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Effective August 2011
Supersedes I.L. 29-885C 12/10

Instruction Leaflet 

I. L. 29-885D

Instructions for Digitrip RMS 510 Trip Unit

Summary of Contents for Cutler-Hammer Digitrip RMS 510

Page 1: ...Effective August 2011 Supersedes I L 29 885C 12 10 Instruction Leaflet I L 29 885D Instructions for Digitrip RMS 510 Trip Unit...

Page 2: ...Back up Battery Check 14 4 5 2 Replacing the Back up Battery 14 5 References 15 5 1 Digitrip RMS Trip Assemblies 15 5 2 Type DS Low Voltage AC Power Circuit Breakers 15 5 3 Type DS II Low Voltage AC P...

Page 3: ...cuit breakers and type SPB Systems Pow R circuit breakers and Series C R Frame molded case circuit breakers The Digitrip RMS 510 Trip Unit pro vides three basic functions Function Section Protection 1...

Page 4: ...round Protection SPB Rating Plug View Settings in Window Adjust Protection Settings for Desired Values with Rotary Switches Trip Unit Operation Status Blinking Green OK See Section 1 1 1 R Frame Ratin...

Page 5: ...inte grally mounted in the circuit breaker 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 se...

Page 6: ...fective August 2011 Instructions for Digitrip RMS 510Trip Unit EATON CORPORATION www eaton com Figure 5 Digitrip RMS 510 Type LSI Figure 6 Digitrip RMS 510 Type LIG Figure 7 Digitrip RMS 510 Type LSG...

Page 7: ...show DIS in the window ONLY ONE position shows blank Note N When the OVERRIDE window shows blank the only fast acting high short circuit protection available is the OVERRIDE Fixed Instantaneous see Se...

Page 8: ...an carry continuously However for proper coordination of over current pro tection it is often desirable to choose different levels of In for differ ent circuit breakers of the same frame rating An ass...

Page 9: ...ck LED The bat tery in the rating plug is OK if the LED lights Green when the bat tery check button next to it is pushed see Section 4 5 Note N The back up battery is used only to maintain the cause o...

Page 10: ...otect load circuits from the effects of repeated overload condi tions If a breaker is re closed soon after a Long Delay Trip and the current again exceeds the Long Delay Current Setting Ir the LTM aut...

Page 11: ...Plug In Setting Inst I n 5 6 M M 2 2 5 3 4 1 2 3 7 No Instantaneous Current Setting For types LS and LSG Trip Units please see Sections 1 1 3 DlScriminator High initial Current Release and 1 1 4 OVERR...

Page 12: ...IZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIPMENT DE ENERGIZE THE CIRCUIT AND DISCONNECT THE CIRCUIT BREAKER BEFORE PERFORMING MAINTENANCE OR TESTS REFER TO THE APP...

Page 13: ...MS 510 Trip Unit also has a Long Time Memory function LTM which serves to protect load circuits from the effects of repeated overload conditions see Note 1 under Section 3 3 Long Delay Time Setting Th...

Page 14: ...S 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 4 5 1 Back up Battery Check The battery is a long life lithi...

Page 15: ...lemental Digitrip RMS and Optim Trip Units with Type DS II I L 8700C39 and DSL II Low Voltage AC Power Circuit Breakers AD 32 870 Typical Time Current Characteristic Curves for Types DS II and DSL II...

Page 16: ...the event that the feeder breaker Z2 would not clear the fault the main breaker Z1 will clear the fault in 0 5 s as above Fault 1 There are no interlocking signals The main breaker trip unit will init...

Page 17: ...17 Instruction Leaflet I L 29 885D Effective August 2011 Instructions for Digitrip RMS 510Trip Unit EATON CORPORATION www eaton com Notes...

Page 18: ...18 Instruction Leaflet I L 29 885D Effective August 2011 Instructions for Digitrip RMS 510Trip Unit EATON CORPORATION www eaton com Notes...

Page 19: ...19 Instruction Leaflet I L 29 885D Effective August 2011 Instructions for Digitrip RMS 510Trip Unit EATON CORPORATION www eaton com Notes...

Page 20: ...between the parties This literature is not intended to and does not enlarge or add to any such contract The sole source governing the rights and remedies of any purchaser of this equipment is the con...

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