Eaton BladeUPS 12 kVA Maintenance Bypass Cabinet Installation and Operation Manual P-164000130—Rev 1
www.eaton.com/powerquality
1-1
Chapter 1
Introduction
The Eaton
®
BladeUPS
®
Maintenance Bypass Cabinet (MBC) is designed for use with the Eaton BladeUPS
family of three-phase uninterruptible power systems (UPSs). This configuration supports BladeUPS modules
operating in a parallel configuration.
The standard MBC combines a maintenance bypass, a 480V/280V step-down transformer, and power
distribution in a single cabinet solution. Custom configurations of the MBC with transformers for different
voltages or without a transformer are available upon request. The MBC functionality completely isolates the
UPS from utility power for servicing. Utility power is then provided to the load through the MBC instead of the
UPS.
The MBC is housed in a single, free-standing cabinet, with safety shields behind the doors for hazardous
voltage protection. The cabinet is installed in a standalone configuration.The MBC can be configured in 13
different distribution configurations (see the Appendix A, “Installation Reference Appendices”, section A.4
“Maintenance Bypass Cabinet Distribution Configuration Options”).
Figure 1-1 shows a typical Eaton BladeUPS MBC installation.
Figure 1-1. Eaton Maintenance Bypass Cabinet Installed with a BladeUPS 12 kVA Cabinet
Summary of Contents for BladeUPS none
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