Calculated Industries ElectriCalc Pro Pocket Reference Manual - Motor Functions

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ocket

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efeRence

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uide

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MOTOR FuNCTIONS

The ElectriCalc Pro can calculate 

the Full-Load Current (Amps) of a 

motor, based on Phase, Voltage and 

Motor (Synchronous, Induction, or 

DC) Horsepower using NEC Tables 

430.247, 430.248 and 430.250. 

Finding Full-Load Current

A 2 HP Induction motor operates on 

230 Volt, Single-Phase power. What is 

the Full-Load Current for this motor?

KEYSTROKE

DISPLAY

0.

1. Set to 1-Phase:

 (1Ø)

1 Ø  

1  Ph  

2. Enter Volts:

VOLT  230.

3. Enter HP:

IND*  2. hP 

* Press   until 

iND is displayed in the 

upper left area of the display.

4. Find Full-Load Current:

FLC  12.

  A 

Finding Motor Wire Size

Find the Wire Size required to connect 

a continuous run, 3Ø, 10 HP Induction 

motor into a 230V circuit.