Eaton NRX Series User Manual

3
Instructional Book MN01301003E
Effective July 2011
Series NRX Low Voltage Power (Air)
Circuit Breakers User Manual
EATON CORPORATION www.eaton.com
List of gures (continued)
Description Page
Figure 25. Installed Digitrip 520 Trip Unit 21
Figure 26. Secondary Point Identifications 22
Figure 27. Secondary Terminal Blocks 23
Figure 28. Weidmuller Plug and Crimp Contact 24
Figure 29. Extraction Tool in Use 24
Figure 30. Left Accessory Tray 24
Figure 31. Right Accessory Tray 24
Figure 32. 3-Pole Drawout Cassette – Rear/Bottom Views 28
Figure 33. 3-Pole Drawout Cassette – CONNECTED/TEST Positions 29
Figure 34. 3-Pole Drawout Cassette – DISCONNECT/WITHDRAWN 30
Figure 35. 3-Pole Drawout Cassette – Top/Side Views with 800-3200A Horizontal Bus Adapters 31
Figure 36. 3-Pole Drawout Cassette – Top/Side Views with 800-3200A Vertical Bus Adapters 32
Figure 37. 3-Pole Drawout Cassette – Top/Side Views with 4000A Horizontal Bus Adapters 33
Figure 38. 3-Pole Drawout Cassette – Top/Side Views with 4000A Vertical Bus Adapters 34
Figure 39. 3-Pole Drawout Cassette – Front View Door Cutout Details 35
Figure 40. 4-Pole Drawout Cassette – Rear/Bottom Views 36
Figure 41. 4-Pole Drawout Cassette – CONNECTED/TEST Positions 37
Figure 42. 4-Pole Drawout Cassette – DISCONNECT/WITHDRAWN 38
Figure 43. 4-Pole Drawout Cassette – Top/Side Views with 800-3200A Horizontal Bus Adapters 39
Figure 44. 4-Pole Drawout Cassette – Top/Side Views with 800-3200A Vertical Bus Adapters 40
Figure 45. 4-Pole Drawout Cassette – Top/Side Views with 4000A Horizontal Bus Adapters 41
Figure 46. 4-Pole Drawout Cassette – Top/Side Views with 4000A Vertical Bus Adapters 42
Figure 47. 4-Pole Drawout Cassette – Front View Door Cutout Details 43
Figure 48. Typical Nameplate Information 45
Figure 49. Step 1 46
Figure 50. Step 2 46
Figure 51. Step 4 46
List of tables
Description Page
Table 1. Transport Indicator 13
Table 2. Suggested Lifting Procedures and Precautions 14
Table 3. Approximate Weights 15
Table 4. Series NRX Digitrip Trip Units 21
Table 5. Customer Wiring Details 23
Table 6. Inspection Frequency 44
Table 7. Circuit Breaker Troubleshooting Guide 47

Eaton NRX Series Specifications

General

Brand	Eaton
Model	NRX Series
Category	Circuit breakers
Language	English