Eaton Digitrip RMS Instruction Leaflet

Digitrip RMS and Digitrip OPTIM Trip Units Used with
R-Frame Circuit Breakers

TABLE OF CONTENTS

1.0 Supplementary Information ...................................
2.0 Digitrip RMS and Digitrip OPTIM Trip Units ..........
3.0 Rating Plugs..........................................................
3.0.1 Digitrip RMS Plugs for 510, 610, 810,910.............
3.0.2 Digitrip RMS Plug for 310 .....................................
3.0.3 Digitrip RMS Plugs for OPTIM 750, 1050 .............
3.0.4 Rating Plugs - Battery ..........................................
3.1 Installation and Removal of Trip Components ..... 4
3.2 Installation of Rating Plug .....................................
3.3 Trip Unit Removal .................................................
3.4 Trip Unit Replacement ..........................................
4.0 Digitrip RMS Model Considerations ......................
4.1 Digitrip RMS 310 ...................................................
4.2 Digitrip RMS 510 ...................................................
4.3 Digitrip RMS 610 ...................................................
4.4 Digitrip RMS 810 ...................................................
4.5 Digitrip RMS 910 ...................................................
4.6 Digitrip OPTIM 750................................................
4.7 Digitrip OPTIM 1050..............................................
4.8 Reset Operation ....................................................
5.0 Principle of Operation............................................
5.1 General .................................................................
5.2 Digitrip RMS Trip Assembly ...........................
5.3 Flux Shunt Trip....................................................
5.4 Ground Fault Protection ......................................
5.4.1 General ...............................................................
5.4.2 Residual Sensing ................................................
5.4.3 Source Ground Sensing......................................
5.4.4 Ground Fault Settings .........................................
5.5 Current Sensors ..................................................
5.6 Digitrip RMS Accessories....................................
5.6.1 Power/Relay Module ...........................................
5.6.2 Potential Transformer Module.............................
5.6.3 Dielectric Testing ................................................
5.7 Connection Diagram ...........................................
5.8 Trip Unit Settings Protection ...............................
6.0 Testing ................................................................
6.1 Function Field Testing.........................................
6.2 Performance Testing for Ground Fault Trip Units 14
6.2.1 Code Requirements ............................................
6.2.2 Standards Requirements ....................................
6.2.3 General Test Instructions ....................................
7.0 Record Keeping ..................................................
8.0 References..........................................................
8.1 R-Frame .......................
8.2 Digitrip RMS Trip Units........................................
8.3 Time Current Curves...........................................
8.4 Miscellaneous ....................................................
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Supersedes IL29C713D dated March 2007
Fig. 1. View of R- Frame Circuit Breaker
Shown with Digitrip RMS 510 Trip Unit Installed
DO NOT ATTEMPT TO INSTALL OR PERFORM MAIN-
TENANCE ON EQUIPMENT WHILE IT IS ENERGIZED.
DEATH, SEVERE PERSONAL INJURY, OR SUBSTAN-
TIAL PROPERTY DAMAGE CAN RESULT FROM CON-
TACT WITH ENERGIZED EQUIPMENT. ALWAYS
VERIFY THAT NO VOLTAGE IS PRESENT BEFORE
PROCEEDING WITH THE TASK, AND ALWAYS FOL-
LOW GENERALLY ACCEPTED SAFETY PROCE-
DURES.
EATON IS NOT LIABLE FOR THE MISAPPLICATION
OR MISINSTALLATION OF ITS PRODUCTS.
The user is cautioned to observe all recommendations,
warnings and cautions relating to the safety of personnel
and equipment, as well as all general and local health
and safety laws, codes, and procedures.
The recommendations and information contained herein
are based on Eaton experience and judgment,
but should not be considered to be all-inclusive or cover-
ing every application or circumstance which may arise. If
any questions arise, contact Eaton for further
information or instructions.
WARNING