INSTALLATION REFERENCE
EATON
Powerware
®
225 kVA PDU Installation and Operation Manual
S
164201629 Rev D
www.powerware.com
A−4
Table C. PDU Cooling Requirements During Full Load Operation without Transformer
Rating
Voltage
Heat Rejection
kVA
K−factor
Input
Output
Watts
BTU/hr
Kg−cal/hr
30
N/A
208
208
288
983
20
50
N/A
208
208
480
1639
32
75
N/A
208
208
720
2458
48
100
N/A
208
208
880
3004
59
125
N/A
208
208
1210
4130
81
150
N/A
208
208
1320
4506
88
Table D. PDU Cooling Requirements During Full Load Operation with 480V Transformer
Rating
Voltage
Heat Rejection
kVA
K−factor
Input
Output
Watts
BTU/hr
Kg−cal/hr
30
1
480
208/120
1728
5898
115
30
13
480
208/120
1584
5407
106
30
20
480
208/120
1536
5243
102
50
1
480
208/120
2880
9830
192
50
13
480
208/120
2640
9011
176
50
20
480
208/120
2560
8738
170
75
1
480
208/120
4320
14744
287
75
13
480
208/120
3960
13516
263
75
20
480
208/120
3840
13106
255
100
1
480
208/120
5280
18021
351
100
13
480
208/120
4800
16382
319
100
20
480
208/120
4620
15768
307
125
1
480
208/120
7260
24778
482
125
13
480
208/120
6240
21297
415
125
20
480
208/120
4680
15973
311
150
1
480
208/120
7920
27031
526
150
13
480
208/120
6120
20887
407
150
20
480
208/120
5760
19659
383
200
1
480
208/120
8700
29693
578
200
13
480
208/120
7140
24369
474
200
20
480
208/120
6660
22730
442
225
1
480
208/120
9900
33788
657
225
13
480
208/120
8040
27440
534
Summary of Contents for Powerware 225 kVA Three-Phase Power Distribution Unit
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