Four-Pole 3200A Frame (4000A IEC) Using Residual Ground Fault (Earth-Fault) Sensing Figure 11. Digitrip Neutral Sensor Types (or Source Ground Sensor).14 Figure 10. Neutral Sensor Connections for 4000A Frame Using Residual Ground Fault Sensing Figure 9. Three-Pole, Four-Wire Breaker with Neutral Sensor Connections for 3200A Frame Using Residual Ground Fault Sensing Figure 8. Tripping Circuit for a Typical Magnum Breaker (Partial) Figure 7. Wiring Diagram for 520M and 520MC Models with Ground Alarm/Power Supply Module Figure 6. Ground Alarm/Power Supply Module for the 520M or 520MC Trip Units Figure 5. Installation of the Rating Plug and Mounting Screw Figure 4. Installation of the Digitrip Unit into a Magnum Breaker (Side View) Figure 3. Digitrip 520MC Trip Unit with Rating Plug Figure 2. 9 Display feature (520M and 520MC only) Standards Section 2: General description of Magnum circuit breakers General Low-energy trip actuator Ground fault protection Current sensors (Magnum standard frames) Current sensors (Magnum double-wide frames) Section 3: Principles of operation General Trip and operation indicators Making Current Release Zone interlocking Section 4: Protection settings General Long delay current setting Long delay time setting Short delay current setting Short delay time setting Instantaneous current setting Ground fault current setting Ground fault time delay setting INCOM (Digitrip 520MC models only) Section 5: Test procedures General When to test Functional field testing Performance testing for ground fault trip units primary injection Section 6: Trip unit battery General Battery check Battery installation and removal Section 7: Frame ratings (sensor ratings and rating plugs) Section 8: Record keeping Section 9: References Time-current curves Section 10: Digitrip 520MC with Maintenance Mode General Maintenance Mode settings Arming Maintenance Mode Remote indicator Choosing the reduction setting Tripping and testing Appendix A: Zone interlocking examples Appendix B: Troubleshooting guide Appendix C: Typical breaker master connection diagram Appendix D: Modbus translator wiringģ Instructional Leaflet IL70C1037H05 List of figures Description Page Description Page Figure 1. If you have any questions or need further information or instructions, please contact your local Eaton representative or visitĢ Contents Description Page Description Page List of figures List of tables Section 1: General description of Digitrip trip units Protection Mode of trip and status information Installation and removal Wiring Plexiglass cover Ground Alarm/Power Supply Module (520M/MC models only). NNote: The recommendations and information contained herein are based on experience and judgement, but should not be considered to be all inclusive or to cover every application or circumstance that may arise. OBSERVE AND COMPLY WITH ALL GENERAL AND LOCAL HEALTH AND SAFETY LAWS, CODES, AND PROCEDURES. m WARNING OBSERVE ALL RECOMMENDATIONS, NOTES, CAUTIONS, AND WARNINGS RELATING TO THE SAFETY OF PERSONNEL AND EQUIPMENT. EATON IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTALLATION OF ITS PRODUCTS. ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING. DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIPMENT. #Cutler hammer digitrip 520 manual install1 m WARNING DO NOT ATTEMPT TO INSTALL OR PERFORM MAINTENANCE ON EQUIPMENT WHILE IT IS ENERGIZED.
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