Installation - GE IAC51V Instructions Manual

2
Fig. IS (X-6209663 [8])
the Type IACS2B Relay (Front View)
LOCATION
The location should
dust and excessive vibration, and well lighted to
facilitate inspection and testing.
MOUNTINQ
The relay should be mounted on a vertical
surface. The outline and panel diagrams are shown
21.
in Figs. 20 a nd
CONNECTIONS
Internal connection diagrams for the various
relay types are shown in Fig.
Typical wiring diagrams ar e giv e n in Fig.
inclusive.
One of the mounting s
permanently grounded
B&S
No. 12 gage copper wire or its equivalent.
INSPICTION
At the time of installation, the relay should be
inspected for tarnished contacts, loose screws, or
other imperfections.
should be corrected in the manner described under
MAINTENANCE.
CAUTION:
liary brush. is
Every circuit in the drawout case has an auxi­
It especially important on current
UNIT
INSTANT,
IT
INDUCTION
UN
UN
I NSTANT,
IT
" *
S�ORT riNGER
Internal Connections for

INSTALLATION

be
clean and dry, free from
11 17
to inclusive.
4
s
tu or screws should be
by a
d
conductor not less than
If
any trouble is found, it
Time Overcurrent Relays Type lAC
TIMER
TO
"STOP"
0
6 7
VARIABLE RESISTOR
10
MIN. REC().t.IENDED
120 AT RATED FREQUENCY
Fig. 16 (K-6154399-7) Testing Connections for
Type lAC Rel�s such as Type IAC51A
circuits and other circuits with shorting bars that
the auxiliary brush be bent high enough to engage
the connecting plug or test plug before the
brushes do. This will prevent CT secondary cir­
cuits from being opened.
CONNECTING PLUG
to 6
NOTE: AFTER ENGAGING AUXILIARY BRUSH,
1/4
BLOCK.
TRAVELS INCH
rHE TERMINAL
17
Showing Position of Auxiliary Brush.
(8025039)
Fig.
TO INDICATING LIGHT
WHEN CHECKING PICKUP
--
OF MAIN UNIT
TO INDICATING LIGHT WHEt
--
__..
CHECKING PICKUP OF
---
INSTANTANEOUS UN IT
0
3
6
4 5
0 0 0
8 9 10
X LA13 TEST PLUG
TO TIMER
"START"
All ACCURATELY REPRO!lJCE SHOU
TO
�WITH
RELAY CHARACTEfll STI CS
L D
TESTS
RELAY IN CASE.
VOLTS,
MAIN BRUSH CONNE CTING BLOCK
CONNECTING PLUG
BEFORE
ENGAGING THE MAIN BRUSH
Cross Section of Drawout Case
GEH-1753
BE
main
ON
11