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Eaton Digitrip 3000 series Installation, Operation And Maintenance Instructions

Manual is about: CUTLER-HAMMER DIGITRIP 3000 SERIES OF PROTECTIVE RELAYS

Summary of Digitrip 3000 series

  • Page 1

    Effective july 2002 supersedes i.B. 17555c dated november 1999 i.B. 17555d instructions for installation, operation and maintenance of the cutler-hammer digitrip 3000 series of protective relays.

  • Page 2

    Effective july 2002 supersedes i.B. 17555c dated november 1999.

  • Page 3

    Effective july 2002 supersedes i.B. 17555c dated november 1999.

  • Page 4

    Instruction leaflet dt3000 page iv effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 table of contents section 1: introduction..............................................................................................

  • Page 5

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page v for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 a2.0 general description................................................................................................................

  • Page 6

    Instruction leaflet dt3000 page 2 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 section 1: introduction 1-1 preliminary comments and safety precautions this technical document installation, application, operation,...

  • Page 7

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 3 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 1-1.1 warranty and liability information no warranties, expressed or implied, including warranties of fitness for a particular purpos...

  • Page 8

    Instruction leaflet dt3000 page 4 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 1-3 functions/features/options the primary function of the digitrip 3000 protective relay is overcurrent protection. This is achieved...

  • Page 9

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 5 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. 1-3 digitrip 3000 protective relay with dip switches shown in upper left (rear view) by providing 11 different curve shapes the ...

  • Page 10

    Instruction leaflet dt3000 page 6 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. 1-5 installed jumpers in place on terminal block tb-1 disabling the zone interlocking feature in addition to being able to provi...

  • Page 11

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 7 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 table 2.1 curve selection curve type settings result thermal it i 2 t i 4 t flat moderately inverse inverse extremely inverse definit...

  • Page 12

    Instruction leaflet dt3000 page 8 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 curve = ieca, iecb, iecc, iecd: 0.025, 0.050, 0.075, 0.100, 0.125, 0.150, 0.175, 0.200, 0.225, 0.250, 0.275, 0.300, 0.325, 0.350, 0.3...

  • Page 13

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 9 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 ground inverse time overcurrent time multiplier: the available time settings, shown below, depend on the ground curve shape setting s...

  • Page 14

    Instruction leaflet dt3000 page 10 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 ground instantaneous: the available pickup settings, shown below, range from 0.50 to 11times (i n ) or none. If none is selected, th...

  • Page 15

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 11 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 phase settings type default setting curve shape it i 2 t (chicago version) ldpu 1.0 ldt 5 seconds 40 seconds (chicago version) sdpu ...

  • Page 16

    Instruction leaflet dt3000 page 12 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 over a shielded twisted pair of conductors. The receiving terminal is a remote mounted master computer (ibm compatible). Refer to fi...

  • Page 17

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 13 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. 2-1 typical communications wiring diagram for network interconnection cable, see cable specifications on figure 3-1. Refer to c...

  • Page 18

    Instruction leaflet dt3000 page 14 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 2-2 protective relay hardware 2-2.1 front operations panel the operations panel, which is normally accessible from the outside of th...

  • Page 19

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 15 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 time. The demand value is the largest 5-minute average measured since the ampere demand was last reset. Led: led’s are used to indic...

  • Page 20

    Instruction leaflet dt3000 page 16 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 1. The present phase or ground currents. 2. The largest phase or ground demand currents since last reset. 3. The fault current (disp...

  • Page 21

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 17 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 • switch s8 is used to enable/disable the ability to download set points from the communication interface (host computer). • switch ...

  • Page 22

    Instruction leaflet dt3000 page 18 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 terminals 12 and 13 are a “no” configurable contact. Dip switch s3 is used to configure the trip contacts. With dip switch s3 in the...

  • Page 23

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 19 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 2-3 dt3000 and dt3030 specifications and test summary output trip contacts: (trip oc/comm, trip inst, & comm close) • momentary: mak...

