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Instructional Leaflet IL70C1037H05
Effective October 2009
Digitrip models 520, 520i; and 520M, 520Mi,
520MC, 520MCi trip units for use only in
Magnum and Magnum DS circuit breakers
EATON CORPORATION www.eaton.com
GROUND FAULT TEST RECORD FORM
Ground Fault Test Record should be retained by those in charge of the building’s electrical
installation in order to be available to the authority having jurisdiction.
Test Date Circuit Breaker
Number
Results Tested By
Figure 46. Typical Performance Test Record Form
Section 9: References
Magnum and Magnum DS circuit breakers
I.B. 2C12060 Magnum DS Breaker Instructions
I.B. 2C13060 Magnum I. Breaker Instructions
4A36346 Zone Interlocking Application with
Non-Magnum Breakers
I.L. 66A7508 Instruction for mMINT Modbus Translator Module
Time-current curves
The time-current curves are listed below for particular trip unit
models. All protection function time-current settings should be made
following the recommendations of the specifying engineer in charge
of the installation.
70C1295 Digitrip 220P or 520 (LI) (L) curve
70C1296 Digitrip 220P or 520 (LI) (I) curve
70C1006 Digitrip 520 (LS) curve
70C1007 Digitrip 520 (I) curve
70C1008 Digitrip 520 (G) curve
70C1446 Digitrip 520MC Maintenance Mode trip
m NOTICE
THE PROVISION FOR THE ZONE SELECTIVE INTERLOCKING FUNCTION
IS STANDARD ON CIRCUIT BREAKERS WITH DIGITRIP TRIP UNITS
FOR SHORT TIME AND GROUND FAULT (EARTH FAULT) FUNCTIONS.
FOR ANSI/UL CIRCUIT BREAKERS WITH DIGITRIP TRIP UNITS, THE
APPROPRIATE JUMPER TO TERMINAL B8 AND B9 MUST BE ADDED
ON THE CIRCUIT BREAKER IF ZONE INTERLOCKING IS NOT DESIRED
OR FIELD TESTING IS DESIRED.
FOR IEC CIRCUIT BREAKERS WITH DIGITRIP TRIP UNITS, THE ZONE
INTERLOCKING FUNCTION IS NOT WIRED OUT TO THE CIRCUIT BREAKER
SECONDARIES (I.E., ZONE FUNCTIONALITY IS NOT PRESENT IN
SECONDARIES B7, B8, AND B9). THE TRIP UNIT WILL ALWAYS FOLLOW
THE PROGRAMMED SHORT TIME OR GROUND TIME SETTING. THIS IS
ACCOMPLISHED VIA A WIRING HARNESS INTERNAL TO THE CIRCUIT
BREAKER. IF THE ZONE INTERLOCKING FUNCTION IS DESIRED FOR IEC
CIRCUIT BREAKERS WITH DIGITRIPS, PLEASE CONTACT EATON FOR
APPROPRIATE INSTRUCTIONS ON HOW TO ADJUST THE INTERNAL
WIRING HARNESS TO ACTIVATE THE ZONE INTERLOCKING FUNCTION
ASSOCIATED WITH SECONDARIES B7, B8, AND B9 OF THE CIRCUIT
BREAKER.
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