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Contents

Copyrights ................................................................................. 7

1. Introduction..............................................................9

1.1. This manual.............................................................. 9

1.2. Use of symbols ......................................................... 9

1.3. Intended audience ..................................................... 9

1.4. Product documentation ............................................. 10

1.5. Document conventions ............................................. 10

1.6. Document revisions.................................................. 10

2. Safety information...................................................11

3. Product overview .................................................... 13

3.1. Use of the relay....................................................... 13

3.2. Features................................................................. 13

4. Application ............................................................. 15

4.1. Requirements.......................................................... 15

4.2. Configuration .......................................................... 15

5. Technical description .............................................. 19

5.1. Functional description............................................... 19

5.1.1. Product functions ......................................... 19

5.1.1.1. Protection functions ....................... 19

5.1.1.2. Inputs .......................................... 19

5.1.1.3. Outputs........................................ 20

5.1.1.4. Emergency start ............................ 20

5.1.1.5. Restart disable.............................. 20

5.1.1.6. Motor start up ............................... 21

5.1.1.7. Rated current of the protected unit ... 21

5.1.1.8. Disturbance recorder...................... 22

5.1.1.9. Front panel................................... 22

5.1.1.10. Non-volatile memory ...................... 23

5.1.1.11. Self-supervision............................. 23

5.1.1.12. Time synchronization ..................... 24

5.1.2. Measurements ............................................ 25

5.1.3. Configuration............................................... 26

5.1.4. Protection ................................................... 29

5.1.4.1. Block diagram............................... 29

5.1.4.2. Thermal overload protection ............ 30

5.1.4.3. Start-up supervision ....................... 35

5.1.4.4. Short-circuit protection.................... 37

5.1.4.5. Undercurrent protection .................. 38

5.1.4.6. Ground-fault protection ................... 39

5.1.4.7. Unbalance protection ..................... 40

Motor Protection Relay

Technical Reference Manual - ANSI Version

REM 610REM 610

1MRS755537

Issued: 11.04.2005

Version: C/31.12.2007

Brand	ABB
Model	RE 610 Series
Category	Relays
Language	English

ABB RE 610 Series Technical Reference Manual

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