Site Preparation – Operating Environment
16 Smart-UPS® VT 10-40kVA 400V Site Preparation and Installation Manual 990-2283
Recommended source connections
The UPS must be supplied from a:
380Y/220V 4W + GND 50/60Hz or
400Y/230V 4W + GND 50/60Hz or
415Y/240V 4W + GND 50/60Hz source.
CAUTION!
Verify clockwise phase-rotation (L1, L2, L3) and make sure a neutral connection is
present.
See “Recommended phase-conductor sizes for a 30°C temperature environment” on
page 20.
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