Vertiv | Liebert
®
NXL
™
500-750kVA UPS Installation Manual |
63
UPS
Rating
Main Bonding Jumper/Grounding Electrode Conductor
kV
A
kW
Copper Conductors
Aluminum Conductors
50
0
450
(1) #4/0AWG/ (1) #4/0AWG
(1) #4/0AWG/ (1) #4/0AWG
625
562.
5
(1) 250kcmil/ (1) 250kcmil
(1) 250kcmil/ (1) 250kcmil
750
675
(1) 250kcmil/ (1) 250kcmil
(1) 250kcmil/ (1) 250kcmil
1.
Recommended cable sizes are 167°F (75°C) (THW) wire at 86°F (30°C) ambient. Unless otherwise noted, use copper or aluminum
conductors suitable for at least 75°C.
2.
For continuous operations not at 86°F (30°C), recommend that the site planner choose the appropriate cable type based on the
particular installation requirements.
3.
Conduit size is based on FMC type conduit with two neutral conductors rated at 200% of phase.
Table 18
Recommended conduit and cable sizes