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)