December 6, 2023
By defining how motors are designed, built, and referred to on their respective nameplates, standards from the National Electrical Manufacturers Association apply to all electric motor manufacturers to ensure that all manufacturers follow identical dimension data and naming conventions. Known as NEMA frame sizes or electric motor frame sizes, these electric motor dimensions assist operators, manufacturers, …
November 21, 2023
Selecting the correct replacement for an electric motor is straightforward – once you know exactly what you need to replace, that is! Understanding basic motor configurations and types allows you and a trusted partner to identify what you have and specify what you need in a replacement. From standard duty and general purpose motors to …
September 20, 2023
Once you’ve determined that you need a new electric motor, many of the resulting considerations center around the prospective motor’s specifications and capabilities. If your previous or prospective motor is regulated by the National Electrical Manufacturers Association (NEMA), the good news is that the organization’s standards will help guide your choices and build efficiency. At …
August 9, 2023
Known as NEMA for short, the National Electrical Manufacturers Association, is the United States’ largest electrical equipment manufacturer trade association. As established in part 1 of our NEMA Standards blog series, uniformity is a must in electrical manufacturing. At HECO, NEMA’s MG-1 standard for motors and generators is of particular interest when assisting customers in …
July 19, 2023
Realizing that you probably need a new electric motor and knowing how to select the best option for your needs are two different things. Starting with the right information will ensure that the best decision is being made for both the short- and long-term success of your operation. At HECO, we help our customers find …
May 3, 2023
When you’re preparing to swap out an electric motor, timeliness and accuracy are needed to minimize your process downtime and related expenses. Imagine shutting down your line and disconnecting the old motor only to realize that the replacement isn’t correctly sized for your needs. NEMA standards help eliminate these issues by defining how motors are …
December 17, 2021
If you sit back and think about the relationship that you have with the company that you are doing your electric motor repair/replacement business with, are they really serving you or serving themselves? Do you have a vendor who actually cares about your uptime and reliability of the products that they repair and sell? When …
April 29, 2021
You’re trying to select a vendor to perform some repairs (and possibly a rebuild) on one of the critical yet problematic motors in your facility. You’ve received some good bids and are reviewing the vendors under consideration when you notice that one says they have a good relationship with the vendor of the motor you …
May 28, 2020
If you have a specific NEMA-T frame motor, you can be assured that, regardless of the manufacturer, that specific T frame (for example, a 324T) will have the same shaft length, shaft diameter, and bolt hole mounting dimensions. However, what many people don’t realize is that the physical size of specific T frame motors can …
April 18, 2020
Bearings account for about 51% of all electric motor failures and the most common sources of failure involve normal wear and tear, lubrication issues, contamination, or electrical damage that affects the bearing surfaces. While rolling element bearings are the most common type of bearing, sleeve bearings are found most often in larger motors that require a …
Subscribe to our blog and get tips and updates to optimize your electric motor powertrain.