Application Guide

Section 5876 Installation Instructions
Issue AT, April 26, 2013 Spec. No. 582140000 (Models 802
NLDB, 802NLEB and 802NL-B)
Page 3-2 Chapter 3. Installing Distribution Devices and MCA/LMS Circuit Cards
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and Figure 3-6 for load lug adapter selection. Hardware build-up is 1/4 inch flat
washer, 1/4 inch lock washer, and 1/4-20 nut. Torque to 84 in-lbs. Note that
Bullet Nose-Type devices do not require load lug adapter plates.
Installing 218 Circuit Breakers and TPL
Fuseholders into Distribution Only Bays
Note: Each distribution bus is divided into half, and each half MUST be populated with
distribution devices as shown in the following illustrations, without skipping any
distribution device mounting positions within each half.
Procedure
1) Orient the device over its mounting location as shown in Figure 3-3. Slide the
device over the left and right mounting studs, and plug the device into the mating
connector located on the bay. Ensure correct alignment of the mating pins as
you plug the device in.
2) Place a Belleville lock washer and 3/8-16 nut on each inner stud.
Hand-tighten.
3) Place a flat washer, lock washer, and 1/4-20 nut on each outer stud.
Hand-tighten.
4) Torque the inner 3/8-16 nuts to 180 in-lbs.
5) Torque the outer 1/4-20 nuts to 84 in-lbs.
6) Install Load Lug Adapter plates as required. Refer to Figure 3-4 for location and
the numbering scheme for the load lug mounting locations. Refer to Figure 3-5
through Figure 3-6 for load lug adapter selection and installation details. Note
that 1-pole devices do not require load lug adapter plates. Note that Bullet
Nose-Type devices CANNOT be used in Distribution Only Bays.
Installing TPL Fuses
Refer to Figure 3-7.
Procedure
1) Remove the fuseholder portion from the mounted fuseholder body by grasping its
handle and pulling it straight out. Install the TPL fuse into the fuseholder portion.
Secure the fuse with the flat washer, lock washer, and nut provided.
Recommended torque is 168 in-lbs. When done, push the fuseholder portion
securely back into the mounted fuseholder body.
2) Ensure an alarm fuse is installed in the GMT-type fuseholder located adjacent to
the TPL fuseholder. The alarm fuse should be a Bussmann GMT 18/100 ampere
alarm fuse. Emerson Network Power P/N 248610301.
3) Ensure a safety fuse cover is installed on the GMT alarm fuse. Emerson
Network Power P/N 248898700.