INSTALLATION REFERENCE
EATON
Powerware
®
225 kVA PDU Installation and Operation Manual
S
164201629 Rev D
www.powerware.com
A−31
A.3
Power Wiring Installation Notes
Read and understand the following notes while planning your installation:
1.
Refer to national and local electrical codes for acceptable external wiring
practices.
2.
Material and labor for external wiring requirements are to be provided by
designated personnel.
3.
Wire ampacities are chosen from Table 310−16 of the National Electrical Code
®
(NEC
®
). Wire is 90
°
C specification.
4.
When wiring a PDU with branch circuit monitoring, use THHN wire for branch
circuit output distribution. Using THHN wire will facilitate routing the wire
through the branch CTs to the branch breakers.
5.
Output neutrals are rated for 200%.
6.
The PDU cabinet is shipped with a debris shield covering the ventilation grill on
top of the unit. Do not remove the debris shield until installation is complete.
However, remove the shield before operating the PDU. Once the debris shield
is removed, do not place objects on the ventilation grill.
7.
Optional 225A distribution panels use Cutler-Hammer bolt-on type BAB or
QBHW breakers for bolt-on panels, or plug-on type HQP or QPHW breakers for
plug-on panels. Breakers to be provided by the customer.
8.
208V input PDU is only available up to 150 kVA. 480V and 600V input PDUs are
available up to 225 kVA.
9.
K20 transformers are available up to 200 kVA.
10.
Refer to Section
I
of this manual for installation instructions.
11.
If installing with a UPS, refer to the applicable UPS Installation and Operation
manual for UPS cabinet wiring requirements, and conduit and terminal
locations.
12.
Per NEC article 300-20(a), all three-phase conductors must be run in the same
conduit. Neutral and ground must be run in the same conduit as the phase
conductors.
13.
Conduit is to be sized to accommodate one neutral conductor the same size as
the phase conductor and one ground conductor. If two neutral conductors or
an oversized neutral conductor are to be installed, size the conduit to
accommodate the extra wire or size. All PDU products can accommodate a
double-sized neutral.
Summary of Contents for Powerware 225 kVA Three-Phase Power Distribution...
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