DISTRIBUTION TO PDU
Total number of blocks varies based on deployed capacities
Click to view power redundancy scenarios
B PDU
DISTRIBUTION TO UPS SYSTEM
RESERVE BLOCK SUPPORTS PRIMARY BLOCKS
UTILITY SERVICE
CABINET
AUTOMATIC TRANSFER SWITCH
ONSITE GENERATION
750 kW UPS SYSTEM
1,500 kW UPS SYSTEM
A PDU
PRIMARY ELECTRICAL BLOCK
 UTILITY & GENERATOR FAILURE
 UTILITY FAILURE
STATIC TRANSFER SWITCH
 ONE PRIMARY UPS FAILURE
BLOCK REDUNDANT ELECTRICAL TOPOLOGY
 NO FAILURES
 STATIC TRANSFER SWITCH FAILURE
 UTILITY & GENERATOR FAILURE
BYPASS
 NO FAILURES
BYPASS
TRANSFER IF BYPASS DOESN’T WORK
If bypass fails, IT environment is fed from B-POWER FEED only
TRANSFER IF BYPASS DOESN’T WORK
If bypass fails, IT environment is fed by B-POWER FEED only