4
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) .