-8
4- 1 6
HHO
.... . uu.r
ll'ft iiD
IUI"'UDT WilT . TYf( ltD
__. IIDILIAn' CII T ACT
.ual IIIP .IL
183A9 70
RAT I NG OF OVERCURRENT U N I T
CONTI NUOUS RAT I NG AMP E R ES
5
8
8
10
10
may be desired on some installations in order tO in
sure that the relay will always trip the breaker on
zero potehtiaL
Ind i cat i n g Contactor S w i tch ( I CS)
Adjust the contact gap for approximately
( - 1/ 64 " , +0).
Close the main relay contacts and check to see
that the relay picks up and the target drops between
and
amperes d-e.
1
1 . 2
To increase the pickup current remove the molded
cover and bend the springs out or away from the cover.
To decrease the pickup current bend the springs
toward the cover.
R E N E W A L
Repair work can be done most satisfactorily at
the factory.
However, interchangeable parts can be
furnished to the customers who are equipped for
doing repair work.
When ordering parts, always give
the complete nameplate data.
ONE SE COND R AT I NG AMP E R E S
200
200
5/6 4 "
P A R T S
100
140
140
in
l3
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