3
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The power load should be balanced between the phases of the 110 VAC receptacles. For example,
do not plug four 110 VAC 2 Amp devices into phase I; instead, plug two of the devices into the
phase I and two into phase II.
WARNING The wall outlet to which the AC distribution box is connected must be a NEMA L14-20R type
outlet on a properly grounded branch circuit.
Non-Domestic AC Distribution Box
Specifications for the non-domestic AC distribution box include:
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AC input: 190/264 VAC 50 Hz, 16 Amperes
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Receptacles: eight IEC 320 10 Amperes, and one IEC 320 16 Amperes
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Power cable: 2.5m with IEC 309 16 Amperes plug
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Output rating: 3520 VA total @ 220 VAC
The non-domestic AC distribution box is rated for a maximum output rating of 3520 VA (Volt-
amperes) at 220 VAC. The sum-total VA load that the devices pull must not exceed this maximum,
else a breaker in the AC distribution box trips when power is applied. A second AC distribution box
must be installed to provide the additional power requirement. The following figure shows the non-
domestic AC distribution box.
IEC 320 IEC 320 Power
10 Amp 16 Amp switch
Each receptacle on the AC distribution box is rated for a specific VA. The IEC 320 16 Ampere
receptacle (J9) is used for the power cord from the base unit. The remaining eight IEC 320 10 Ampere
receptacles are for additional devices installed in the rack. Follow these guidelines when connecting
equipment power cords:
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If the J9 receptacle is not used, then the eight 10 Ampere receptacles (J1-J8) can support the full
3520 VA load.
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If the J9 receptacle is used, then the eight 10 Ampere receptacles (J1-J8) can support only 1760
VA load.
WARNING The wall outlet to which the AC distribution box is connected must be an IEC 309 type outlet on
a properly grounded branch circuit.
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