Calculated Industries 5070-B User Guide - Manual (Page 48)

U
ser
'
s
G
Uide
— 47
(cont’d)
STaRTER SIZE
What NEMA size Starter is required for a 575 Volt, 3Ø, 20 HP
Induction motor?
KeysTRoKe DIsPlay
  0.
1. Set to 3-phase:
  (3Ш)
3Ш
3 Ph
2. Enter Volts:
   
VolT 575.
3. Enter HP:
   InD* 20. hP
* If iND is not shown, press   until iND is displayed in the upper left
area of the display.
4. Solve for Starter Size:
  (Starter) sTaR
sIZe
2
OVERlOaD PROTECTION SIZE
What Overload Protection device size is required for an Induction
motor with a nameplate Current rating of 19.2 Amps and a 1.0
service factor? What is the required Overload rating at 125% (for a
1.15 service factor)?
KeysTRoKe DIsPlay
 
0.
1. Enter nameplate Current:
    
aMPs 19.2
2. Find Overload size:
   
aMPs 22.08 o l
3. Display percent used:
 %flC 115.
%