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Eaton CUTLER-HAMMER MD-3000 series Installation, Operation And Maintanance

Manual is about: protective relay

Summary of CUTLER-HAMMER MD-3000 series

  • Page 1

    Effective march 2006 initial release per iq-10256 ib02602001e instructions for installation, operation and maintenance of the cutler-hammer md-3000 series of protective relays.

  • Page 2

    Effective march 2006 initial release per iq-10256.

  • Page 3

    Md-3000 instruction leaflet ib02602001e effective: date 03/2006 page iii for more information visit: www.Eatonelectrical.Com supersedes i.B. 17555d dated july 2002 table of contents section 1: introduction 1-1 preliminary comments and safety precautions 1-1.1 warranty and liability information 1-1.2...

  • Page 4

    Instruction leaflet md-3000 effective: date 03/2006 ib02602001e for more information visit: www.Eatonelectrical.Com initial release section 1: introduction 1-1 preliminary comments and safety precautions this technical document describes installation, application, operation, and maintenance of the e...

  • Page 5

    Md-3000 instruction leaflet ib02602001e effective: date 03/06 for more information visit: www.Eatonelectrical.Com initial release 1-1.1 warranty and liability information no warranties, expressed or implied, including warranties of fitness for a particular purpose of merchantability, or warranties a...

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    For more information visit: www.Eatonelectrical.Com initial release on the front of the relay, via the two display windows. This is considered “on device” information. In addition to being able to provide a circuit breaker “open” or “closed” status to the remote location, the md-3000 displays parame...

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    Instruction leaflet md-3000 effective: date 03/2006 ib02602001e for more information visit: www.Eatonelectrical.Com initial release for the purpose of familiarization, the panel is divided into three sub-sections: 1. Pushbuttons 2. Led’s 3. Display windows pushbuttons: the front operations panel sup...

  • Page 8

    For more information visit: www.Eatonelectrical.Com initial release differential overcurrent pickup set point is being viewed in the unit’s normal operating mode. The led will blink red whenever the load current exceeds the differential overcurrent pickup set point. If the relay trips on differentia...

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    Instruction leaflet md-3000 effective: date 03/2006 ib02602001e for more information visit: www.Eatonelectrical.Com initial release ranges outlined in “ul testing and specification summary.” 2-3 md-3000 specifications and test summary output trip contacts: (differential trip) • momentary: make 30a a...

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    For more information visit: www.Eatonelectrical.Com initial release section 3: operation 3-1 introduction this section specifically describes the operation and functional use of the md-3000 protective relay. It does not address in detail rear power connections. This is covered in section 5 entitled ...

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    Instruction leaflet md-3000 effective: date 03/2006 ib02602001e for more information visit: www.Eatonelectrical.Com initial release 3-4 test mode the test mode is not intended for live primary current interruption, but periodic tests that verify the functional performance of the relay. To enter the ...

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    For more information visit: www.Eatonelectrical.Com initial release fig. 4-1 cutout dimensions (inches).

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    For more information visit: www.Eatonelectrical.Com initial release fig. 4-2 md-3001 protective dimensions (inches) 4-3 wiring the wiring of the md-3000 protective relay must follow a suitable “wiring plan drawing.” the term wiring plan, as used here, refers to the drawings made for the specific app...

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    Instruction leaflet md-3000 effective: date 03/2006 ib02602001e for more information visit: www.Eatonelectrical.Com initial release fig. 4-3 md-3000 typical wiring diagram (with fault condition shown on phase c) note: the above diagram shows a common wiring scheme when the relay is used in conjuncti...

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    For more information visit: www.Eatonelectrical.Com initial release 4-5 initial startup use this information when first applying control power to the md-3000 protective relay. 4-5.1 before power application a) verify that all wiring is correct, as shown on the wiring plan drawing. B) set the dip swi...

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    Instruction leaflet md-3000 effective: date 03/2006 ib02602001e for more information visit: www.Eatonelectrical.Com initial release rear of the relay. Carefully lay the screws aside for later use. Support the protective relay from the front side when the screws are loosened or removed. Without such ...

  • Page 17

    For more information visit: www.Eatonelectrical.Com initial release table 5.1 troubleshooting guide symptom probable cause possible solution(s) reference • protective relay’s control power is deficient or absent • verify that control power is connected between tb1 -5 and b1 -6 and that it is within ...

  • Page 18

    Appendix a a1.0 introduction appendix a describes the drawout case option for the md-3000 protective relay. The table below (a-1) lists the drawout case versions. Table a-1 ordering information style # catalog # description 66d2127g01 md3001 protective relay – high range ps, drawout case 66d2129g01 ...

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    For more information visit: www.Eatonelectrical.Com initial release fig. A-2 md-3001 panel mounting 18 17 current input unused 29 27 power supply b2 c2 a2 input 23 25 21 19 unused 30 28 24 26 22 b1 c1 a1 unused 20 unused 11 15 13 12 unused 16 14 unused unused unused unused unused unused unused.

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    Instruction leaflet md-3000 effective: date 03/2006 ib02602001e for more information visit: www.Eatonelectrical.Com initial release caution - refer to instruction leaflet ac 120-240 vac, 50/60 hz md 3001 motor differential term. 17/19 dc 48-250 vdc power supply input.. Drawout case fig. A-3 rear vie...

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    For more information visit: www.Eatonelectrical.Com initial release fig. A-4 md 3001 typical wiring diagram a5.0 drawout operation a5.1 inserting the relay before the md-3001 is inserted into the drawout enclosure: • verify that all wiring is correct as shown in the wiring diagram. When inserting th...

  • Page 22

    Instruction leaflet md-3000 effective: date 03/2006 ib02602001e for more information visit: www.Eatonelectrical.Com initial release electric shock is present. Always disconnect any control or source power before touching anything on the internal or external parts of the drawout outer case. When remo...

  • Page 23

    For more information visit: www.Eatonelectrical.Com initial release this instruction booklet is published solely for information purposes and should not be considered all-inclusive. If further information is required, you should consult cutler-hammer. Sale of product shown in this literature is subj...