Eaton Cutler-Hammer Digitrip 520MC Manuals

Manuals and User Guides for Eaton Cutler-Hammer Digitrip 520MC. We have 3 Eaton Cutler-Hammer Digitrip 520MC manuals available for free PDF download: Instructions Manual, Instructional Leaflet, Manual

Eaton Cutler-Hammer Digitrip 520MC Instructions Manual (40 pages)

Trip Units for use in Magnum and Magnum DS Circuit Breakers

Brand: Eaton | Category: Power distribution unit | Size: 3.85 MB

Table of Contents
1
1 General Description of Digitrip Trip Units

2
- Protection
  5
- Mode of Trip and Status Information
  5
- Installation and Removal
  5
- Wiring
  7
- Plexiglass Cover
  7
- Ground Alarm/Power Supply Module
  7
  - (520M & 520MC Models Only)
    7
  - Auxiliary Power
    7
  - Ground Alarm
    7
  - Ground Fault Trip
    7
  - Ground Fault Alarm
    7
  - High Load Alarm
    7
- Display Feature (520M and 520MC Only)
  8
- Standards
  8
2 General Description of Magnum Circuit Breakers

8
- General
  8
- Low Energy Trip Actuator
  9
- Ground Fault Protection
  9
  - General
    10
  - Residual Sensing
    10
  - Source Ground Sensing
    10
  - Zero Sequence Sensing
    10
  - Multiple Source/Multiple Ground
    10
  - Ground Fault Settings
    11
- Current Sensors (Magnum Frames Less than or Equal to 3200A)
  11
- Current Sensors (Magnum Frames Greater than 3200A)
  11
3 Principles of Operation

11
4 Protection Settings

21
- General
  21
- Long Delay Current Setting
  21
- Long Delay Time Setting
  22
- Short Delay Current Setting
  22
- Short Delay Time Setting
  22
- Instantaneous Current Setting
  22
- Ground Fault Current Setting
  23
- Ground Fault Time Delay Setting
  23
- INCOM Communications (520MC Model Only)
  23
5 Test Procedures

25
- General
  25
- When to Test
  25
- Functional Field Testing
  25
  - Field Test Kit
    25
  - Handheld Functional Test Kit
    25
    
    Description of Handheld Test Kit
    26
    
    Test Procedure
    26
    
    Currents
    26
    
    Batteries
    26
  - Code Requirements
    26
  - Standards Requirements
    26
  - General Test Instructions
    26
- Performance Testing for Ground Fault Trip Units - Primary Injection
  27
6 Battery

28
- General
  28
- Battery Check
  28
- Battery Installation and Removal
  28
7 Frame Ratings

29
8 Record Keeping

29
9 References

29
- Magnum and Magnum DS Circuit Breakers
  29
- Time-Current Curves
  29
Appendix A Zone Interlocking Examples

33
Appendix B Troubleshooting Guide

35
Appendix C Typical Breaker Master Conn. Diagram

37
Appendix D Modbus Translator Wiring

38

Eaton Cutler-Hammer Digitrip 520MC 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
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

Eaton Cutler-Hammer Digitrip 520MC Manual (6 pages)

with Maintenance Mode

Brand: Eaton | Category: Industrial Electrical | Size: 1.05 MB

Eaton Categories

UPS Circuit breakers Industrial Equipment

Switch Industrial Electrical

More Eaton Manuals

Eaton Cutler-Hammer Digitrip 520MC Manuals

Eaton Cutler-Hammer Digitrip 520MC Instructions Manual (40 pages)

Table of Contents

1 General Description of Digitrip Trip Units

2 General Description of Magnum Circuit Breakers

3 Principles of Operation

4 Protection Settings

5 Test Procedures

6 Battery

7 Frame Ratings

8 Record Keeping

9 References

Appendix A Zone Interlocking Examples

Appendix B Troubleshooting Guide

Appendix C Typical Breaker Master Conn. Diagram

Appendix D Modbus Translator Wiring

Eaton Cutler-Hammer Digitrip 520MC Instructional Leaflet (40 pages)

Table of Contents

Eaton Cutler-Hammer Digitrip 520MC Manual (6 pages)

Table of Contents

Related Products

Eaton Categories