ALLTRONIC SEMIS T33 Manuel D'installation Et D'utilisation page 132

Separate bypass:
Note:
UPS without any variation in neutral condition and with separate bypass iut
connected to independent power supply line
UPS with separate bypass iut on independent power supply line
and with galvanic isolation at iut
捐
UPS with separate bypass iut connected to independent power supply line
and with galvanic isolation at output