How To Use This Motor & VFD Buyer’s Guide
Since I no longer sell VFD’s I’ve decided to create a page that walks you through the decision making process. This Motor & VFD Buyer’s Guide will have lots of information and links that will direct you to the Motor and VFD that best fit your application and budget.
How Much HP Do You Need?
The motor power rating you get is based on the available power you have in your shop. Do to how VFDs work you can not pull more than 1.5hp from a 20amp, 120volt outlet. For this reason you do NOT want to run a 2hp motor on a 120v outlet. Under powering a 2hp motor gives you less performance then overclocking a 1.5hp motor. Your belt grinders performance is directly tied to how fast your belt moves, and whether or not that belt speed can be maintained while you press your work piece into it. If you want to maximize your power from a 120volt outlet you need to use a 1.5hp motor.
If you have 220 volt single phase power you can run up to 5hp. To be honest 2hp is the biggest bang for your buck. A good rule of thumb is 1hp per inch of belt width. The cost goes up quite a bit as you increase to 3hp and beyond.
Variable Speed 110v - 120v Options
VFD’s
Lowest cost IP20 unsealed VFD Click Here
Good quality IP65 sealed VFD with lots of community support (Analog) Click Here
Better quality IP65 sealed VFD with lots of community support (Digital) Click Here
Motors
Most popular 1.5hp, TEFC 56c frame Click Here
Variable Speed 200v - 240v Options
VFD’s
Lowest cost IP20 unsealed VFD Click Here
Good quality IP65 sealed VFD with lots of community support (Analog) Click Here
Better quality IP65 sealed VFD with lots of community support (Digital) Click Here
Best quality IP20 unsealed VFD Click Here
Best quality IP66 sealed VFD Click Here
Motors
Lowest cost 2hp, TEFC 56c frame motor Click Here
Most popular 2hp, TEFC 56c frame Click Here
Single Speed 110v - 120v Options
On / Off Switch
110/220V Single Phase On/Off Switch with Single Gang Box Screws Installation Hardware Kit Click Here
Motor
IronHorse standard efficiency AC induction motor, general purpose, 1-1/2hp, 1-phase, 115/230 VAC, 3600rpm, TEFC, 56C frame Click Here
Single Speed 200v - 240v Options
On / Off Switch
110/220V Single Phase On/Off Switch with Single Gang Box Screws Installation Hardware Kit Click Here
Motor
IronHorse standard efficiency AC induction motor, general purpose, 2hp, 1-phase, 115/230 VAC, 3600rpm, TEFC, 56HC frame Click Here
Educational Videos
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