Table 14. Input/Output Ratings And External Wiring Recommendations: Eaton 93Pm 20–50 Kw (480V) - Eaton 93PM Installation And Operation Manual

UPS Installation Plan and Unpacking
Table 14. Input/Output Ratings and External Wiring Recommendations: Eaton 93PM 20–50 kW (480V)
Basic Unit Rating
Input and Output Voltage
AC Input to UPS Rectifier (0.99 Minimum pF) Full
load current plus battery recharge current, (3) Phases,
(1) Ground
Minimum Conductor Size (Phase A, B, and C)
Number per Phase
Minimum Conductor Size (Ground)
Number
AC Input to UPS Bypass (Four-Wire, Dual-Feed)
– Full Load Current
(3) Phases, (1) Neutral – see Note, (1) Ground
Minimum Conductor Size (Phase A, B, and C, and
Neutral)
Number per Phase
Minimum Conductor Size (Ground)
Number
DC Input from External Battery (Line-Up-and-
Match Eaton 93PM IBC)
(1) Positive, (1) Negative, (1) Ground
Minimum Conductor Size (Phase Pos. and Neg.)
Number per Pole
Minimum Conductor Size (Ground)
Number
DC Input from External Battery (Standalone
Eaton 93PM IBC)
(1) Positive, (1) Negative, (1) Ground
Minimum Conductor Size (Phase Positive and
Negative)
Number per Pole
Minimum Conductor Size (Ground)
Number
AC Output to Critical Load (Four-Wire) – Full Load
Current
(3) Phases, (1) Neutral – see Note, (1) Ground
Minimum Conductor Size (Phase A, B, and C, and
Neutral)
Number per Phase
36 Eaton 93PM UPS (400V/480V Four-Wire – 100 kW Frame) Installation and Operation Manual 164000566—Rev 04
Units
kW 20
Volts 480/
480
Amps 35
A
8
AWG or kcmil
(1)
(each)
–
AWG or kcmil 10
(1)
(each)
Amps 35
B
AWG or kcmil 6
(each) (1)
–
AWG or kcmil 10
(each) (1)
Voltage 480
Total Amps 45
C
AWG or kcmil 2/0
(each) (1)
See
Note
–
AWG or kcmil 4
(each) (1)
Voltage 480
Total Amps 45
C
AWG or kcmil 3/0
(each) (2)
–
AWG or kcmil 4
(each) (1)
Amps 24
D
6
AWG or kcmil
(each) (1)
Rating 50/60 Hz
30 40 50
480/ 480/ 480/
480 480 480
48 60 73
4 3 2
(1) (1) (1)
8 8 8
(1) (1) (1)
48 60 73
1
3 2
(1) (1) (1)
8 8 8
(1) (1) (1)
480 480 480
67 89 111
2/0 2/0 2/0
(1) (1) (1)
See See See
Note Note Note
4 4 4
(1) (1) (1)
480 480 480
67 89 111
3/0 3/0 3/0
(2) (2) (2)
4 4 4
(1) (1) (1)
36 48 60
6 3 2
(1) (1) (1)