Eaton 93PM UPS (20–100 kW, 480V – 100 kW Frame) Installation and Operation Manual P-164000227—Rev 6 www.eaton.com/powerquality 1-1Chapter 1 IntroductionThe Eaton ® 93PM 20–100 kW uninterruptible power supply (UPS) is a true online, continuous-duty,transformerless, double-conversion, solid-state, three-phase system, providing conditioned and uninterruptibleAC power to protect the customer's load from power failures.The Eaton 93PM 20–100 kW online power protection system is used to prevent loss of valuable electronicinformation, minimize equipment downtime, and minimize the adverse effect on production equipment due tounexpected power problems.The Eaton 93PM 20–100 kW UPS continually monitors incoming electrical power and removes the surges,spikes, sags, and other irregularities that are inherent in commercial utility power. Working with a building'selectrical system, the UPS system supplies clean, consistent power that sensitive electronic equipmentrequires for reliable operation. During brownouts, blackouts, and other power interruptions, batteries provideemergency power to safeguard operation.The Eaton 93PM 20–100 kW UPS is available with one, two, or three Uninterruptible Power Modules (UPMs)integrated in one cabinet. Each UPM is rated for a maximum of 50 kW. The system maximum rating is 100 kW.To deliver greater reliability, UPS with two or three UPMs can provide N+1 redundancy up to a maximum of50 kW and 100 kW respectively. Should one UPM become unavailable or require servicing, the remaining UPMsupplies the load instead of transferring to bypass.The UPS is housed in a single free-standing cabinet, with safety shields behind the door for hazardous voltageprotection. Power wiring is installed through the bottom of the cabinet with an optional sidecar available for topentry wiring. Figure 1-1 shows the Eaton 93PM 20–100 kW UPS and Figure 1-2 shows the Eaton93PM 20–100 kW UPS with a left or right mounted sidecar.1.1 UPS Standard FeaturesThe UPS has many standard features that provide cost-effective and consistently reliable power protection. Thedescriptions in this section provide a brief overview of the UPS standard features.1.1.1 Installation Featuresl Line-up-and-match or standalone configurationsl Power wiring can be routed through the bottom of the cabinetl Battery wiring can be run internally through the left or right sides of the UPS cabinet in line-up-and-matchconfigurationsl Easily accessible mechanical terminals located at the bottom front of the cabinet reduce installation timel Control wiring can be routed through the top or bottom of the UPS cabinet, or through the left or right sidesof the UPS cabinet in line-up-and-match configurationsl Built-in casters for easy cabinet placementl Cabinet bolt holes are provided for permanently mounting the UPS using optional front and back or left andright side floor mounting bracket kitsNOTE Startup and operational checks must be performed by an authorized EatonCustomer Service Engineer, or the warranty terms specified on page W-1 becomevoid. This service is offered as part of the sales contract for the UPS. Contact anEaton service representative in advance (a minimum two-week notice is required) toreserve a preferred startup date.