48 Eaton 93PM UPS (400V/480V Four-Wire – 100 kW Frame) Installation and Operation Manual 164000566—Rev 04Battery voltage is computed at 2 volts per cell as defined by Article 480 of the NEC. Rated battery current iscomputed based on 2 volts per cell.If required, external DC input overcurrent protection and disconnect switch is to be supplied by the customer.Table 23 lists the recommended ratings for circuit breakers satisfying the criteria for each battery voltage.Recommended disconnect size is based on a maximum full load discharge time less than 3 hours. For longerdischarge times a larger disconnect may be required.Table 23. Recommended DC Input Battery Disconnect Circuit Breaker Ratings400V UPS Model 480V UPS ModelOutput RatingUPS Rating 480VEaton 93PM-100-1Eaton 93PM-100-2 (N+1)Eaton 93PM-100-1Eaton 93PM-100-2 (N+1) 20 kW 60AEaton 93PM-100-1Eaton 93PM-100-2 (N+1)Eaton 93PM-100-1Eaton 93PM-100-2 (N+1) 30 kW 90AEaton 93PM-100-1Eaton 93PM-100-2 (N+1)Eaton 93PM-100-1Eaton 93PM-100-2 (N+1) 40 kW 125AEaton 93PM-100-2Eaton 93PM-100-3 (N+1)Eaton 93PM-100-1Eaton 93PM-100-2 (N+1) 50 kW 150AEaton 93PM-100-2Eaton 93PM-100-3 (N+1)Eaton 93PM-100-2Eaton 93PM-100-3 (N+1) 60 kW 175AEaton 93PM-100-2Eaton 93PM-100-3 (N+1)Eaton 93PM-100-2Eaton 93PM-100-3 (N+1) 70 kW 200AEaton 93PM-100-2Eaton 93PM-100-3 (N+1)Eaton 93PM-100-2Eaton 93PM-100-3 (N+1) 80 kW 225AEaton 93PM-100-3Eaton 93PM-100-4 (N+1)Eaton 93PM-100-2Eaton 93PM-100-3 (N+1) 90 kW 250AEaton 93PM-100-3Eaton 93PM-100-4 (N+1)Eaton 93PM-100-2Eaton 93PM-100-3 (N+1) 100 kW 300A33..22..44 UUPPSS SSyysstteemm IInntteerrffaaccee WWiirriinngg PPrreeppaarraattiioonnNOTE Refer to the Eaton 93PM Sidecar Integrated Accessory Cabinet-Bypass Installation andOperation (50 kW and 100 kW SIAC-B) Manual, listed in paragraph1.8 For More Information, for SIAC-B interface wiring preparation andrecommendations.Control wiring for features and options should be connected at the customer interface terminal blocks locatedinside the UPS.WARNINGDo not directly connect relay contacts to the mains related circuits. Reinforced insulation to the mains isrequired.Read and understand the following notes while planning and performing the installation:UPS Installation Plan and Unpacking