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A2 Maximum Allowable Power for Parallel UPS Units
INFORMATION The maximum allowable power for 6 parallel UPSs is limited to 5 x Pn for
40-80kVA UPSs. For 100-130kVA UPSs, the maximum is up to 4 x Pn.
With external system bypass cabinet:
Without external system bypass cabinet:
= 1 x Pn
= 1 x Pn
= 2 x Pn
= 3 x Pn
= 4 x Pn
= 5 x Pn
= 5 x Pn
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