ALLTRONIC SEMIS T33 Manuel D'installation Et D'utilisation page 129

E C
LECTRICAL
WARNING: a 4-wire three-phase distribution system is required.
The UPS must be connected to a power supply line made up of 3 phases + neutral + PE (protective earth) of
TT, TN or IT type. Therefore, the phase rotation must be respected.
Optional TRANSFORMER BOXES to convert the distribution systems from 3 wires to 4 wires are available.
W
IRING DIAGRAMS FOR
ONNECTIONS
C
ONNECTING TO THE
UPS without any variation in neutral condition
UPS with galvanic isolation at iut
E S
LECTRICAL YSTEM
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