  • Page 24

    Instruction leaflet dt3000 page 20 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 2-3 dt3000 and dt3030 specifications and test summary (continued) time delay settings: • inverse time overcurrent time multiplier: i...

  • Page 25

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 21 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 table 3.1 digitrip 3000 curve shapes thermal curves ansi curves (per ansi c37.112) iec curves (per iec 255-3) it moderately inverse ...

  • Page 26

    Instruction leaflet dt3000 page 22 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 other portions of the curve. Figure 3-4 graphically illustrates the vertical time line movement with an i 2 t curve shape selection....

  • Page 27

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 23 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. 3-2 digitrip 3000 typical wiring diagram.

  • Page 28

    Instruction leaflet dt3000 page 24 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 instantaneous protection instantaneous (short circuit) protection reacts to high level fault currents. The instantaneous pickup sett...

  • Page 29

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 25 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 characteristic curve reminders as previously mentioned, combining protective capabilities is a matter of coordination. The effects o...

  • Page 30

    Instruction leaflet dt3000 page 26 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. 3-8 typical curve with i 2 t shape fig. 3-9 instantaneous setting adjustment 3-3.2 program mode digitrip 3000 protective relay ...

  • Page 31

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 27 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 and released to step to the next set point, which is the phase time multiplier. The time multiplier setting led will blink green alo...

  • Page 32

    Instruction leaflet dt3000 page 28 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. 3-10 programming sequence preview the flow chart entitled “local programming sequence flow chart” (figure 3-11) presents detail...

  • Page 33

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 29 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 3-4.1 address and baud rate settings to enter the mode that permits changing the device address and/or baud rate, depress and hold t...

  • Page 34

    Instruction leaflet dt3000 page 30 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 for ground zone interconnection cable, see cable specifications on fig. 3-2. Maximum distance between the first and last zone should...

  • Page 35

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 31 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 for phase zone interconnection cable, see cable specifications on fig. 3-2. Maximum distance between the first and last zone should ...

  • Page 36

    Instruction leaflet dt3000 page 32 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 section 5: installation, startup and testing 5-1 introduction this section describes mounting, wiring, startup and miscellaneous tes...

  • Page 37

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 33 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 dt3000 protective relay power supply input. Tb1-6/tb1-5 ac 120-240 vac, 50/60 hz dc 48-250 vdc caution - refer to . Instruction leaf...

  • Page 38

    Instruction leaflet dt3000 page 34 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 5-5.1 before power application a) verify that all wiring is correct, as shown on the wiring plan drawing. B) set the dip switches pe...

  • Page 39

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 35 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 step 5: remove the mounting screws holding the unit against the door or panel. These are accessed from the rear of the relay. Carefu...

  • Page 40

    Instruction leaflet dt3000 page 36 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 table 6.1 troubleshooting guide symptom probable cause possible solution(s) reference • protective relay’s control power is deficien...

  • Page 41

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 37 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 circuit breaker trips much faster than expected on inverse time overcurrent (continued) • zone interlocking used • check for absence...

  • Page 42

    Instruction leaflet dt3000 page 38 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-1a inverse time overcurrent phase, i 4 t curves (sc-5390-92b) dt 3100 & dt 3101 users see figure 7-1b 0.01 0.10 1.00 10.00 ...

  • Page 43

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 39 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-1b inverse time overcurrent phase, i 4 t curves (sc-5390-92b) for dt 3100 & dt 3101 users only 0.01 0.10 1.00 10.00 100.00 ...

  • Page 44

    Instruction leaflet dt3000 page 40 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-2a inverse time overcurrent phase i 2 t curves (sc-5391-92b) dt 3100 & dt 3101 users see figure 7-2b 0.01 0.10 1.00 10.00 1...

  • Page 45

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 41 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-2b inverse time overcurrent phase i 2 t curves (sc-5391-92b) for dt 3100 & dt 3101 users only 0.01 0.10 1.00 10.00 100.00 1...

