APC SUVTR30KH3B5S Datasheet download pdf (Page 23)

Smart-UPS® VT ISX 20-30 kVA, 208/220/480V Operation 17

Configuration

Connection of Load to the PDU

The Power Distribution Unit (PDU) at the rear of the UPS has six 3-phased breaker sets. The top 4-

pole breaker set operates as a unit and protects any 3-phased equipment that may be connected to the

PDU. This breaker unit will switch ON/OFF all 3 phases when operated (may supply several loads).

Each of the 5 other breaker sets protects the 3-phased outlets beneath the actual breaker set.

Connecting the load to the PDUs

Note

Connect the load evenly between the 3 phases to avoid overloading the PDU. The total

output capacity of the PDU is approximately twice the output capability of the UPS.

This means that UPS would be over-loaded if all PDU outlets were loaded to their

rating. Load status on the individual phases can be found through the UPS display or

through the web interface.

Note

Equipment connected to the 3-phased output may require overcurrent protection with a

lower rating than the 3-phased output.

Note

For 3-phased output, the highest current may be in the Neutral conductor at non-linear

loads (up to 173%).

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APC SUVTR30KH3B5S Datasheet Page 23