Eaton 93PM UPS (60–100 kW, 480V) Installation and Operation Manual P-164000227—Rev 2 www.eaton.com/powerquality 1-1Chapter 1 IntroductionThe Eaton ® 93PM 60–100 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 60–100 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 60–100 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 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 60–100 kW UPS and Figure 1-2 shows the Eaton93PM 60–100 kW UPS with a left or right mounted sidecar.Figure 1-1. Eaton 93PM UPS (60–100 kW)NOTE 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.