Generator sizing guide, Table 3 – surge capability – Siemens Standby Generators User Manual
Page 5
Generator Sizing Guide
Table 3 – Surge Capability
Siemens Liquid Cooled Generators Operating at <3600 RPM
Rated Output
Surge Capability
Surge Capability
(Running Amps)
LR Amps at 15% Voltage Dip
LR Amps at 30% Voltage Dip
Size (kW)
240V 1ø
208V 3ø
480V 3ø
240V 1ø
208V 3ø
480V 3ø
240V 1ø
208V 3ø
480V 3ø
25
104
87
38
71
47
26
133
89
52
70
292
243
105
275
183
106
550
366
212
80
333
278
120
275
183
106
550
366
212
100
417
347
150
371
247
142
738
491
284
130
542
451
195
546
364
209
1088
724
419
Siemens Generators Operating at 3600 RPM
Rated Output
Surge Capability
Surge Capability
(Running Amps)
LR Amps at 15% Voltage Dip
LR Amps at 30% Voltage Dip
Size (kW)
240V 1ø
208V 3ø
480V 3ø
240V 1ø
208V 3ø
480V 3ø
240V 1ø
208V 3ø
480V 3ø
7
29
24
11
23
n/a
n/a
46
n/a
n/a
10
42
35
15
31
n/a
n/a
63
n/a
n/a
13
54
45
20
38
n/a
n/a
75
n/a
n/a
16
67
56
24
46
n/a
n/a
92
n/a
n/a
20
83
69
30
63
42
24
121
80
47
25
104
87
38
71
47
26
138
92
53
35
146
121
53
104
69
40
204
136
78
45
188
156
68
146
97
57
292
194
112
60
250
208
90
179
119
69
354
236
136
70
292
243
105
246
164
95
496
330
190
100
417
347
150
333
222
128
663
441
255
150
625
520
226
558
372
215
1121
747
431
4
Note: All kW models listed above are based on nominal LP rating.