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Disconnecting the load from the pdu, Pdu output breaker ratings – American Power Conversion Smart-UPS User Manual

Page 24

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Configuration – Connection of Load to the PDU

18

Smart-UPS® VT ISX 20-30 kVA, 200 V Operation

990-2818A

Disconnecting the load from the PDU

To disconnect the load, set the applicable breakers to the OFF position.

Connecting / disconnecting split-phased load (breakers , , and ) and 3-phase load
(breaker
)

Set the applicable transformer breaker to the ON position to connect the load.

Set the applicable transformer breaker to the OFF position to disconnect the load.

PDU output breaker ratings

Nominal rating of breaker

Rear of unit

Ambient temperature

in front of unit ºC

20

30

50

Free exhaust

20

20

32

50

Free exhaust

30

19

30.4

47.5

Free exhaust

40

17

27.2

42.5

Hot aisle exhaust

25

19

30.4

47.5