Eaton NRX Series Installation And Removal Instructions page 4

Instruction Leaflet IL01301008E
Effective June 2015
Step 3e: Locate the left accessory tray behind the trip unit. For the
NF frame, place a finger on each end of the tray, and slide the tray
to the left for removal. For the RF frame, press the thumb tab down
and slide the tray to the left for removal.
A minimum of 2.00 inches (50.8 mm) for NF frame and 3.00 inches
N otee:
(76.2 mm) for RF frame of side clearance is required on an installed fixed
breaker for tray removal.
Figure 6. Step 3 (NF frame shown)
Thumb tab
Figure 7. Step 3 (RF frame shown)
N otee: The shunt trip (ST) is intended to be mounted on the left side of
the tray, and the undervoltage release (UVR) is intended to be mounted
on the right side.
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EATON www.eaton.com
Installation and removal instructions for Series NRX
undervoltage release, shunt trip, and overcurrent
trip switch in left accessory tray
Step 4e: With the left accessory tray positioned as shown, tilt the
UVR or the ST back to properly position it in the tray.
ST
Figure 8. Step 4 (NF frame shown)
Figure 9. Step 4 (RF frame shown)
Step 5e: Carefully push the other end of the UVR or the ST down into
the tray until a snapping sound is heard. This sound indicates the
accessory is locked in position.
Accessory
locking tab
ST
Figure 10. Step 5 (NF frame shown)
ST