Eaton 9395 - Page 32

UPS INSTALLATION PLAN AND UNPACKING
Eaton 9395 UPS (225–275 kVA) Installation and Operation Manual S 164201683 Rev 3 www.eaton.com/powerquality
3-8
For external wiring requirements, including the minimum AWG size of external wiring,
see Table 3‐4 for common battery system installations, Table 3‐5 for separate battery
system installations, or Table 3‐6 for separate rectifier feed installations. Wire sizes
listed are for copper wiring only.
Table 3‐4. Input/Output Ratings and External Wiring Requirements for the Eaton 9395-275/225 and 9395-275/275 – Common Battery
Basic Unit Rating
Units Rating 50/60 Hz
kVA
kW
225
205
225
205
275
250
275
250
Input and Output Voltage Volts 400/400 480/480 400/400 480/480
AC Input to UPS Rectifier (0.98 Minimum pF)
Full load current plus battery recharge current
(3) Phases, (1) Ground
A
Amps 373 300 456 370
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
4/0
(2)
2/0
(2)
2/0
(3)
4/0
(2)
AC Input to UPS Bypass (Four Wire)
Full Load Current
(3) Phases, (1) Ground
B
Amps 325 271 397 331
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
3/0
(2)
2/0
(2)
4/0
(2)
4/0
(2)
AC Input to UPS Bypass (Five Wire)
Full Load Current
(3) Phases, (1) Neutral, (1) Ground
B
Amps 325 271 397 331
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
4/0
(2)
3/0
(2)
300
(2)
4/0
(2)
DC Input from Each Battery Cabinet to UPS or Battery
Disconnect
(1) Positive, (1) Negative
C
Total Amps 451 451 551 551
Minimum Conductor Size
Number per Pole
AWG or kcmil
(each)
500
(1)
500
(1)
500
(1)
500
(1)
DC Input from Battery Disconnect to UPS
(1) Positive, (1) Negative
C
Total Amps 451 451 551 551
Minimum Conductor Size
Number per Pole
AWG or kcmil
(each)
4/0
(3)
4/0
(3)
250
(3)
250
(3)
AC Output to Critical Load (Four Wire)
Full Load Current
(3) Phases, (1) Ground
D
Amps 325 271 397 331
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
3/0
(2)
2/0
(2)
4/0
(2)
4/0
(2)
AC Output to Critical Load (Five Wire)
Full Load Current
(3) Phases, (1) Neutral, (1) Ground
D
Amps 325 271 397 331
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
4/0
(2)
3/0
(2)
300
(2)
4/0
(2)
Neutral Bonding Jumper (Four Wire Output Only)
Minimum Conductor Size
Number
–
AWG or kcmil
(each)
2
(1)
3
(1)
2
(1)
2
(1)
NOTE Callout letters A, B, C, and D map to Figure 6‐5 on page 6-8 or Figure 6‐6 on page 6-9.