7
Instructional Book
MN01301003E
Effective July 2011
Series NRX Low Voltage Power (Air)
Circuit Breakers User Manual
EATON CORPORATION
www.eaton.com
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
110-125 VAC/DC
T
208-250 VAC/DC
L 24VDC
H 48VDC
S 60VDC
Position 14
Spring Release
Latch Check Switch
N
No Spring Release No LCS
A
110-127 VAC/DC
No LCS
B
110-127 VAC/DC
Spring Release LCS
C
110-127 VAC/DC
LCS Wired External
R
208-240 VAC/DC
No LCS
S
208-240 VAC/DC
Spring Release LCS
T
208-240 VAC/DC
LCS Wired External
L
24 VDC
No LCS
P
24 VDC
Spring Release LCS
Q
24 VDC
LCS Wired External
H
48 VDC
No LCS
J
48 VDC
Spring Release LCS
K
48 VDC
LCS Wired External
1
60 VDC
No LCS
2
60 VDC
Spring Release LCS
3
60 VDC
LCS Wired External
Position 15
UVR, Second Shunt Trip
N None
A
110-125 VAC/DC UVR
R
220-250 VAC/DC UVR
L
24 VDC UVR
H
48 VDC UVR
S
60 VDC UVR
G
32 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
N
No Aux Switches
2
2 Form C (2a/2b)
4
4 Form C (4a/4b)
6
6 Form C (6a/6b)
8
8 Form C (8a/8b)
A
10 Form C (10a/10b)
W
12 Form C (12a/12b)
Position 17 Trip
Bell Alarm/ Secondary
Remote
Indicator
OTS
Terminal Blocks
Reset
N
None
None
Per Breaker Options none
X
Trip Indicator
None
Per Breaker Options none
Z
Trip Indicator
2 Form C
Per Breaker Options none
M
Interlock Trip Indicator None
Per Breaker Options none
A
Interlock Trip Indicator None
Per Breaker Options 24Vdc
B
Interlock Trip Indicator None
Per Breaker Options 120Vac
C
Interlock Trip Indicator None
Per Breaker Options 240Vac
Y
Interlock Trip Indicator 2 Form C
Per Breaker Options none
D
Interlock Trip Indicator 2 Form C
Per Breaker Options 24V RR
E
Interlock Trip Indicator 2 Form C
Per Breaker Options 120V RR
F
Interlock Trip Indicator 2 Form C
Per Breaker Options 240V RR
1
None
None
Full-Compliment
No RR
2
Trip Indicator
None
Full-Compliment
No RR
3
Trip Indicator
2 Form C
Full-Compliment
No RR
4
Interlock Trip Indicator No OTS
Full-Compliment
No RR
J
Interlock Trip Indicator No OTS
Full-Compliment
24V RR
K
Interlock Trip Indicator No OTS
Full-Compliment
120V RR
L
Interlock Trip Indicator No OTS
Full-Compliment
240V RR
5
Interlock Trip Indicator 2 Form C
Full-Compliment
No RR
R
Interlock Trip Indicator 2 Form C
Full-Compliment
24V RR
S
Interlock Trip Indicator 2 Form C
Full-Compliment
120V RR
T
Interlock Trip Indicator 2 Form C
Full-Compliment
240V RR
Position 18 PadLocking, Operations Counter
N
No PB Covers
No Counter
A
No PB Covers
Counter Provided
B
PB Covers (plastic/plastic)
No Counter
J
PB Covers (plastic/plastic)
Counter Provided
K
PB Covers, (metal/metal)
No Counter
L
PB Covers, (metal/metal)
Counter Provided
5
PB Covers, (metal/metal), Safe-Off
No Counter
6
PB Covers, (metal/metal), Safe-Off
Counter Provided
Position 19 Drawout Breaker Options
Breaker configuration
Shutters Terminal Adapters
D Drawout Breaker Shipping Alone n/a
n/a
C Drawout Breaker in Cassette
none
No Terminals
1 Drawout Breaker in Cassette
none
Vertical
2 Drawout Breaker in Cassette
none
Horizontal
8 Drawout Breaker in Cassette
none
Front Connect
j
9 Drawout Breaker in Cassette
Shutters No Terminals
4 Drawout Breaker in Cassette
Shutters Vertical
5 Drawout Breaker in Cassette
Shutters Horizontal
7 Drawout Breaker in Cassette
Shutters Front Connect
j
Fixed-Mount - Terminal Adapter Options
K None
(Terminals recomended for 4000A frame)
F Vertical
H Horizontal
B Front Connect
Position 20
X Future
j
Terminals ship as kit with breaker and cassette (option not available with 4000A Frame Rating)
Series NRX Breaker Catalog Numbering System
Figure 2. Series NRX Catalog Numbering System (continued from previous page)