Eaton NRX Series User Manual

6
Series NRX Low Voltage Power (Air)
Circuit Breakers User Manual
EATON CORPORATION www.eaton.com
Instructional Book MN01301003E
Effective July 2011
The circuit breaker can be identified by a 20-digit catalog number located on the name plate (Figure 2). The drawout cassette can be identified by
a 14-digit catalog number (Figure 2a). An overview of the Catalog number code is provided for reference.
Figure 2. Series NRX Catalog Numbering System (continued on next page)
Series NRX Breaker Catalog Numbering System
Basic Device Selection Overcurrent Protection Breaker Options
(Postion 1-8) (Postion 9-11) (Postion 12-20)
Positions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Example R E S 8 4 0 3 W 5 2 G A B A N 4 X N D X
Position 1 Breaker Frame Size
N Type NF 630 to 1600A
R Type RF 800 to 4000A
Position 2 Industry Standard
E IEC 60947-2
Position 3, 4 Switching Capacity
S4 42kA at 440Vac IEC
S5 65kA at 440Vac IEC
S6 65 / 66kA at 440Vac IEC
S8 85kA at 440Vac IEC
SC 105kA at 440Vac IEC
Position 5, 6 Rated Operational Current
07 630A Frame
08 800A Frame
10 1000A Frame
13 1250A Frame
16 1600A Frame
20 2000A Frame
25 2500A Frame
32 3200A Frame
40 4000A Frame
Position 7 Poles & Phasing
3 3-Pole ABC
4 4-Pole NABC
Position 8 Mounting Config.
W Drawout
B Fixed
Electronic Trip Unit Selection Protection ZSI ARMS Position
9-10
No Protection - Switch Disconnector
None SW
Digitrip 520 - System Protection
LI protection only LI 22
Digitrip 520 - Selective Protection
LSI -- 52
LSI(G) LSI ZSI 53
-ZSI Optional LSIG -- 5G
LSIG ZSI 5H
Digitrip 520M - Universal Protection
LSI -- -- M2
LSI(G/A) LSI ZSI -- M3
- Metering LSIA -- -- MA
- Communications Ready LSIA ZSI -- MB
- Ext. Power Ready 24Vdc LSIG -- -- MG
- ZSI Optional LSIG ZSI -- MH
- ARMS Optional LSI -- ARMS R2
LSI ZSI ARMS R3
LSIA -- ARMS RA
LSIA ZSI ARMS RB
LSIG -- ARMS RG
LSIG ZSI ARMS RH
Digitrip 1150i - Power Measurement
LSI -- -- 12
520M Proection + LCD Color Display LSI ZSI -- 13
Advanced metering & protective features LSIGA -- -- 14
LSIGA ZSI -- 15
LSI -- ARMS 16
LSI ZSI ARMS 17
LSIGA -- ARMS 18
LSIGA ZSI ARMS 19
Position 11 Rating Plug (Amperes)
0 Non-Auto Switch
1 200
2 250
3 300
4 400
8 800
A 1000
C 1250
D 1600
M 2000
N 2500
Q 3200
R 4000

Eaton NRX Series Specifications

General

Brand	Eaton
Model	NRX Series
Category	Circuit breakers
Language	English