Eaton NRX Series User Manual

2
Series NRX Low Voltage Power (Air)
Circuit Breakers User Manual
EATON CORPORATION www.eaton.com
Instructional Book MN01301003E
Effective July 2011
Contents
Description Page
Contents 2
List of figures 2
List of tables 3
Section 1: Introduction 4
Section 2: Receiving, unpacking, and inspection 13
Section 3: Breaker General Operation 16
Section 4: Circuit Breaker Features and Accessories 21
Section 5: Dimensional Drawings for Installation of Drawout Circuit Breaker and Cassette 28
Section 6: Inspection and Maintenance 44
Section 7: Troubleshooting 47
List of gures
Figure 1. Series NRX Nameplate Location 5
Figure 2. Series NRX Catalog Numbering System 6
Figure2a. Series NRX Type RF-Frame Cassette Catalog Numbering System 8
Figure 3. Typical NRX Drawout Circuit Breaker 9
Figure 4. Typical NRX Drawout Cassette 10
Figure 5. Typical NRX Fixed Circuit Breaker 11
Figure 6. Typical NRX Drawout Circuit Breaker Front Cover 12
Figure 7. Step 1 13
Figure 8. Step 3 13
Figure 9. Step 3 15
Figure 10. Step 1 16
Figure 11. Step 2 16
Figure 12. Step 3 16
Figure 13. Step 4 17
Figure 14. WITHDRAWN Position 17
Figure 15. DISCONNECT Position 17
Figure 16. TEST Position 18
Figure 17. CONNECT Position 18
Figure 18. Step 2 18
Figure 18a. Step 2 18
Figure 19. Step 3 19
Figure 20. Step 4 19
Figure 21. Step 1 19
Figure 22. Step 2 20
Figure 23. Step 3 20
Figure 24. Step 3 20

Eaton NRX Series Specifications

General

Brand	Eaton
Model	NRX Series
Category	Circuit breakers
Language	English