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6Introduction
Figure 3 System Control Cabinets (SCCs)
Types of System Control Cabinets (SCCs)
• SCCT -- A stand-alone cabinet containing system control logic for up to six UPS modules, a static bypass
switch, manually operated disconnects for the static bypass switch, and two motor-operated system circuit
breakers.
• SCCB -- Similar to the SCCT, except that external sheet metal matches that of the UPS modules.
• SCCP -- Similar to the SCCB, except narrower and designed for two UPS modules.
• SCCI -- System control logic and static bypass switch are integrated into a switchboard cabinet manufac-
tured by others, which also includes the system circuit breakers.
• SCCC -- An integrated configuration like the SCCI, but with a static switch rated for continuous duty.