Specifications

15
Model UT233: OPERATING MANUAL
Figure 4
Insert red test leads to V1 input terminal.
Insert blue test leads to V2 input terminal
Insert yellow test leads to V3 input terminal
Connect red blue and yellow test leads to every
live wire of the 3 phase.
Insert black test leads to COM input terminal and
connect it to the neutrual wire of the 3
phase.
You must specify that this connection is used
when the main transformer have STAR connection.
Black
Red
Blue
Yellow