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Instruction Leaflet

I. L. 29-886B

Effective August 2011

Instructions for Digitrip RMS 610 Trip Unit

eaton corporation

www.eaton.com

Table 1. Digitrip RMS 610 Protection Functions.

Trip Unit Type

RMS Digitrip 610

Refer to I.L.

Section

Number

Catalog Number

S S S

6 6 6

1 2 3

L L L

I S S

S S S

6 6 6

4 5 6

L L L

I S S

G G I

Suffix Number

61 62 63

64 65 66

Instruction Leaflet No.

I.L. 29-886

Long-Time Delay Protection
Adj. Current Setting (Pick-up)

Adj. Time Delay Setting

Long Time Memory

X X X

3.2

3.3

High Load Alarm
ALARM Indication at Trip Unit

Remote ALARM Signal Contacts

X X X

Table 3

1.3

Short-Time Delay Protection
Adj. Current Setting (Pick-up)

Adj. Time Delay Setting

Opt. "I Squared T" Curve Shape

Opt. Zone Interlocking

X X

3.4

3.5

1.1.5

Instantaneous Protection
Adj. Current Setting (Pick-up)

DISCriminator (11 x) IN or OUT

OverRIDE (>short time current rating)

X X

1 1 1

X X

1 1 1

3.6

1.1.3

1.1.4

Neutral Current Protection

n n n

1.1.1

Ground Fault Protection
Adj. Current Setting (Pick-up)

Adj. Time Delay Setting

Opt. "I Squared T" Curve Shape

Opt. Zone Interlocking

Ground Fault Time Memory

X X X

3.8

3.9

1.1.5

3.9

Trip Unit Over-Temp TRIP

X X X

1.1

Auto Lock-Out after TRIP

c c c

1.1.2

LED Indicators on TRIP Unit
Trip Unit Status (OK = blinking)

Long Trip Delay TRIP

Short Time Delay TRIP

X X X

X X

X X X

X X

1.1.2

INStantaneous TRIP

OverRIDE / DISCriminator TRIP

Ground Fault TRIP

X X

X X X

1.1.2

Rating Plug Back-up Battery Status

X X X

4.5

Integral Test Provision

X X X

POWER / RELAY MODULE

Output Signal Contacts

X X X

1.4

Long-Time Delay TRIP

X X X

1.4

Short-Circuit TRIP (includes any of:)

•

Short Time Delay Trip

•

INStantaneous TRIP

•

OverRIDE / DISCriminator TRIP

X X X

1.4

Ground Fault TRIP

X X X

1.4

Neutral Current ALARM

X X X

1.4

High LoaD ALARM

X X X

1.4

LEGEND: x = Function included for this trip unit.

c = 120 Vac Control Power required to maintain Lockout.

n = Circuit Breaker must be equipped for Neutral Protection.

* = DISCriminator is also called “Making Current Release”

1 = n/a for Type DS Breakers.

“blank” = Function n/a for this Trip Unit.

Содержание Cutler-Hammer Digitrip RMS 610

Страница 1: ...Effective August 2011 Supersedes I L 29 889A 5 97 Instruction Leaflet I L 29 886B Instructions for Digitrip RMS 610 Trip Unit...

Страница 2: ...Replacing the Back up Battery 20 5 References 20 5 1 Digitrip RMS Trip Assemblies 20 5 2 Type DS Low Voltage AC Power Circuit Breakers 20 5 3 Type DS II Low Voltage AC Power Circuit Breakers 20 5 4 Ty...

Страница 3: ...considered to be all inclusive or covering every application or circumstance which may arise If you have any questions or need further information or instructions please contact your local representa...

Страница 4: ...rs provide the correct input information for the protector func tions as well as tripping power whenever the circuit breaker is carrying current These signals develop analog voltages across the approp...

Страница 5: ...ate its protection systems It operates from current signal levels and control power derived through current sensors inte grally mounted in the circuit breaker The Digitrip RMS 610 Trip Unit is availab...

