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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
Position 14 Spring Release/Latch Check Switch (LCS)
N No Spring Release, No LCS
A 110-127 Vac/dc, No LCS
B 110-127 Vac/dc, With LCS
C 110-127 Vac/dc, External LCS
R 208-240 Vac/dc, No LCS
S 208-240 Vac/dc, With LCS
T 208-240 Vac/dc, External LCS
L 24 Vdc, No LCS
P 24 Vdc, With LCS
Q 24 Vdc, External LCS
H 48 Vdc, No LCS
J 48 Vdc, With LCS
K 48 Vdc, External LCS
1 60 Vdc, No LCS
2 60 Vdc, With LCS
3 60 Vdc, External LCS
Position 15 UVR, Second Shunt Trip
N None
A 110 - 125 Vac/dc, UVR
R 208 - 240 Vac/dc, UVR
L 24 Vdc UVR
H 48 Vdc UVR
S 60 Vdc UVR
1 110 - 127 Vac/dc, Second Shunt Trip
2 208 - 240 Vac/dc, Second Shunt Trip
4 24 Vdc Second Shunt Trip
8 48 Vdc Second Shunt Trip
9 60 Vdc Second Shunt Trip
Position 16 Auxiliary Switches
E No Aux. Switches, No Label (Parent)
2 2 Form C, English
4 4 Form C, English
N None
Figure 2. Series NRX with PXR Catalog Numbering System (Continued).
Position 11 In (Amps) – For PXR
1 200
2 250
3 300
4 400
5 500
6 600
7 630
8 800
A 1000
B 1200
C 1250
D 1600
Position 12 Shunt Trip
N No Shunt Trip
A 110-127 Vac/dc
R 208-240 Vac/dc
L 24 Vdc
H 48 Vdc
S 60 Vdc
Position 13 Motor Operator
M Manually Operated
B 110-127 Vac/dc
W 110 - 125 Vdc
T 208-250 Vac/dc
P 220 - 250 Vdc
L 24 Vdc
H 48 Vdc
S 60 Vdc
Figure 2. Series NRX with PXR Catalog Numbering System (Continued).