APC PDPM277H User Manual download pdf (Page 15)

APC by Schneider Electric – Mark Tarantelli – 4 November 2008

415V Site Considerations

● Any 480V output UPS with a 5 wire output can feed the Modular PDU.

● Symmetra PX 250/500 has an integrated 480V sub-feed panel that is optimized for this type of

application.

● Neutral must be provided from the building service entrance, through the UPS, due to the

autotransformer technology implemented.

● Autotransformer technology possesses only one set of windings, and does not develop or derive a

neutral.

● UL requires all UPS sub-feed wiring to be contained in the same conduit.

● Each PDU feed will have 5 Wires (3 phases, Neutral, and Ground).

● C13/C19 input cords are acceptable for rack loads

● This voltage product will not support L5-20/L6-30 corded equipment.

● 42-inch rear clearance is required for the PDU

● This product is not compatible with the current Hot-Aisle Containment System (HACS)

● Custom 48” roof tile adapters for HACS are available thru CEG

● A solution for 36” hot aisle applications is under development

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APC PDPM277H User Manual Page 15