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Fundamental Knowledge

DC Motor RPM vs Voltage

Though the AC induction motor is increasing in popularity, many industries still use DC motors. They...

How to Size a DC Motor

When it comes time to select a DC electric motor, whether for replacement or initial installation, t...

What You Need to Know About Manufacturer Warranty

Most items come with a manufacturer warranty. There are laws and regulations on warranties, what the...

What Causes Motor Overload?

One of the most common causes of electric motor failure is overload. Mechanical or electrical overlo...

NEMA 250 Types vs IEC 60529 Ratings

A general misunderstanding of NEMA 250 types and IEC 60529 ratings has led to them being used interc...

How Does a DC Motor Work?

DC electric motors offer a combination of unique performance capabilities and a simplicity of contro...

What is a VFD, and How Does it Work?

If you've been around AC electric motors for a while, you've probably heard about Variable Frequency...

Top Reasons Why Your Electric Motor is Overheating

Overheating is one of the leading causes of winding and bearing failure within an electric motor. Bu...

NEMA vs. IEC Motor Standards: What is the Difference?

Electric motor nameplates carry essential information that helps you to quickly identify the motor m...

Introduction to IEC Motors

In today's digitally connected world, online suppliers like eMotors Direct can bring global electric...

What is Service Factor and How is it Used?

Understanding the motor nameplate's ratings and having a full understanding of your application can ...

The Difference Between AC and DC Motors

When choosing a motor for your application, you will come across two different types: AC and DC mot...

Cory Soetaert
Business Development Manager

Differences Between Inline & Right-Angle Gearboxes

There are two primary categories of gearbox: inline gearboxes and right-angle gearboxes. Both config...

Cory Soetaert
Business Development Manager

What is an Electric Motor?

Wondering what an electric motor is? Take a look at this short video! Credit: Jason Fenske (https:/...

Taking Care of Your Electric Motor

Taking care of your electric motor can provide you with a long service life reducing downtime and l...

Why Use a Custom Gear Reducer?

A gear reducer is a way to increase the torque and reduce the speed of a motor. However, there are ...

Standard Single Phase Motor Connections

Note: All terminal markings and connections in this section are based on NEMA Stds. MG1-2009, Rev. ...

Glossary - Motor Related Terms and Definitions

A B C D E F G H I K L M N O P R S T U V W Y Z From the EASA Technical Manual, this comprehensive li...

Quick Guide: Repair or Replace a Motor?

Posted with permission from EASA. ...

Formulas and Conversion Factors

FORMULAS FOR ELECTRIC MACHINES – ALTERNATING AND DIRECT CURRENTS FORMULAS FOR ELECTRIC CIRCUI...

Effect of Voltage Variation on Induction Motor Characteristics

What is voltage variation? Voltage variation is the deviation of voltage from the rated voltage; NE...

Definitions for Hazardous Locations in North America

In North America, hazardous locations have traditionally been defined by a combination of classes a...

5 Important Points to Consider Before Purchasing an Electric Motor

The worst thing that could happen in a commercial building is for the electric motor driving the HV...

No Name Plate? No Problem.

The motor nameplate provides the critical motor specifications and the catalogue number needed to r...

NEMA Electrical Enclosure Types for Non-Hazardous Locations

The National Electrical Manufacturers Association (NEMA) and Underwriters Laboratories, Inc have cr...

How to Select a Speed Reducer for Your Electric Motor

In most cases, an electric motor is not suitable for driving a load directly, as it rotates too fas...

Synthetic Lubricants for Use in Rolling Element Bearings

"My first exposure to synthetic lubricants for rolling element bearings was during repair of high-s...

Preventing VFD-Induced Bearing Damage in Electric Motors

Electric motors fitted with Variable Frequency Drives are at risk of bearing damage due to a build-...

Motor Nameplate: What Information It Provides

This article is posted with permission from EASA. The nameplate of an electric motor reveals much v...

Long Term Industrial Motor Storage

Commonly, industrial and manufacturing plants require a backup inventory including motors and parts....