10
11
CAUTION
Connect each cabinet to the main ground system. Follow the shortest route for grounding connection.
WARNING
Failure to follow adequate earthing procedures may result in electro-magnetic interference or in
hazards involving electric shock and fire.
3.6 Power Cable
The cable design shall comply with the voltage and current provided in this section. Kindly follow local wiring
practices and take into consideration the environmental conditions.
WARNING
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 before starting.
Check to see if these supplies are electrically isolated. Post necessary warning signs to prevent
any inadvertent operation.
Conclusion
•
It is economical to install power cable according to the full rating capacity initially with respect to future
requirements. The diameter of the cable shown below are that of a PVC cable.
3.7 Power Cable Connection
Connect the power cables only after the equipment has been finally positioned and
secured, as per the procedure described here. Verify that the UPS is totally isolated from
its external power source and all power isolators of the UPS are open. Check to see if they
are electrically isolated. Post necessary warning signs to prevent accidental operations.
Remove the cover of terminals for easy wiring.
UPS Cabinet
AC Input (mm
2
)
AC Output (mm
2
)
AC Input (mm
2
)
Grounding (mm
2
)
10 kVA
4
4
10
4
15 kVA
6
6
25
6
20 kVA
10
10
35
10
30 kVA
16
16
50
10
10-20 kVA
30 kVA
Cable dimensions
