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

 

 

 

 

 

 

 

 

 

 

Note: All kW models listed above are based on nominal LP rating.

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Siemens Standby Generators manual Surge Capability, Siemens Liquid Cooled Generators Operating at 3600 RPM

Standby Generators specifications

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One of the primary features of Siemens standby generators is their automatic transfer switch (ATS) capability. This technology allows for seamless switching from the utility power source to the generator within seconds of a power outage. The ATS continuously monitors the incoming utility power and activates the generator when it detects an interruption. This ensures that critical appliances and systems remain functional without manual intervention.

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