Eaton 93PM Integrated Battery Cabinet-Small Welded (IBC-SW) Installation Manual 164000639—Rev 03 1CChhaapptteerr 11 IInnttrroodduuccttiioonnThe Eaton® Integrated Battery Cabinet-Small Welded (IBC-SW) provides extended emergency short-timebackup power for 93PM UPS systems to enhance the usability and reliability of the systems. The IBC-SWsafeguards operation during brownouts, blackouts, and other power interruptions providing cost-effectiveextended battery run time.The IBC–SW is housed in a single free-standing cabinet and is available in two voltage output options 432 Vdcand 480 Vdc. Up to four IBC–SWs per UPS may be used to meet application runtime needs. The cabinetsmatch the UPS cabinet in style and color. Figure 1 shows the Eaton 93PM IBC–SW.The IBC–SW is equipped with valve-regulated lead-acid (VRLA) batteries. The 432Vdc version contains a singlestring of 36 batteries and the 480Vdc version contains a single string of 40 batteries. Removable battery trayswith quick disconnects between trays reduce battery maintenance time. A DC-rated circuit breaker within eachcabinet provides protection and servicing isolation.NOTE Startup and operational checks must be performed by an authorized Eaton CustomerService Engineer, or the warranty terms specified in Chapter 8 Warranty become void.This service is offered as part of the sales contract for the UPS. Contact an Eaton servicerepresentative in advance (a minimum two-week notice is required) to reserve apreferred startup date.Figure 1. Eaton 93PM Integrated Battery Cabinet–Small Welded