Kva/kw Amp Chart
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1KVA/KW
3 - Phase
400 Hertz
AMP CHART
0.8 POWER FACTOR (LAG)
COMMON VOLTAGE RATINGS
AMPS PER TERMINAL
KVA
KW
L-L
115V
200V
204V
208V
400V
440V
450V
L-N
---
115V
118
120
230
---
---
3
2.4
15
8.7
8.5
8.3
4.3
4.6
3.9
6
4.9
30
17.3
17
16.7
8.7
7.9
7.7
10
8
50
29
28
28
14
13
13
12
9.6
60
35
34
33
17
16
15
15
12
75
43
42
42
22
20
19
18
14
90
52
51
50
26
24
23
20
16
100
58
57
56
29
26
25
26
21
131
75
74
72
38
34
33
30
24
151
87
85
83
43
39
38
39
31
196
113
110
108
56
51
50
45
36
226
130
127
125
65
59
58
52
42
261
150
147
144
75
68
67
60
48
301
173
170
167
87
79
77
75
60
377
217
213
208
108
99
96
90
72
452
260
255
250
130
118
116
120
96
603
347
340
333
173
158
154
125
100
628
361
354
347
181
164
161
150
120
754
434
425
417
217
197
193
200
160
1005
578
567
556
289
263
257
Chart Notes:
L-L and L-N identifies voltage levels as measured from Line to Line or Line to Neutral respectively.
Power Factor PF = KW / KVA, and is the ratio of True Power to Apparent Power.
Power Factor Rating: Amps shown above are at 0.8PF rating. Actual load PF may differ.
Abbreviations: KVA : Kilo Volt Amperes; KW: Kilowatts; PF: Power Factor; L-L: Line to Line; L-N: Line to Neutral
Chart Instructions:
Find KVA & KW Rating
To find the KVA or KW rating (at 0.8PF) for your application, select the 400HZ three phase L-L (line to line) voltage level being utilized.
Scan down this column to the current needed for your application (select the next higher current rating for more margin). Scan the
row to the left and find the KVA and KW rating needed.
Find Current Rating
To find the phase current rating if the 400HZ load KW or KVA is known, select the known KVA or KW rating on the chart above. Scan
across the row to the right until the three phase L-L (line to line) voltage being utilized column is reached.
Useful Electrical Formulas
KVA = Volts x Amps x 1.732
KW = KVA x Power Factor (PF)
1,000
Amps (When KVA is Known) = KVA x 1,000
Amps (When KW is Known) = __________KW x 1,000_______
Volts x 1.732
Volts x Power Factor (PF) x 1.732
Disclaimer: The content herein is provided for informational purposes only. For technical assistance with your specific 50HZ needs, contact AP&C application engineers.
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605 E Alton Ave Ste A, Santa Ana, CA 92705
Tel 714-540-9010 ● Fax 714-540-5313
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