Wattage information, Voltage drop in electric extension cords – Subaru Robin SGX3500 User Manual

Page 26

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18

ENGLISH

FRANÇAISE

ESPAÑOL

WATTAGE INFORMATION

Some appliances need a “surge” of energy when starting.

This means that the amount of electrical power needed to start the appliance may exceed the amount needed to
maintain its use.

Electrical appliances and tools normally come with a label indicating voltage, cycles / Hz, amperage (amps) and
electrical power needed to run the appliance or tool.

Check with your nearest SUBARU Industrial Power Products dealer or service center with questions regarding power
surge of certain appliances or power tools.

VOLTAGE DROP IN ELECTRIC EXTENSION CORDS

When a long electric extension cord is used to connect an appliance or tool to the generator, a certain amount of voltage
drop or loss occurs in the extension cord which reduces the effective voltage available for the appliance or tool.

Use the shortest extension cord possible.

Nominal

cross

section

A.W.G.

Allowable

current

No.of strands

/ strands dia.

Resistance

Current Amp.

mm

2

No.

A

No./mm

Ω/100

m

1A

3A

5A

8A

10

A

12A

15A

V

oltage drop

0.7

5

18

7

30/0.1

8

2.477

2.5V

8V 12.5V

1.2

7

16

12

50/0.1

6

1.486

1.5V

5V

7.5

V 12V

15V

18V

2.

0

14

1

7

37/0.2

6

0.95

2

1V

3V

5V

8V

10

V

12V

15V

3.5

12 to 1

0

23

45/0.3

2

0.517

1.5V 2.5V

4V

5V

6.5V

7.5V

5.5

10 to

8

35

70/0.3

2

0.33

2

1V

2V

2.5V 3.5V

4V

5V

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use.

• Loads such as

uorescent lamps require 1.2 to 2 times the indicated wattage during start-up.

• Loads for mercury lamps require 2 to 3 times the indicated wattage during start-up.

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Once enough “surge” is attained to start the motor, the applian

ce will require only 50% to 30% of the wattage to

continue running.

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generator can power a 1800 to 4000 watt electrical tool.

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normal running wattage in order to start.

For example, a 5,000 watt generator would only be able to driv

e

a 1,000 to 1,700 watt pump.

NOTE:

The following wattage chart is general guide only. Refer to your speci

c appliance for correct wattage.

To determine the total wattage required to run a particular electrical appliance or tool, multiply the voltage

gure of the

appliance/tool by the amperage (amps)

gure of same. The voltage and amperage (amps) information can be found on a

name plate which normally attached to electrical appliances and tools.

Applications

Applicable Wattage(W)

SGX3500

SGX5000

SGX7500

Incandescent lamp, Heater

3200

4500

6700

Fluorescent lamp, Electric tool

1750

2500

3700

Mercury lamp

125

0

1800

2650

Pump, Compressor

800

1

100

1650

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