APC 990-4053 Power Supply User Manual


 
External Connection
990-4053
Installation Guide APC Silcon 480kW 400V UPS 9
4.0 External Connection
4.1 Connecting the UPS
NOTICE!
Check correct phase rotation of mains input voltage!!
Max. input/output cables: 3//300 mm
2
.
If there is no neutral input Dzn0 or Dyn11 input isolation transformer is required.
CAUTION!
This UPS unit is an EN 50091-2 product and may cause radio interference in a domestic
environment. Take preventive measures in necessary.
Right side view
Relay board
Please refer
Battery
Front view
System Integration
Interface
Communication
Interface
Parallel Controller
to “Relay Board” section