9
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
Section 5: Removal of overcurrent trip from
left accessory tray
Proceed with the following six steps.
Step 1e:
If necessary, remove the front cover from the breaker by
first performing
Step 1
and
Step 2
of Section 2.
Step 2e:
Locate the left accessory tray behind the trip unit and
disconnect the appropriate secondary connections as described
in Section 6.
Connected secondary
connectors
Figure 31. Step 2 (NF frame shown)
Step 3e:
Once the secondary leads are disconnected, finger depress
tabs on each end of the NF frame tray and slide it to the left as
shown for removal. For the RF frame tray, press the thumb tab down
and slide the tray to the left for removal.
otee:
N
A minimum of 2.00 inches (50.8 mm) for NF frame and 3.00 inches
(76.2 mm) for RF frame of side clearance is required on an installed fixed
breaker for tray removal.
Figure 32. Step 3 (NF frame shown)
Thumb tab
Figure 33. Step 3 (RF frame shown)
Step 4e:
With the left accessory tray positioned as shown, pull back
on the locking tab of each OTS switch to unlock them from the left
accessory tray.
Accessory locking tabs
Figure 34. Step 4 (NF frame shown)
Accessory
locking tabs
Figure 35. Step 4 (RF frame shown)
Step 5e:
Remove both OTS switches by lifting them upward and out
of the tray.
Step 6e:
If the tray will have a new two OTS switch combination
installed, follow
Step 2
through
Step 7
of Section 4. If not, just
complete
Step 4
through
Step 7
of Section 4.
