Eaton 93PM-L Series, Installation And Operation Manual

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44 Eaton 93PM-L 20 – 60 kW (208V) UPS Installation and Operation Manual P-164000711—Rev 03
Power wiring terminals E1 through E11 are 2-hole bus bar mountings for standard NEMA 2-hole barrel lugs.
The power wiring connections for this equipment are rated at 90°C. See
Table 13 for external power cable
terminations, Table 14 for supplied external wiring terminal hardware, and Table 15 for recommended
installation parts and tools not supplied by Eaton.
Figure 27 and Figure 28 , show the location of the UPS power cable terminals.
For a detailed view of the power terminals for the 2, 3 and 4-Breaker SIAC-B configurations, see Figure 30 for
the 2–Breaker SIAC-B, Figure 31 for the 3–Breaker SIAC-B, and Figure 32 for the 4–Breaker SIAC-B.
Table 13. UPS External Power Cable Terminations
Terminal Function Terminal Function
Bus Landings
(using back-to-
back lugs)
Tightening Torque
Nm (lb in)
Screw Size and
Type
AC Input to UPS
Rectifier E1 Phase A 4 – 2 bolt mounting
35 (310)
M12 Hex
E2 Phase B 4 – 2 bolt mounting
35 (310)
M12 Hex
E3
Phase C
4 – 2 bolt mounting
35 (310)
M12 Hex
AC Input to Bypass E6 Phase A 4 – 2 bolt mounting 35 (310) M12 Hex
E7 Phase B 4 – 2 bolt mounting
35 (310)
M12 Hex
E8 Phase C 4 – 2 bolt mounting
35 (310)
M12 Hex
E12 Neutral 8 – 2 bolt mounting 35 (310) M12 Hex
AC Output to Critical
Load E9 Phase A 4 – 2 bolt mounting 35 (310) M12 Hex
E10 Phase B 4 – 2 bolt mounting
35 (310)
M12 Hex
E11 Phase C 4 – 2 bolt mounting
35 (310)
M12 Hex
E12 Neutral 8 – 2 bolt mounting 35 (310) M12 Hex
DC Input from Battery E4 Battery (+) 4 – 2 bolt mounting
35 (310)
M12 Hex
E5 Battery (-) 4– 2 bolt mounting 35 (310) M12 Hex
Customer Ground Ground Ground 14 - #14-1/0
pressure termination
5.1 (45) Slotted
NOTE Customer ground, sized in accordance with NEC Table 250.122, can be run in any conduit listed in Table 16 .
Table 14. Supplied External Wiring Terminal Hardware Kit
Part Size
Quantity
Terminal Used On
Bolt, Grade 5 M12 x 35 mm 60 Rectifier Input, Bypass Input, Battery Input, and Output to Critical Load
Flat Washer M12 60
Rectifier Input, Bypass Input, Battery Input, and Output to Critical Load
Conical
Washer M12 60 Rectifier Input, Bypass Input, Battery Input, and Output to Critical Load
NOTE For additional information (including part numbers and manufacturer information) and/or assistance contact an Eaton
service representative (see paragraph
1.9 Getting Help ).
UPS Installation Plan and Unpacking