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
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