MainsPro G99TT 1.0.0 Global Guide
12
3.3.1 "Star" connection
If used for rated voltage 230 VAC ph-N, set the setpoint Uin (page 54) to 230 V, for systems with rated
voltage 120VAC ph-N, set the setpoint Uin (page 54) is to 120V. No additional setting is necessary for
indication of "Star" connection - MainsPro G99TT provides automatic detection of phase-neutral voltage
measurement. MainsPro G99TT provides over-range to 130% of the rated voltage, i.e. 300 VAC for 230 V
system and 156 V for 120 V system with no change of measurement accuracy.