7
over-current through a DC compatible thermo-magnetic circuit-breaker (or a set of
fuses) located close to the battery.
◆
UPS Output
Any external distribution board used for load distribution shall be fitted with
protective devices that may avoid the risk of UPS overloaded.
◆
Over-current
Protection device shall be installed at the distribution panel of the incoming main
supply. It may identify the power cables current capacity as well as the overload
capacity of the system.
CAUTION!
Select a thermo magnetic circuit-breaker with an IEC 60947-2 trip curve C
(normal) for 125% of the current as listed below.
3.6 Power Cables
◆
The cable design shall comply with the voltages and currents provided in this section,
Kindly follow local wiring practices and take into consideration the environmental conditions
(temperature and physical support media) .
WARNING!
UPON STARTING, PLEASE ENSURE THAT YOU ARE AWARE OF
THE LOCATION AND OPERATION OF THE EXTERNAL ISOLATORS
WHICH ARE CONNECTED TO THE UPS INPUT/BYPASS SUPPLY OF THE
MAINS DISTRIBUTION PANEL.CHECK TO SEE IF THESE SUPPLIES ARE
ELECTRICALLY ISOLATED, AND POST ANY NECESSARY WARNING
SIGNS TO PREVENT ANY INADVERTENT OPERATION
Cable Dimension
UPS
module
Cable Dimension
AC Input
(mm
2
)
AC Output
(mm
2
)
DC Input
(mm
2
)
Grounding
(mm
2
)
6KVA
6
6
6
6
10KVA
10
10
10
10
CAUTION!
Protective earth cable: Connect each cabinet to the main ground
system. For Grounding connection, follow the shortest route
Possible.