APC 5000 Required cable sizes

34001813EN/AE - Page 15
2. Installation
Required cable sizes
Cable sizes are determined for copper conductors (for aluminium conductors, increase the size by 30%). Size
calculations also take into account a voltage of 400 V and grouping of four cables.
UPS power
rating
Minimum sizes for
separate Normal AC
input copper cables
(<100 m)
Minimum sizes for
separate Bypass
AC input copper
cables (<100 m)
Minimum sizes
for common
bypass and
Normal AC input
copper cables
(<100 m)
Minimum sizes
for copper load-
circuit cables
(<100 m)
Battery/terminal
connection
(<15 m)
20 kVA 10 mm216 mm216 mm216 mm216 mm2
30 kVA 16 mm216 mm216 mm216 mm225 mm2
40 kVA 16 mm216 mm216 mm216 mm235 mm2
60 kVA 25 mm225 mm225 mm225 mm270 mm2
80 kVA 50 mm250 mm250 mm250 mm295 mm2
100 kVA 50 mm270 mm270 mm270 mm22 x 50 mm2
120 kVA 70 mm270 mm270 mm270 mm22 x 70 mm2
Connections are made to pre-drilled terminals.
Hole diameter: 6.5 mm (8.5 mm for 120 kVA).
Earthing cables connect to the earthing plate.
Hole diameter: 6.5 mm (8.5 mm for 120 kVA).