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990-4045a
Installation Guide APC Silcon 240-320kW 400V UPS 63
NOTICE!
If an MCCB is used in stead of external input fuses, the MCCB load capacity must be 8xIn
(nominal current) for minimum 10 ms.
NOTICE!
Check correct phase rotation of mains input voltage! Maximum input/output cables: 3//300 mm2.
If input neutral is not available, an optional Dzn0 or Dyn11 input isolation transformer must be
used.
NOTICE!
All external cable dimensions are recommended sizes only. Refer to local legal regulations.
NOTICE!
Make sure that gland plate is installed in bottom of cabinet.
CAUTION!
At 100% switch mode load, neutral must be rated for 200% phase current.