Pro-Line Rotary Phase Converter Sizing & Selection

Which Phase Converter is right for your application?

Rotary phase converter sizing is crucial for the proper running of your equipment. At NAPCco, we make it easy to determine the correct phase converter sizing for your needs. North America Phase Converter Co. offers three simple ways to help you learn how to size a phase converter for your application:

1. Sizing Calculator – Just plug in your machine’s details, and our phase converter calculator will automatically pick the correct size based on your specifications.

2. Sizing Tables – We’ve posted a helpful video that walks you through the process of using our phase converter sizing chart to determine the right converter for your equipment. This is a great option if you prefer a visual guide for sizing a rotary phase converter.

3. Sizing Engineers – If you’d prefer to leave it to the experts, simply call us at 877-545-2926, email us at [email protected], or Contact us , and our team of sizing engineers will assist you in selecting the right rotary phase converter sizing for your application.

By using these methods, you’ll easily find the correct phase converter size to ensure your machinery runs smoothly and efficiently.

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-Boostâ„¢ Rotary Phase Converters

Smart-Boostâ„¢ Model and Sizing Chart
Smart-Boostâ„¢ Rotary Converter Model Motor Loads (Horsepower) CNC, Resistive & Inductive Loads Smart-Boostâ„¢ 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!