  • Page 46

    Instruction leaflet dt3000 page 42 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-3a inverse time overcurrent phase, it curve (sc-5392-92b) dt 3100 & dt 3101 users see figure 7-3b 0.01 0.10 1.00 10.00 100....

  • Page 47

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 43 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-3b inverse time overcurrent phase, it curve (sc-5392-92b) for dt 3100 & dt 3101 users only 0.01 0.10 1.00 10.00 100.00 1000...

  • Page 48

    Instruction leaflet dt3000 page 44 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-4a inverse time overcurrent phase, flat curves (sc-5393-92b) dt 3100 & dt 3101 users see figure 7-4b 0.01 0.10 1.00 10.00 1...

  • Page 49

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 45 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-4b inverse time overcurrent phase, flat curves (sc-5393-92b) for dt 3100 & dt 3101 users only 0.01 0.10 1.00 10.00 100.00 1...

  • Page 50

    Instruction leaflet dt3000 page 46 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-5 short delay phase curves (sc-5394-92b) 0.01 0.10 1.00 10.00 100.00 1000.00 10000.00 0.1 1 10 100 multiple of i n value tr...

  • Page 51

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 47 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-6 inverse time overcurrent/short delay curves (sc-5395-92b) 0.01 0.10 1.00 10.00 100.00 1000.00 10000.00 0.1 1 10 100 multi...

  • Page 52

    Instruction leaflet dt3000 page 48 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-7 instantaneous curves (sc-5396-92b) 0.01 0.10 1.00 10.00 100.00 1000.00 10000.00 0.1 1 10 100 multiple of i n value trip t...

  • Page 53

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 49 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-8 inverse time overcurrent ground i 4 t curve (sc-5399-92b) 0.01 0.10 1.00 10.00 100.00 1000.00 10000.00 0.1 1 10 100 multi...

  • Page 54

    Instruction leaflet dt3000 page 50 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-9 inverse time overcurrent ground i 2 t curve (sc-5400-92b) 0.01 0.10 1.00 10.00 100.00 1000.00 10000.00 0.1 1 10 100 multi...

  • Page 55

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 51 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-10 inverse time overcurrent ground it curve (sc-5401-92b) 0.01 0.10 1.00 10.00 100.00 1000.00 0.1 1 10 100 multiple of in (...

  • Page 56

    Instruction leaflet dt3000 page 52 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-11 inverse time overcurrent ground, flat curves (sc-5402-92b) 0.01 0.10 1.00 10.00 100.00 1000.00 0.1 1 10 100 multiple of ...

  • Page 57

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 53 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-12 short delay ground curves (sc-5403-92b) 0.01 0.10 1.00 10.00 100.00 1000.00 0.1 1 10 100 multiple of i n value trip time...

  • Page 58

    Instruction leaflet dt3000 page 54 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-13 ansi moderately inverse curves (sc-6685-96) 0.01 0.10 1.00 10.00 100.00 1000.00 1 10 100 multiple of pickup current (i/i...

  • Page 59

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 55 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-14 ansi very inverse curves (sc-6686-96) 0.01 0.10 1.00 10.00 100.00 1000.00 1 10 100 multiple of pickup current (i/i pu ) ...

  • Page 60

    Instruction leaflet dt3000 page 56 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-15 ansi extremely inverse curves (sc-6687-96) 0.01 0.10 1.00 10.00 100.00 1000.00 1 10 100 multiple of pickup current (i/i ...

  • Page 61

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 57 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-16 iec-a moderately inverse curves (sc-6688-96) 0.01 0.10 1.00 10.00 100.00 1000.00 1 10 100 multiple of pickup current (i/...

  • Page 62

    Instruction leaflet dt3000 page 58 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-17 iec-b very inverse curves (sc-6689-96) 0.01 0.10 1.00 10.00 100.00 1000.00 1 10 100 multiple of pickup current (i/i pu )...

