PQRM5300 33 Ux Ix xx xx (PS)
20201120-V1
19
5.5. Connecting the measuring inputs to medium
voltage power network. Three phase measurement
without neutral conductor. (3 phase, 3 wire, 3
measuring)
The following figure shows the wiring plan, connecting the
instrument to medium voltage power network without
neutral conductor
Wiring plan, connecting
the voltage and current
inputs to power network.
The terminal “k” of CT and
terminal “v” of VT you have
to connecting to earth!
1. Loosen terminal screws.
2. Insert the wire ends into the open terminals according to
the wiring plan.
3. Screw the terminal in.
4. Check the hold of the wires in terminals by pulling on
them firmly.
Checking the
connections
Check if the cables are connected properly (have you
connected all the cables, have you connected to the right
place, do not the cable-ends touch each other).