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3 .
Remove the screw from the other ta p and place it in the left stationa r �
contact.
Du ring relay o peration , ta p screws should not be in both taps at the s ame time. ·If
they are , picku p will occur at the higher tap value.
ta p screw in the 2. 0 amp tap.
IRT5 1F:
The auxiliary circuit fo r the I RT5 1 F may be u sed with 1 20 o r 240 volts AC , 5 0
o r 6 0 hertz; o r with 1 25 o r 25 0 volt DC * .
accomodate these
selection link which is located internally to the relay and may be ea sily seen when
viewing the to p of the relay unit when the relay is removed from its case.
The voltage level selection link is labeled
po sition is to be u sed for 1 20/1 2 5 volts * .
240/2 5 0 volts * .
loo sening the thumb screws and re po sitioning the link in the desired po sition.
link sho uld not be permitted to connect the "LOW" and "HIGH" po sitions together.
this is d one , the auxiliary circuit will be dis abled and will not o pe rate .
The IRT5 1F relay also h a s a s et of convertible contacts on te rminals 9 and 1 0.
If a no rmally- clo sed contact is desired , connect the green lead to terminal 9 .
no rmally- o pen contact is desi red; the g reen lead should be connected to terminal 1 0.
There is a sho rting ba r between terminal s 9 and 1 0.
to
protect current transfo rmer
connection plug i s removed.
*
S ome models of I RT5 1 F ( -)A relays are rated at 1 1 0/220 VAC o r DC.
IRT5 1G and IRT5 1 H:
The auxilia ry circuit fo r the IRT5 1 G and IRT5 1 H relays is the most ver s atile of
all of the IRT auxiliary circuits.
6 0 hertz; o r with 1 2 5 o r 250 volts DC.
If 1 20 or 1 25 volts is to be u sed , a pply power to terminals 1 and 2.
higher voltage ( 24 0 o r 2 5 0 volts) is to be used , a p ply power to te rmin als 1 and 3.
The I RT5 1 G and IRT5 1 H relays have a 0. 2/2. 0 am p DC ta rget seal-in unit that is
u sed
in
a
overtempe ratu re condition is sen sed.
unit , see the disc us sion in the Auxilia ry Circuit Connection s section fo r IRT5 1 E.
There a re two no rmally-o pen
contacts in the auxiliary circuit.
conjunction
overtemperatu re condition is fi rst sensed.
two conditions are met:
•
different
power
The voltage level s election link
This sho rting bar may be removed if it is not u sed.
circuit
with
a
no rmally- o pen
with
a
ta rget
seal-in
G E K-86038
The relays a re ship ped with the
The only a djustment that must be made to
s u p plies is the
11LOW" and "HIGH. "
The "HI GH" position i s to be u sed fo r
circuits
from being
It may be used with 1 20 or 240 volts AC , 5 0 o r
contact
Fo r complete info rmation on the ta rget seal-in
and two no rmally-closed , elect rically sepa rate
One of the no rmally- o pen contacts is u sed in
unit.
The contact
They will stay in this new state until
1 2
po sition of a voltage level
po sition can be changed
This sho rting bar is u sed
o pened
whenever the
See Table 1.
which
will
clo se
states
change
The "LOW"
by
The
If
If a
relay
If a
when
an
when
an
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