
3
Technical Data TD013014EN
Effective May 2021
Power Defense Insulated Case Circuit
Breaker NRX NF and RF Renewal Parts
EATON www.eaton.com
Table 2. Cassette shutter field option kits
Field-installable option kit for drawout cassette for installation by customer.
Number
of poles Frame Shutter kit catalog number
Three-pole N-frame SHTR3P
Four-pole N-frame SHTR4P
Three-pole R-frame RFSHTR3P
Four-pole R-frame RFSHTR4P
Table 3. Power Defense ICCB breaker control replacement parts and kits
These parts are not compatible with the NRX with digitrip breakers. See Appendix A.
Catalog number
Description Control voltage N-frame R-frame
Shunt trip field option kits a110-127 Vac/Vdc IZMX-ST110AD-1 IZMX-ST110AD-1
208-250 Vac/Vdc IZMX-ST230AD-1 IZMX-ST230AD-1
24 Vdc IZMX-ST24DC-1 IZMX-ST24DC-1
48 Vdc IZMX-ST48DC-1 IZMX-ST48DC-1
60 Vdc IZMX-ST60DC-1 IZMX-ST60DC-1
Motor operator field option kits 110-127 Vac/Vdc IZMX-M16-110AD-1 IZMX-M40-110AD-1
208-250 Vac/Vdc IZMX-M16-230AD-1 IZMX-M40-230AD-1
24 Vdc IZMX-M16-24DC-1 IZMX-M40-24DC-1
48 Vdc IZMX-M16-48DC-1 IZMX-M40-48DC-1
60 Vdc IZMX-M16-60DC-1 IZMX-M40-60DC-1
Spring release device field option kits 110-127 Vac/Vdc IZMX-SR110AD-1 IZMX-SR110AD-1
208-250 Vac/Vdc IZMX-SR230AD-1 IZMX-SR230AD-1
24 Vdc IZMX-SR24DC-1 IZMX-SR24DC-1
48 Vdc IZMX-SR48DC-1 IZMX-SR48DC-1
60 Vdc IZMX-SR60DC-1 IZMX-SR60DC-1
Undervoltage release field option kits 110-127 Vac/Vdc IZMX-UVR110AD-1 IZMX-UVR110AD-1
208-250 Vac/Vdc IZMX-UVR220AD-1 IZMX-UVR220AD-1
24 Vdc IZMX-UVR24DC-1 IZMX-UVR24DC-1
48 Vdc IZMX-UVR48DC-1 IZMX-UVR48DC-1
60 Vdc IZMX-UVR60DC-1 IZMX-UVR60DC-1
Latch check switch for wiring internally to spring release —IZMX-LCS-SR-1 IZMX-LCS-SR-1
Latch check with 1 Form C contact for remote indication —IZMX-LCS-1 IZMX-LCS-1
Mechanical pop-out trip indicator option kit (no contacts) —MTKIT RFMTKIT
Bell alarm/OTS contact field option kit (2 Form C contacts) —IZMX-OTS16-1 IZMX-OTS40-1
Auxiliary switch, 2 form C contacts, short leads (5.5 ins) —IZMX-AS22-16-1 IZMX-AS22-16-1
Auxiliary switch, 2 form C contacts, long leads (9.5 ins) ——IZMX-AS22-4O-1
Mechanical counter —NCOUNTERKIT RCOUNTERKIT
Cell switch (left for NF, left or right for RF) —IZMX-CS16-1 IZMX-CS40-1
a Shunt trips are rated for continuous duty
For use with breakers that have mechanical pop-out indicator option already installed.
ote:N All accessories include the required number of terminal blocks to install. See appendix B for a list of installation instruction document numbers that are
available on eaton.com.
Cassette
cell switch
Auxiliary switch Latch check switch Mechanical trip
indicator
Latch check switch Operations counter