Eaton Digitrip 520M Manuals

Manuals and User Guides for Eaton Digitrip 520M. We have 1 Eaton Digitrip 520M manual available for free PDF download: Instructional Leaflet

Eaton Digitrip 520M Instructional Leaflet

Eaton Digitrip 520M Instructional Leaflet (40 pages)

Trip units for use only in Magnum and Magnum DS circuit breakers

Brand: Eaton | Category: Circuit breakers | Size: 4.95 MB

Table of Contents

Table of Contents
2
Dtscripoinn Pagt
2
List of Figures
3
List of Tables
4
Section 1: General Description of Digitrip Trip Units
5
Section 2: General Description of Magnum Circuit Breakers
11
Section 3: Principles of Operation
17
- General
  17
- Trip and Operation Indicators
  17
- Making Current Release
  17
- Zone Interlocking
  17
Section 4: Protection Settings
22
- General
  22
- Long Delay Current Setting
  22
- Long Delay Time Setting
  23
- Short Delay Current Setting
  23
- Short Delay Time Setting
  23
- Instantaneous Current Setting
  24
- Ground Fault Current Setting
  24
- Ground Fault Time Delay Setting
  24
- INCOM (Digitrip 520MC Models Only)
  25
Section 5: Test Procedures
26
- General
  26
- When to Test
  26
- Functional Field Testing
  26
- Primary Injection
  27
Section 6: Trip Unit Battery
29
- General
  29
- Battery Check
  29
- Battery Installation and Removal
  29
Section 7: Frame Ratings (Sensor Ratings and Rating Plugs)
30
Section 8: Record Keeping
30
Section 9: References
31
- Time-Current Curves
  31
Section 10: Digitrip 520MC with Maintenance Mode
32
- General
  32
- Maintenance Mode Settings
  32
- Arming Maintenance Mode
  32
- Remote Indicator
  32
- Choosing the Reduction Setting
  32
- Tripping and Testing
  32
Appendix A: Zone Interlocking Examples
34
Appendix B: Troubleshooting Guide
36
Appendix C: Typical Breaker Master Connection Diagram
37
Appendix D: Modbus Translator Wiring
38

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