11
Instruction Leaflet
IL01301008E
Effective June 2015
Installation and removal instructions for Series NRX
undervoltage release, shunt trip, and overcurrent
trip switch in left accessory tray
EATON
www.eaton.com
Step 4e:
Rotate the top end of the terminal block in until it engages
the appropriate flexible mounting tab at the top of the mounting
plate with a clicking sound.
4
3
1 5 7 9
11 13 15 17
19 21 23
25 27
OT1M OT2B
OT2M
ALM1
ALM2
ALMC
OT2C
OT1B
OT1C
N2
G2
G1
N1
SGF1 AGND
CMM2
CMM1
+24V
SGF2
CMM4
CMM3
ZOOM
ZOU
T
UV2
UV1
6 8 1012
14 16 18
20 22
24 26
28 30
32 34
14
13
Figure 41. Step 4
m
IMPORTANT
TO REMOVE RIGHT AND LEFT ACCESSORY TRAYS OR ANY OTHER
ELECTRICAL ACCESSORY, THE APPROPRIATE ACCESSORY CONNECTOR
PLUG MUST FIRST BE DISCONNECTED.
Step 5e:
To remove an accessory plug on a fixed circuit breaker, the
appropriate fixed secondary terminal block must first be removed.
To remove a fixed secondary terminal block, lift up on the small
flexible mounting tab at the top of the fixed terminal block mounting
plate, and rotate the terminal block out in the opposite direction
shown in
Step 4
. Once the terminal block is removed, the accessory
connector plug can be unplugged from the bottom of the terminal
block. Refer to Item 2 and
Figure 37
under the heading “General
information” in this section for detailed assistance with the removal.
Drawout breaker connections
Proceed with the following three steps.
Step 1e:
Become familiar with the drawout secondary plug housing
where secondary connections are made.
otee:
N
Secondary connection points have numerical and descriptive laser-
etched identifications on top of the housing directly matching the plug-in
locations below.
1
2
4
3 5
6
7
8
9
10 12 14 16
11
13
15
17
18
19
20
21
22
CM
M2
AG
ND
SG
F1
G2
N2
N1
AL
M2
AL
M1
OT
2M
OT
2B
OT
1M
UV
2
ST
2
ST
1
UV
1
OT
1C
OT
1B
OT
2C
AL
MC
G1
SG
F2
+2
4V
CM
M1
Figure 42. Step 1
Step 2e:
Plug accessory connector plug into position in the
secondary plug housing matching the laser-etched identification
on top of the housing.
1
2
Figure 43. Step 2
m
IMPORTANT
TO REMOVE RIGHT AND LEFT ACCESSORY TRAYS OR ANY OTHER
ELECTRICAL ACCESSORY, THE APPROPRIATE ACCESSORY CONNECTOR
PLUG MUST FIRST BE DISCONNECTED.
Step 3e:
To remove an accessory connector plug on a drawout circuit
breaker, unplug it from its secondary plug housing. Refer to Item 2
and
Figure 37
under the heading “General information” in this
section for detailed assistance with the removal.
