Pro-Line Rotary Phase Converter Sizing & Selection

Which Phase Converter is right for your application?

Rotary phase converter sizing is very crucial for the proper running of your equipment. At NAPCco, we are trying to make it easy for you. North America Phase Converter Co. offers 3 ways to help you learn how to size a rotary phase converter for your application:

    1. Sizing Calculator (Just plug in your machine info and the calculator picks the correct size)
    2. Sizing Tables (We posted a video on how to use the sizing charts)
    3. Sizing Engineers (Call us and have us do the work to us at 877-545-2926)

30 Second Video on “How to size a Rotary Phase Converter”

Need help sizing? Call an Application Engineer!

877.545.2926

Featured Phase Converter Categories

PL-10 with ODP (Open Drip Proof) Idler Motor

Pro-Line Rotary Phase Converters are a general purpose economical all around phase converter for every type of load.  Good for food service equipment, woodworking and metalworking machine tools.

Smart-Boost™ Digital Rotary Phase Converters are a power packed converter with current booster for those hard starting / high inertia loads.  Better for fans, blowers, dust collectors, larger flywheel, pumps and compressors.

Smart-Phase Digital Rotary Phase Converter

Smart-Phase™ Digital Rotary Phase Converters have electronic stability control powered by an 8 stage automatic voltage regulation controller.  Best for CNC machines, AC drives and voltage sensitive equipment.

Quick Sizing Chart for Pro-Line Rotary Phase Converters 

Phase Converter Model Motor Loads (Horsepower) CNC, Resistive & Inductive Loads Phase Converter Model
Easy Med Hard Very Hard Total Amps Total VA Total kW Spindle HP
 PL-3 2.5 2 1.5 1 4 1.4 1.1 1.5 Shop PL-3
 PL-5 3 3 2 1.5 7 2.4 1.7 2.5 Shop PL-5
 PL-7 5 5 3 2.5 11 5 2.2 3 Shop PL-7
 PL-10 7.5 6 5 4 15 6 3.7 5 Shop PL-10
 PL-15 10 7.5 6 5 20 8 5.6 7.5 Shop PL-15
 PL-20 15 12 10 7.5 25 11 7.7 10 Shop PL-20
 PL-25 20 15 12 10 30 15 9.5 12 Shop PL-25
 PL-30 25 20 15 10 37 20 11.8 15 Shop PL-30
 PL-40 30 25 20 15 50 25 15.5 20 Shop PL-40
 PL-50 40 30 25 20 61 30 21.5 25 Shop PL-50
 PL-60 50 40 30 25 72 36 26.5 30 Shop PL-60
 PL-80 60 50 40 30 100 42 29.6 40 Shop PL-80
PL-100 75 60 50 40 122 48 37.3 50 Shop PL-100

Quick Sizing Guidelines for the Smart-Boost™ Rotary Phase Converters

Smart-Boost™ Model and Sizing Chart
Smart-Boost™ Rotary Converter Model Motor Loads (Horsepower) CNC, Resistive & Inductive Loads Smart-Boost™ Rotary Converter Model
Easy Med Hard Very Hard Total Amps Total kVA Total kW Spindle HP
SB-3 2 2 1.5 1.5 4 1.6 1.1 1.5 Shop SB-3
SB-5 3 3 2.5 2.5 7 2.9 1.7 2.5 Shop SB-5
SB-7 5 5 3 3 11 4.5 2.2 3 Shop SB-7
SB-10 7.5 6 5 5 15 6 3.7 5 Shop SB-10
SB-15 10 10 7.5 7.5 20 8 5.6 7.5 Shop SB-15
SB-20 15 12 10 10 25 11 7.7 10 Shop SB-20
SB-25 20 15 12.5 12.5 30 13 9.5 12 Shop SB-25
SB-30 25 20 15 15 37 15 11.8 15 Shop SB-30
SB-40 30 25 20 20 50 21 15.5 20 Shop SB-40
SB-50 40 30 25 25 76 25 21.5 25 Shop SB-50
SB-60 50 40 30 30 72 30 26.5 30 Shop SB-60

Please call us at 877-545-2926 or use our contact form …

if you have any questions about our products, features or sizing!