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
I
2
T 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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