UPS Installation Plan and Unpacking
3-16 Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4 www.eaton.com/powerquality
The power wiring terminals are pressure terminations, UL and CSA rated. See Table 3-5 for external power
cable terminations.
Figure 4-7 and Figure 4-8 show the location of the UPS power cable terminals.
Table 3-5. UPS External Power Cable Terminations for the Eaton 93PM-50-1 and 93PM-50-2
Terminal Function Terminal Function
Number and Size of Pressure
Termination
AWG or kcmil
Tightening Torque
Nm (lb in)
Screw Size and Type
AC Input to UPS Rectifier E1 Phase A 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
E2 Phase B 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
E3 Phase C 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
AC Input to Bypass E6 Phase A 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
E7 Phase B 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
E8 Phase C 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
E12 Neutral (2) 6-300 kcmil 31.0 (275) 5/16” Hex
AC Output to Critical Load E9 Phase A 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
E10 Phase B 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
E11 Phase C 1- #14-2/0 kcmil 12.4 (110) 1/4" Hex
E12 Neutral (2) 6-300 kcmil 31.0 (275) 5/16” Hex
DC Input from Battery E4 Battery (+) 4 - #6-300 kcmil 31.0 (275) 1/4" Hex
E5 Battery (-) 4 - #6-300 kcmil 31.0 (275) 1/4" Hex
Customer Ground Ground Ground 6 - #14-1/0 kcmil 5.1 (45) Slotted
NOTE Customer ground, sized in accordance with NEC Table 250.122, can be run in any conduit listed in Table 3-6.