Calculated Industries ElectriCalc Pro User's Guide Page 33

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Users Guide — 31
Finding Current Load
A building with 120/240 volt 1Ø service
has the following loads:
Range = 7,800 VA Heating = 15,100 VA
Dryer = 5,100 VA Appliances = 8,900 VA
Lighting = 6,470 VA
What is the service load (amps) of the
circuit supplying this building?
Steps Keystrokes Display
Clear calculator [On/C] [On/C] 0.
Set to 1-phase [Set] [1] 1 PH
Add VA loads: 7,800 + 15,100 +
5,100 + 8,900 +
6,470 [=] 43,370.
Enter as VA [VA] 43,370. VA
Enter volts 240 [Volts] 240. VOLT
Solve for amps [Amps] 180.70833 AMPS
Finding Amps from Kilowatts
What is the amperage for a 75 kW load
connected in a 120/208 volt, 3Ø circuit?
Steps Keystrokes Display
Clear calculator [On/C] [On/C] 0.
Set to 3-phase [Set] [3] 3 PH
Enter kilowatts 75 [kilo-] [Watts] 75. KW
Enter volts 208 [Volts] 208. VOLT
Solve for amps [Amps] 208.17918 AMPS
5060-UG-B-Composite 4/4/03 12:37 PM Page 33
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