Eaton Digitrip RMS 510 Instruction Leaflet

Eaton Digitrip RMS 510 Instruction Leaflet

Trip unit
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Effective August 2011
Instruction Leaflet I. L. 29-885D
Supersedes I.L. 29-885C 12/10
Instructions for Digitrip RMS 510 Trip Unit

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Summary of Contents for Eaton Digitrip RMS 510

  • Page 1 Effective August 2011 Instruction Leaflet I. L. 29-885D Supersedes I.L. 29-885C 12/10 Instructions for Digitrip RMS 510 Trip Unit...
  • Page 2: Table Of Contents

    1 .1 Basic Digitrip RMS 510 Trip Unit . . . . . . . . . . . . . . . .
  • Page 3: Important Safety Instructions

    1.1 Basic Digitrip RMS 510 Trip Unit DO NOT ATTEMPT TO INSTALL OR PERFORM MAINTENANCE ON The Digitrip RMS 510, illustrated in Figure 2, is a Trip Unit suitable EQUIPMENT WHILE IT IS ENERGIZED. DEATH OR SEVERE PERSONAL for use in types DS and DSL Low-Voltage AC power circuit breakers INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIPMENT.
  • Page 4: Operational Status And Protection Trip Indicators

    Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 In the Digitrip RMS 510 Trip Unit, all required sensing and tripping 1.1.1 Operational Status and Protection TRIP Indicators power to operate its protection function is derived from the current The "Green"...
  • Page 5: General Over-Current Protection

    . The Digitrip RMS 510 Trip Unit is available in six different types . Each Trip Unit may be equipped with a maximum of five phase and two ground (time-current) settings (see Section 3) to meet specific application requirements .
  • Page 6 Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 Figure 7. Digitrip RMS 510 Type LSG. Figure 5. Digitrip RMS 510 Type LSI. Figure 6. Digitrip RMS 510 Type LIG. Figure 8. Digitrip RMS 510 Type LSIG.
  • Page 7: Discriminator (High Initial Current Release)

    Send a signal to upstream RMS Digitrip Trip Units to restrain from • When the Digitrip RMS 510 Trip Unit is not equipped with an tripping immediately . The restraining signal causes the upstream adjustable instantaneous protection setting, i .e . types LS or LSG, a breakers to follow their set coordination times, so that only the DlScriminator circuit (or high initial current release) is provided .
  • Page 8: Frame Rating, Sensor Rating (Where Applicable) And Rating

    Section 5) to give the user flexibility to change the value of I with- Rating Plugs for the Digitrip RMS 510 Trip Units are marked for, and out having to change the primary current sensors on the breaker . may be applied on both 50 and 60 Hz systems .
  • Page 9: Auxiliary Power Module

    Unit will trip the breaker again . As indicated in Figures 2 and 9, a back-up battery is provided to maintain the mode of trip LED indication in the Digitrip RMS 510 Trip Unit when external control power to the Power / Relay module is not available .
  • Page 10: Protection Settings

    Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 3 Protection Settings In addition to the standard Long Delay Protection Element, the Digitrip otee: RMS 510 Trip Unit also has a Long Time Memory (LTM) function, which serves to protect load circuits from the effects of repeated overload condi- 3.1 General...
  • Page 11: Short Delay Time Setting

    Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 3.5 Short Delay Time Setting 3.7 No Instantaneous Current Setting As illustrated in Figure 15, there are two different Short Delay curve For types LS and LSG Trip Units, please see Sections 1 .1 .3 shapes, i .e ., fixed time (flat) and I...
  • Page 12: Ground Fault Time Delay Setting

    Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 otee: For Testing Purposes Only: When using an external single phase current 4 Test Procedures source to test low level ground fault current settings, it is advisable to use the Auxiliary Power Module (APM) (see Section 1 .3 and Figure 10) .
  • Page 13: Conducting Tests

    Available "Test A m p s " Settings that in addition to the standard protection element, the Breaker Trips Digitrip RMS 510 Trip Unit also has a Long Time Memory “6T” = Phase Current Test at  at 6T and GFT and TRIPS breaker;...
  • Page 14: Tripping The Breaker

    The battery has no part in the protection function of the Trip Unit . The battery is provided only to maintain the "RED" LED indication of the cause of TRIP in the Digitrip RMS 510 Trip Unit . The battery is located in the rating plug along with a battery check push-button and a green battery check LED (see Figure 9) .
  • Page 15: References

    Breakers Types DS and DSL 86-5625-93 Ground (G) Supplement B Digitrip RMS 510, 610, and 910 Trip Units with I .S . 15545 SPB Master Connection Diagram to I .B . 32-790-1 Types DS and DSL Low Voltage Power Circuit Breakers 5.5 Series C...
  • Page 16: Appendix A: Zone Lnterlocking

    Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 APPENDIX A: Zone lnterlocking Assume a ground fault of 2000 Amperes occurs and refer to Figure 3200 A M a i n A .1 .
  • Page 17 Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 Notese: EATON CORPORATION www.eaton.com...
  • Page 18 Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 Notese: EATON CORPORATION www.eaton.com...
  • Page 19 Instructions for Digitrip RMS 510 Trip Unit Instruction Leaflet I. L. 29-885D Effective August 2011 Notese: EATON CORPORATION www.eaton.com...
  • Page 20 OF DEALING OR USAGE OF TRADE, ARE MADE REGARDING THE INFORMATION, RECOMMENDATIONS, AND DESCRIPTIONS CONTAINED HEREIN. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential damage or loss...

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