  • Page 63

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 59 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-18 iec-c extremely inverse curves (sc-6690-96) 0.01 0.10 1.00 10.00 100.00 1000.00 1 10 100 multiple of pickup current (i/i...

  • Page 64

    Instruction leaflet dt3000 page 60 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 figure 7-19 iec-d family flat (sc-6691-96) 0.01 0.10 1.00 10.00 100.00 1000.00 1 10 100 multiple of pickup current (i/i pu ) trip ti...

  • Page 65

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 61 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 7-2 digitrip 3000 curve equations thermal curve equation slope m it 1 i 2 t 2 i 4 t 4 t = trip time d = time multiplier (0.2 to 40) ...

  • Page 66

    Instruction leaflet dt3000 page 62 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 appendix a a1.0 introduction appendix a describes the drawout case option for the digitrip 3000 protective relay. The table below (a...

  • Page 67

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 63 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 • use the #10-32 hex nuts and lock washers included with the relay, to mount the unit on the panel. A4.0 wiring and setup ensure tha...

  • Page 68

    Instruction leaflet dt3000 page 64 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. A-2 dt3001 panel mounting fig. A-3 rear view of dt3001 drawout enclosure open 2 program with breaker open/closed 4 6 7 5 3 9 10...

  • Page 69

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 65 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. A-4 digitrip 3001 typical ac or dc schematic fig. A-5 digitrip 3001 typical ac external current connection with zero sequence g...

  • Page 70

    Instruction leaflet dt3000 page 66 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. A-7 digitrip 3001 typical wiring diagram.

  • Page 71

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 67 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 a5.0 application considerations zone selective interlocking is available on the digitrip 3001 protective relays for the inverse time...

  • Page 72

    Instruction leaflet dt3000 page 68 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 compressed position. The device can now be secured in the enclosure by inserting a utility locking ring in the provided slot. A6.2 r...

  • Page 73

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 69 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 appendix b b1.0 introduction this appendix describes the dual-source power supply (dsps) addition to the digitrip 3000 protective re...

  • Page 74

    Instruction leaflet dt3000 page 70 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 table b-2 dt3010 and dt3020 specifications and test summary output trip contacts: (trip oc/comm, trip inst, & comm close) • momentar...

  • Page 75

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 71 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 table b-2 dt3010 and dt3020 specifications and test summary (continued) time delay settings: • inverse time overcurrent time multipl...

  • Page 76

    Instruction leaflet dt3000 page 72 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. B-2 digitrip 3010/3020 dimensions (inches) . Op en 2 pr og ra m w ith b re ak er o pen /c lo sed 4 6 7 5 3 9 10 8 br ea ker in ...

  • Page 77

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 73 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 b5.0 wiring and setup ensure that the incoming ac power sources are disconnected before performing any work on the digitrip 3000 pro...

  • Page 78

    Instruction leaflet dt3000 page 74 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. B-3 digitrip 3010/3020 protective relay typical ac schematic fig. B-4 digitrip 3010/3020 typical ac external current connection...

  • Page 79

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 75 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 the digitrip 3000 is a true rms measuring device, and will integrate the spikes and dead periods to arrive at a current measurement....

  • Page 80

    Instruction leaflet dt3000 page 76 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 drop across the digitrip 3000 current input during the test. Check the value against the “no vac, 1 phase i” curve, the highest curv...

  • Page 81

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 77 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. B-7 3010/3020 protective relay burden curves - power in va fig. B-8 digitrip 3010/3020 protective relay ct voltage drop curves ...

  • Page 82

    Instruction leaflet dt3000 page 78 effective: date 07/02 i.B. 17555d for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 fig. B-9 dsps output voltage to relay dsps output - true 3 phase current only dsps output - 1 phase current only.

  • Page 83

    Dt3000 instruction leaflet i.B. 17555d effective: date 07/02 page 79 for more information visit: www.Cutler-hammer.Eaton.Com supersedes i.B. 17555c dated november 1999 this instruction booklet is published solely for information purposes and should not be considered all-inclusive. If further informa...