IL01301016E
IL01301016E
DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY
Installation and Removal Instructions for Series NRX Drawout
Cassette Primary Adapters
Table of Contents
The information, recommendations, descriptions and safety notations in this
document are based on Eaton Electrical Inc. and/or Eaton Corporation’s
(“Eaton”) experience and judgment and may not cover all contingencies. If
further information is required, an Eaton sales office should be consulted.
Description
Page
Section 1: General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Section 2: Rear Mounted Connections . . . . . . . . . . . . . . . . . . . . . . . . 2
Sale of the product shown in this literature is subject to the terms and condi-
tions outlined in appropriate Eaton selling policies or other contractual agree-
ment between Eaton and the purchaser.
Figure 1 Drawout Cassette
(rear view)
THERE ARE NO UNDERSTANDINGS, AGREEMENTS, WARRANTIES,
EXPRESSED OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PAR-
TICULAR PURPOSE OR MERCHANTABILITY, OTHER THAN THOSE SPECIFICAL-
LY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES. ANY
SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON. THE CON-
TENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY
CONTRACT BETWEEN THE PARTIES.
Interphase
(1) Only qualified electrical per-
sonnel should be permitted to
work on the equipment.
Barrier
Dove Tail
Mounting
Slots
(2) Always de-energize primary
and secondary circuits when
performing these procedures.
In no event will Eaton be responsible to the purchaser or user in contract, in
tort (including negligence), strict liability or otherwise for any special, indirect,
incidental or consequential damage or loss whatsoever, including but not limit-
ed to damage or loss of use of equipment, plant or power system, cost of capi-
tal, loss of power, additional expenses in the use of existing power facilities, or
claims against the purchaser or user by its customers resulting from the use of
the information, recommendations and descriptions contained herein.
Primary
Terminal
Pads
(3) Drawout circuit breakers
should should be levered
(racked) out to the Disconnect
position.
Interphase
Barrier
Dove Tail
Mounting
Slots
(4) All circuit breakers should be
switched to the off position and
mechanism springs discharged.
The information contained in this manual is subject to change without notice.
Figure 2 Straight Bus Adapter
Failure to follow these steps for
all procedures described in this
instruction leaflet could result in
death, bodily injury, or property
damage.
Dimensions
inches [mm]
L
Section 1: General
Information
L= 7.69 [195.22]
W= 1.93 [49.02]
D= 0.40 [10.21]
Standard flat primary terminal pads
with tapped holes on the rear of a
drawout cassette provide for a vari-
ety of primary connection configura-
tions. Dove tail shaped mounting
slots are provided for mounting
Eaton supplied interphase barriers
(Figure 1).
ØD
Eaton Corporation
Electrical Group
1000 Cherrington Parkway
Moon Township, PA 15108
United States
W
Figure 3 Universal Bus Adapter
ØD
Dimensions
inches [mm]
877-ETN CARE (877-386-2273)
Eaton.com
PowerChain Management
is a trademark of Eaton
Corporation. All other
Rear connected primary adapters are
available for front and rear bus con-
nections and front cable connections:
L= 2.36 [59.94]
W= 1.96 [49.68]
D= 0.53 [13.46
trademarks are property
of their respective owners.
• Straight Bus Adapter (Figure 2)
• Universal Bus Adapter (Figure 3)
• Cable Adapter (Figure 4)
L
W
© 2008 Eaton Corporation
All Rights Reserved
Printed in USA
Publication No. IL01301016E
October 2008
Effective 10/08
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IL01301016E
IL01301016E
Universal Bus Adapter
Cable Adapter
Proceed with the following 3 steps:
Proceed with the following 4 steps:
Step 1: Bolt a universal bus adapter
to the vertically positioned mounting
holes of a primary terminal pad for a
horizontal bus connection or to the
horizontally positioned mounting
holes for a vertical bus connection as
shown using the hardware provided.
Torque the bolted connection to 120
in-lbs (13.6 N-m) using a torque
wrench.
Step 1: A cable adapter can be bolt-
ed directly to the straight bus
adapter using the hardware provided
as shown. Torque the bolted con-
nection to 240 in-lbs (27 N-m) using
a torque wrench.
.
Step 1
Step 1
Step 2: Complete all six cable
adapter connections (eight for 4-
pole) in a similar fashion. Make cer-
tain that the adapters are mounted
pointing in the proper direction as
shown.
Step 2: Complete all six adapter
connections (eight for 4-pole) in a
similar fashion. The line and load
adapters can be mounted in opposite
directions as shown.
Step 2
Step 3: Reverse the procedure just
described to remove the adapters.
Step 2
Step 3: Reverse the procedure just
described to remove the adapters.
Step 4: When making the actual
cable connections, properly torque
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Effective 10/08
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IL01301016E
IL01301016E
the cable retaining setscrews. Refer
to Table 1 for details specific to cable
adapters available from Eaton.
Periodically check all mounting hard-
ware for proper torque loading. ¨
Cable Retaining
Setscrews
Step 4
Table 1 Available Adapter Details
Catalog①
Wire Range
Cond.
Torque
#
MCM
MM2
Mat’l
in-lbs
N-m
42.4
42.4
42.4
TA700NB1(M) #1-500(2) 50-240(2)
TA1000NB1(M) 3/0-400(3) 95-185(3)
TA1200NB1(M) 4/0-500(4) 120-240(4)
CU/AL
CU/AL
CU/AL
375
375
375
① The “M” suffix at the end of the catalog
number designates metric threads.
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