Powerware 9335 User Manual Page 80

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Table A. INPUT/OUTPUT Ratings & External Wiring Requirements for
Powerware 9335 – 80 kVA
Ratings Units Rating 50/60 Hz
kVA
W
80
Basic unit ratings at
0.8 lagging PF load
INPUT/ OUTPUT
VOLTAGE
480
Amps*
105
AC
INPUT
AC Input to UPS Rectifier (0.95 min. PF)
3 phase, 1 neutral, 1 ground
Minimum conductor size *Max. amps
include full load current plus
battery recharge current
AWG or kcmil (ea)
1/0
AC Input to UPS Bypass - Full Load
Current 3 phase, 1 neutral, 1 ground
Amps*
97
AC
INPUT
Minimum conductor size AWG or kcmil (ea)
1/0
DC Input from Ext. Battery source to
UPS
(1) positive, (1) negative, (1) mid-point
VDC (nominal)
Amps*
+240 0 -240
167
DC
INPUT
Minimum conductor size AWG or kcmil (ea)
4/0
AC Output to Critical Load - Full Load
Current 3 phase, 1 neutral, 1 ground
Amps*
97
AC
OUTPUT
Minimum conductor size AWG or kcmil (ea)
1/0
A
B
C
* Full load, nominal voltage
D
Note: Refer to Figure A – 3 on system one line diagram for the bold letter callout
locations.
Read and understand the following notes while planning your installation:
1. Refer to national and local electrical codes for acceptable external wiring practices.
2. Material and labor for external wiring requirements are to be provided by designated
personnel.
3. For external wiring, use 90
o
C copper wire. See the appropriate column in Tables A
and B. When wiring to an external battery cabinet, either 75
o
C or 90
o
C wiring may
be used.
4. Wire ampacities are chosen from Table 310-16 of the NEC.
5. A neutral feeder is required for both the main and bypass inputs to this system.
6. Refer to section 1 of this manual for installation instructions.
A-2 Powerware 9335 (80 kVA and 120 kVA) Installation and Operation
164201396 REV A 07/11/2003
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