
_________________________Shihlin Electric SPM-3 User Guide__________________
6
3.1.4 Voltage Terminal
There are 4 voltage terminals (N.C.B.A)
。
The instrument measure voltage from 10V-600V RMS.
(
PT secondary
)
Voltage must not exceed 600V, in case of over 600V, voltage transformer needs to be applied.
In 3P3W/2CT and 3P3W/3CT wiring, connect only “C A N”, and leave “B” blank