Vertiv Liebert EXS - Connecting I;O Cables

AWG (mm
2
)
6 AWG (13.3 mm
2
) 8 AWG (8.2 mm
2
)
Manufacturer Part# Thomas and Betts: 54136 Thomas and Betts: 54132
Recommended Torque 177 lb-in /14.7 lb-ft./20 Nm
Table 3.5 Recommended Wire Lug for Phase, Neutral, and Ground Conductors
AWG (mm
2
)
4/0 AWG (108.6 mm
2
) 2/0 AWG (69.8 mm
2
) 4 AWG (20.6 mm
2
)
Manufacturer Part# Thomas and Betts: 54212 Thomas and Betts: 54210 Thomas and Betts: 256-30695-255
Recommended Torque 177 lb-in./ 14.7 lb-ft./20 Nm
Table 3.6 Recommended Wire Lug for External Battery Conductors
Rating Maximum Current, Amps Recommended Conduct Size Recommended Knockout (mm)
15 42 1 + 1/2 50
20 56 1 + 1/2 50
30 84 2 + 1/2 76.2
40 112 2 + 1/2 76.2
Table 3.7 Conduct Size and Knockout
3.3.1 Connecting I/O cables
WARNING! Risk of electrical shock. Can cause equipment damage, injury and death.
Before beginning installation, verify that all external overcurrent protection devices are open (Off), and that
they are locked out and tagged appropriately to prevent activation during the installation. After the power
cables are connected, the terminal block’s protective cover must be reinstalled to remove the electric shock
hazard.
1. Prepare to connect the UPS power cables to the bus bar on the UPS top panel, see Figure 3.3 on page25:
• Remove the upper conduit/cable entry panel to punch holes for the conduit size, and attach the conduits
to the top of the conduit plate.
• Reinstall the conduit/cable entry panel on the UPS.
• Remove the wiring access cover plate to gain access to the input and output bus bar.
NOTE: The Vertiv™ Liebert® EXS unit ships as a factory configured single input system.
3 Installation and Commissioning Proprietary and Confidential ©2023 Vertiv Group Corp. 23
Vertiv™ Liebert® EXS Installer/User Guide