GE Industrial Solutions MicroVersaTrip PM User Manual

Page 9

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MicroVersaTrip Plus™ and MicroVersaTrip PM™ Trip Units

List of Tables

vii

1. Breaker type referred to by first character of Trip Unit catalog number. ............................... 3

2. Breaker frame size maximum CT referred to by second character of Trip Unit catalog

number.................................................................................................................................... 4

3. Installed breaker CT size referred to by third and fourth characters of Trip Unit catalog

number.................................................................................................................................... 4

4. Trip Unit catalog number suffixes for optional functions. ..................................................... 4

5. MicroVersaTrip PM Trip Unit suffixes for communication, metering, and relaying............. 4

6. Rating plug catalog numbers. ................................................................................................. 5

7. Protective relay and metering accuracies and resolutions. ..................................................... 9

8. Trip-time curves for breaker types covered in this guide. ....................................................... 9

9. Abbreviations used in setup procedure descriptions............................................................. 10

10. Actions of function keys in Trip Unit operating modes........................................................ 11

11. Lower-limit delays for long-time delay bands........................................................................ 16

12. Lower-limit delays for

I2T OUT

short-time delay bands.......................................................... 17

13. Instantaneous pickup settings for various frame sizes with and without the short-time

function................................................................................................................................. 18

14. Ground-fault pickup settings, as a function of sensor rating................................................. 18

15. Lower-limit delays for ground-fault delay bands. .................................................................. 19

16. Trip Unit rating plug options. .............................................................................................. 22

17. Accessory configuration switch settings, including factory defaults...................................... 24

18. Trip Unit display targets for protective relays. ...................................................................... 31

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