Pro-Line Rotary Phase Converter Sizing & Selection

Which Phase Converter is right for your application?

Sizing a phase converter is very crucial for proper running of your equipment.  At NAPCco, we are trying to make it easy for you.
North America Phase Converter Co. has 3 ways to help size a 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

Go to Pro-Line Series

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™

Go to Smart-Boost™ Series

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™

Go to Smart-Phase™ Series

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
Shop Pro-Line Rotary Phase Converters
Motor load chart

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
Shop Smart-Boost Rotary Phase Converters
Motor Load Chart

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

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

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