Страница 6: ...1 1 Ground Fault Protection Adj Current Setting Pick up Adj Time Delay Setting Opt I Squared T Curve Shape Opt Zone Interlocking Ground Fault Time Memory X X X X X X X X X X X X X X X 3 8 3 9 3 9 1 1...

Страница 7: ...Effective August 2011 Instructions for Digitrip RMS 610Trip Unit eaton corporation www eaton com Figure 3 Digitrip RMS 610 Type Ll Figure 4 Digitrip RMS 610 Type LS Figure 5 Digitrip RMS 610 Type LSI...

Страница 8: ...current exceeds approximately 10 of the circuit breaker frame or current sensor rating Whenever the load current falls below 10 the discriminator is rearmed The release once rearmed will remain enabl...

Страница 9: ...the other breaker F can not cause breaker M to trip caution IF ZONE INTERLOCKING IS NOT TO BE USED I E STANDARD TIME DELAY COORDINATION ONLY IS INTENDED THE ZONE INTERLOCKING TERMINALS MUST BE CONNECT...

Страница 10: ...Phase B Current lb kA Phase C Current lc kA X X X X X X X X X X X X X X X X X X Ground Current lg kA Neutral Current ld kA n n n X X X 1 2 1 1 Local Messages Table 3 DISC DISCriminator GNDT GrouND Tri...

Страница 11: ...mory error Protection functions still operate but may be up to 12 out of tolerance Replace trip unit at first opportunity 1 2 2 1 SDT Short Time Delay Trip Breaker tripped because phase current exceed...

Страница 12: ...still function to protect the circuit but the calibration may be degraded by a few percent The Time Current Curve tolerances may be exceed ed in some cases by as much as 12 It is not necessary to tri...

Страница 13: ...60 640 680 720 760 800 A Plug In 1600 A LDPU Ir 800 960 1120 1280 1360 1440 1520 1600 A Note N Rating plugs from Digitrip models 500 600 700 800 CANNOT be used with model 610 Trip Units The connection...

Страница 14: ...as appli cable Even without available external control power once the load cur rent through the circuit breaker exceeds approximately 20 40 if single phase of the frame current sensor rating the green...

Страница 15: ...Rating of the cir cuit breaker Instantaneous and ground current settings are defined in multiples of In To illustrate the effect of each protection curve setting simulated Time Current curves are pict...

Страница 16: ...Curve referenced in Section 5 Figure 14 Short Delay Current Settings Available Settings 12 15 20 24 I Seconds at 6 Times 6 x Long Time Delay Sec at 6 x Ir Ir 4 I r Long Delay Setting 2 4 7 10 S1 and...

Страница 17: ...0 1200 5000 1200 1200 1200 1200 1200 1200 1200 1200 Tolerances on settings are 10 of values shown Refer to Type DS Type SPB or Series C R Frame supplemental instruction leaflets given in Section 5 for...

Страница 18: ...ts of the Trip Unit and two settings GF and GFT are provided for testing the ground element Figure 19 Integral Test Panel Lower Right Corner of Trip Unit caution A SETTING OF EITHER 6T OR GFT WILL TRI...

Страница 19: ...lly affect ground fault test results but if Ground Fault tests are repeated quickly the GTM can make the breaker appear to trip too soon Note N To STOP a TEST initiated via the integral test panel PRE...

Страница 20: ...F THE 120 VAC CONTROL POWER TO THE POWER RELAY MODULE IS LOST THEN AFTER AN OVER CURRENT OR SHORT CIRCUIT TRIP NO LEDS WILL BE LIGHTED RED TO INDICATE THE REASON FOR THE TRIP The replacement battery s...

Страница 21: ...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...

Страница 22: ...power to the load circuit Note N As the current approached the overload condition prior to the overload trip operation the following Trip Unit indications would have been visible The HILD message wou...

Страница 23: ...23 Instruction Leaflet I L 29 886B Effective August 2011 Instructions for Digitrip RMS 610Trip Unit eaton corporation www eaton com Notes...

Страница 24: ...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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