Siemens Standby Generators manual Motor Load Reference, AC and Heat Pumps, General Residential

Page 3

Generator Sizing Guide

Table 1 – Motor Load Reference

AC and Heat Pumps

 

 

Running Load

 

 

Starting Load

 

 

 

 

Running

Amps at

Amps at

Amps at

Starting

LR Amps

LR Amps

LR Amps

Description

Hp

kW

240V 1ø

208V 3ø

480V 3ø

kW

at 240V 1ø

at 208V 3ø

at 480V 3ø

 

 

 

 

 

 

 

 

 

 

1 Ton (12,000 BTU)

1

1

5

3

1

3

25

17

7

2 Ton (24,000 BTU)

2

2

10

7

3

6

50

33

14

 

 

 

 

 

 

 

 

 

 

3 Ton (36,000 BTU)

3

3

15

10

4

9

75

50

22

4 Ton (48,000 BTU)

4

4

20

13

6

12

100

67

29

 

 

 

 

 

 

 

 

 

 

5 Ton (60,000 BTU)

5

5

25

16

7

15

125

83

36

7.5 Ton (85,000 BTU)

7.5

7.5

37

24

11

17

188

125

54

 

 

 

 

 

 

 

 

 

 

10 Ton (120,000 BTU)

5 Hp (x2)

10

49

33

14

15

125

83

36

10 Ton (120,000 BTU)

10 Hp

10

49

33

14

20

250

167

72

 

 

 

 

 

 

 

 

 

 

15 Ton (180,000 BTU)

7.5 Hp (x2)

15

74

49

21

17

188

125

54

15 Ton (180,000 BTU)

15 Hp

15

74

49

21

30

375

250

108

 

 

 

 

 

 

 

 

 

 

20 Ton (240,000 BTU)

10 Hp (x2)

20

98

65

28

20

250

167

72

20 Ton (240,000 BTU)

20 Hp

20

n/a

65

28

40

500

333

144

 

 

 

 

 

 

 

 

 

 

25 Ton (300,000 BTU)

25

25

n/a

82

35

50

625

416

180

30 Ton (360,000 BTU)

15 Hp (x2)

30

n/a

98

42

30

375

250

108

 

 

 

 

 

 

 

 

 

 

30 Ton (360,000 BTU)

30 Hp

30

n/a

98

42

60

750

500

217

40 Ton (480,000 BTU)

20 Hp (x2)

40

n/a

131

57

40

500

333

144

 

 

 

 

 

 

 

 

 

 

40 Ton (480,000 BTU)

40 Hp

40

n/a

131

57

80

1000

666

289

50 Ton (480,000 BTU)

25 Hp (x2)

50

n/a

163

71

50

625

416

180

 

 

 

 

 

 

 

 

 

 

50 Ton (480,000 BTU)

50 Hp

50

n/a

163

71

100

1250

833

361

 

 

 

 

 

 

 

 

 

 

General Residential

 

 

Running Load

 

 

Starting Load

 

 

 

 

 

 

 

 

 

 

 

 

Running

Amps at

Amps at

Starting

LR Amps

LR Amps

Description

Hp

kW

120V 1ø

240V 1ø

kW

120V 1ø

240V 1ø

 

 

 

 

 

 

 

 

Refrigerator, Sump Pump,

0.5

0.5

4.9

2.5

1.5

25

13

Furnace, Garage Opener

 

 

 

 

 

 

 

Freezer, Washer, Septic Grinder

0.75

0.75

7.4

3.7

2.3

38

19

 

 

 

 

 

 

 

 

General 1 Hp

1

1

9.8

4.9

3

50

25

Well and Septic Lift Pump

2

2

19.6

9.8

6

100

50

 

 

 

 

 

 

 

 

2

Image 3
Contents Standby Important Notice How to Use this BookletSafety Information General InformationMotor Load Reference AC and Heat PumpsGeneral Residential Amps at Description 120V 1ø 240V 1ø Non-Motor Load ReferenceSurge Capability Siemens Liquid Cooled Generators Operating at 3600 RPMSiemens Generators Operating at 3600 RPM Pipe Size Fuel Pipe SizingNatural Gas LP vapor LPVLP Vapor LPV Tank Sizing Vapor WithdrawalLP Vapor LPV Withdrawal Fuel Consumption Double-Conversion UPS Generator CompatibilityOnsite Estimating Sheet Load Summation Method Generator Sizing InstructionsMeasurement Method Billing History MethodGenerator Sizing Guide Generator Sizing Guide Generator Sizing Guide Generator Sizing Guide Page Siemens Energy & Automation, Inc. All Rights Reserved Siemens Energy & Automation, Inc

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.

In terms of performance, Siemens generators are equipped with continuous power ratings that cater to varying power needs. Whether it’s an essential load or a full-scale home or commercial operation, these generators can handle the demands efficiently. Most models come with powerful engines, designed for durability and longevity, ensuring they can operate under heavy loads without compromising performance.

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In summary, Siemens Standby Generators combine reliability, efficiency, and advanced technology to deliver unparalleled performance during power outages. With features such as automatic transfer switches, low noise operation, fuel efficiency, and smart monitoring, they provide users with peace of mind and a steady power supply whenever needed. Whether for residential or commercial use, Siemens generators are a trusted solution for maintaining essential services and comfort in the face of power interruptions.