Calculated Industries 5070-B Pocket Reference Guide - Manual (Page 21)

P
ocket
R
efeRence
G
uide
— 21
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:
  (1Ш)
1 Ш
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.