External Connection

990-4045a

Installation Guide APC Silcon 240-320kW 400V UPS 94.0 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
CommunicationInterface
Parallel Controller
to “Relay Board” section