Power Xpert 9395 Plus 1 UPS (225–275 kVA) Installation and Operation Manual 164201710 Rev 7 www.eaton.com/powerquality 1-1Chapter 1 IntroductionThe Power Xpert 9395 Plus 1 uninterruptible power supply (UPS) is a true online,continuous-duty, transformerless, double-conversion, solid-state, redundantthree-phase system, providing conditioned and uninterruptible AC power to protectthe customer's load from power failures.The Power Xpert 9395 Plus 1 UPS (225–275 kVA) cabinet contains two sections: anintegrated system bypass module (ISBM) rated for a maximum of 275 kVA and twoUninterruptible Power Modules (UPMs) rated for a maximum of 275 kVA. To delivergreater reliability, two UPMs are integrated in one cabinet to provide N+1 redundancyfor the system. Should one UPM become unavailable or require servicing, theremaining UPM supplies the load instead of transferring to bypass.The UPS is available as a single unit or an optional multiple unit distributed bypasssystem (see paragraph 1.2.7).The Power Xpert 9395 online power protection system is used to prevent loss ofvaluable electronic information, minimize equipment downtime, and minimize theadverse effect on production equipment due to unexpected power problems.The Power Xpert 9395 UPS continually monitors incoming electrical power andremoves the surges, spikes, sags, and other irregularities that are inherent incommercial utility power. Working with a building's electrical system, the UPSsystem supplies clean, consistent power that sensitive electronic equipment requiresfor reliable operation. During brownouts, blackouts, and other power interruptions,batteries provide emergency power to safeguard operation.The UPS is housed in a single, free‐standing cabinet with safety shields behind thedoor and front panels for hazardous voltage protection. The cabinet matches thebattery and distribution cabinets in style and color. Figure 1‐1 shows the Power Xpert9395 Plus 1 UPS (225–275 kVA).NOTE Startup and operational checks must be performed by an authorized Eaton Customer ServiceEngineer, or the warranty terms specified on page W-1 become void. This service is offered as part of thesales contract for the UPS. Contact an Eaton service representative in advance (usually a two-week notice isrequired) to reserve a preferred startup date.1.1 UPS Standard FeaturesThe UPS has many standard features that provide cost‐effective and consistentlyreliable power protection. The descriptions in this section provide a brief overview ofthe UPS standard features.1.1.1 Installation FeaturesCabinets can be permanently bolted to the floor.Power and control wiring can be routed through the top or bottom of the cabinet withconnections made to easily accessible terminals. External sensing and monitoringcontrol wire must be installed in accordance with Class 1 wiring methods.Figure
