25-75 kW
User's and Installation Guide
6
2 INTRODUCTION TO EATON UPS
Eaton 93PR series uninterruptible power supply (UPS) is a true online, continuous-duty, transformerless,
double-conversion, three-phase modular system that supplies conditioned and uninterruptible AC power to
critical load and protects it from power failures.
Eaton 93PR has flexible power scalability from 25 kW to 300 kW, hot swappable modular and standard
design, high flexibility and applicability, market leading efficiency, availability and performance, very suitable to
applications of micro data center (MDC), small-middle-large data center, automation, medical etc. to protect
power and customized power system solution.
The UPS system is housed in a single, free-standing cabinet with safety shields behind the door for
hazardous voltage protection. Each UPS cabinet has a centralised system static bypass. The available static
bypass ratings are 75 kW. The static bypass size is chosen according to UPS system power. For example,
if future requirement is to upgrade the UPS capacity, the UPS bypass rating will have to be selected
accordingly. In addition, the bypass ratings of all UPS cabinets in a parallel system need to be matched.
Eaton 93PR output power ratings are based on 25 kW rated uninterruptible power modules (UPMs). A single
UPS cabinet can house one to eight UPM modules to get ratings of:
• 1x25kW=25kW
• 2x25kW=50kW
• 3x25kW=75kW
A UPM includes a rectifier, inverter, battery converter, and independent controls. The UPM is hot swappable
(Hot Swap) Each UPM is able to operate independently from the other power modules.
NOTE
StartupandoperationalchecksmustbeperformedbyanauthorizedEatonCustomerServiceEngineer,orthe
warrantytermsspecifiedinChapter9Warrantybecomevoid.Thisserviceisofferedaspartofthesalescontract
fortheUPS.Contactserviceinadvance(usuallyatwo-weeknoticeisrequired)toreserveapreferredstartupdate.
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