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Section 1: Introduction
Series NRX with PXR – Type NF Low Voltage Power (Air) Circuit Breaker Instruction Manual
MN013001EN May 2015 www.eaton.com
The fixed configuration is designed for front/rear bus con-
nections . The drawout version, in conjunction with its
drawout cassette, is a through-the-door design having
three breaker positions with the compartment door closed
(CONNECT, TEST, DISCONNECT) and one position out of its
compartment on extension rails (WITHDRAWN) .
Product Labeling and Identification
The circuit breaker nameplate, located on the right side of
the breaker, provides complete rating information and
should always be inspected to ensure the information
shown is in keeping with the product ordered (Figure 1) .
Become familiar with the nameplate .
Figure 1 . Series NRX Nameplate Location .
NAS6163W
Air Circuit Breaker
Frame
Type NF
1600 Ampere Frame
3 Pole
50/60 Hz
Interrupting Ratings
RMS Symetrical Ampere
Ue
Icu kA
Ics kA
240~ 85 50
440~ 85 50
690~ 42 42
Uimp
8 kV Catagory B
Withstand Ratings
RMS Symetrical Ampere
Ue
Icw kA (1 s)
240~ 42
440~ 42
690~ 42
Trip Unit Auxiliary Voltage = 24 Vm
Accessories
Motor Operator
110-125 Vm
Spring Release
110-127 V~, Vm
Latch Check Switch NONE
Shunt Trip #1
110-127 V~, Vm
Shunt Trip #2
NONE
UVR NONE
Auxiliary Switch
NONE
Bell Alarm Sw/OTS NONE
P.O. #
G.O. #
Item #
Seq #
YYMMDD
Cat #
NAS6163WLNDABANENNDX
Enclosure Requirements
68D2555
Installation and Operating
Instructions
MN013001EN
WARNING
Series nrx circuit breakers should not, under any cir-
cumstances, be applied outside their nameplate ratings .
Operation outside of these ratings could result in death,
bodily injury, or property damage .