REV.2 - 03/2023
IT GRID VERSION
Three-phase IT system without Neutral, with phase-to-phase voltage 230V.
The "split core"
transformer has a
window opening of
10mm/0.39"
THREE PHASE measurement:
with "split core" amperometric transformers for current measurement, to be connected
with the black wires in common on the "Com" terminal and the white wires on the respective
"Ir", "Is" and "It" terminals as per wiring diagram.
The voltage is measured between terminals "R" ed "S", "R" ed "T".
60
It is recommended
to install one circuit
breaker 3P with a fuse
(max 6A) for each phase,
for protection of the
electrical circuit.
The Circuit Breaker must
be marked as Waymeter
disconnecting device.
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