Eaton 93PR Series - UPS System Power Wiring Preparation; Figure 3-3. UPM Dimensions

25-75 kW
User's and Installation Guide 27
3.2.2 UPS System Power Wiring Preparation
NOTE
Ifinstallingamaintenancebypass,aminimumoftwoseparatefeedswithupstreamfeederbreakers,ora
singlefeedwithtwoupstreamfeederbreakers,mustbeprovided:onefortheUPSorrectifierinputbreaker(if
installed)andoneforthemaintenancebypassinput.DONOTuseasinglefeedorasinglefeederbreakerto
supply both the UPS or rectifier input breaker and the maintenance bypass. If a bypass input breaker is installed
inthemaintenancebypassandasingle-feedUPSisbeinginstalled,asinglefeedtothemaintenancebypassis
acceptable for supplying both the UPS and the bypass.
Read and understand the following notes while planning and performing the installation:
•Refertonationalandlocalelectricalcodesforacceptableexternalwiringpractices.
•ToallowforfuturekVAupgrades(softwareand/orhardware),considerusingconductorssizedforfullby-
pass rating of the UPS.
•Materialandlaborforexternalwiringrequirementsaretobeprovidedbydesignatedpersonnel.
•Forexternalwiring,use90°Ccopperwire.SeetheappropriateinformationinTable3-6:Minimum
recommended multi-core cable and fuse sizes. Wire sizes are based on using the specified breakers.
•Ifwireisruninanambienttemperaturegreaterthan30°C,highertemperaturewireand/orlargersize
wire may be necessary.
Figure 3-3: UPM Dimensions
Top View
Left View Front View Right View
439
595
130
Left view
Front view
Top view
Right view