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
