Calculated Industries ElectriCalc Pro - Starter Size; Overload Protection Size

Pocket RefeRence Guide
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4. Find Full-Load Current:
 FLC 130. A
5. Find Dual Element Fuse size:
 AMPS 227.5 dE
STARTER SIZE
What size NEMA Starter is
required for a 575 Volt, 3Ø, 20 HP
Induction motor?
KEYSTROKE DISPLAY
 0.
1. Set to 3-phase:
(3Ø) 3Ø 3 PH
2. Enter Volts:
 VOLT 575.
3. Enter HP:
 IND* 20. HP
* 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 rating of 19.2 Amps
and a 1.0 service factor? What is the
required Overload at 125% (for a 1.15
service factor)?
(cont’d)