Calculated Industries 5060 - Manual (Page 38)

36 — ElectriCalc Pro
Finding Single-Phase Full Load
Current
A 2 HP induction motor operates on 230
volt, single-phase power. What is the full
load current for this motor?
Steps Keystrokes Display
Clear calculator
o o
0.
Set to 1-phase
S 1
1 PH
Enter volts
230 U VOLT 230.
Enter HP
2 h
IND 2. HP
Find full load amps
A
FLC 12. A
Set to 3 phase
S 3
3 PH
Finding Motor Wire Size and
Ampacity
Find the wire size required to connect a
continuous run, 3Ø, 3 HP induction
motor into a 230V circuit.
Steps Keystrokes Display
Clear calculator
o o
0.
Enter volts
230 U
VOLT 230.
Enter HP
3 h
IND 3. HP
Find load current
A
FLC 9.6 A
Find 125% A size
S w
AWG 14 CU
WIRE SIZE 125%
Find max ampacity
w
14* 20.0
WIRE A125%
NOTE: Display will show wire size in the upper
left when displaying wire ampacity rating.