Sep. 08, 2025
Motors are used in all industries. In fact, everything that moves and turns is propelled by an electric motor. From small, standard motors found in fans, pumps and conveyors to (very) large motors that drive wind turbines, for example. Large motors usually require customisation, as smaller ones are mostly mass-produced and widely used. Selecting the right motor for your application is a meticulous process, in which a wide variety of criteria play a role. We will list the most important steps for you here.
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The first step in choosing the right motor involves determining torque and revolutions per minute. You need this to calculate the desired power. That’s because the motor inside an application needs a certain torque and speed to cause a turning moment. Therefore, the questions you should initially be asking are: what do I need to move, how fast do I need to move it and how heavy is it? To further specify the function of the motor, it is also useful to know whether the motor is just intended to run something, provide constant speed or put something in place. The more accurately you can determine the function of a particular motor, the better the choice of motor type will be. After all, some motors are more suited to a particular function than others.
The next step is determining the installation space for the motor. In some production environments, this space can be quite limited. An example might be AGV systems (Automated Guided Vehicles). Although these should all be able to lift pallets, the space underneath is very limited. In principle, some motors have a higher power density than others. And one type of motor might also be more compact and deliver more power with the same design than another. If space is indeed a challenge, you could look into applying separate parts of a motor, such as a rotor or stator, separately. The benefit of an electric motor is that it comes in different designs and can therefore be mounted in several ways:
The design (or mounting method) is indicated by a European IEC34-7 standard code. This standard defines the dimensions of a motor. These include shaft diameter, shaft length, shaft height and bore spacing. This is particularly valid for standard induction motors. Other engines either follow no or a different standard (NEMA). So, if you have a standard induction motor that meets the IEC34 standard, you should select from electric motor suppliers that are able to supply these IEC34 standard motors.
The frequency of movement produced by the motor largely determines its lifespan. Are we talking about an application that needs to go back and forth once a day, or is it something that runs 24/7? An example might be brush motors. Although these contain brushes for transferring energy, they wear out as they are used more often. Brush motors are nevertheless a great solution for something that needs to move back and forth occasionally, as the brushes will last between 3,000 and 5,000 hours. They are obviously less suitable for applications that run continuously.
A motor converts electrical energy into mechanical energy. The efficiency between electrical energy and mechanical energy represents the efficiency of a motor. For example, car engines have very poor efficiency. You have to put a lot of energy into them to get back a certain amount of mechanical energy. Efficiency classes range from IE1 to IE4, with the highest number representing the most efficiency.
Applications involving the integration of a new motor may no longer use motors with efficiency classes IE1 and IE2. And from , you will only be allowed to buy IE4 motors. Although these engines are more expensive, the extra costs associated with them are recouped in two years at most, and from then on you can start saving on costs. Companies don’t often see this investment in the short term; however, they usually take action when the current motor needs to be replaced, at which point they see that it can also save them money in the long run.
Steps 1 to 5 deal with the characteristics of the motor itself. But how should you control the motor? What kind of interface should the motor have with your system? If you have a system with a controller, and you want to be able to turn it on/off based on a particular output, or you want to have the option of checking the various statuses, so that you can continuously monitor the performance of the motor, the options in these situations are quite wide. There is plenty of choice between different manufacturers, where some have the option of hooking up to an existing system while others don’t. Here, customisation plays a major role.
In this context, the power system also comes into play. What kind of power system do I have? Can the motor be connected to the mains (AC)? Or is it a battery-powered system? If so, this will entail different demands being placed on the motor. A major trend these days involves controls being increasingly integrated into the engine. The benefit of this is that the whole unit is coordinated and compact. As such, the user doesn’t need to buy a separate control box with cables, which reduces the risk of malfunction.
So far, we have mostly talked about the motor and controls. But that's not all. Most motors have high rotational speed and low torque. As far as most systems are concerned, you want the opposite: high torque and low rpm. Similar to your bike and car, there’s a gear somewhere in between, and this usually comes with the motor. The same goes for the reduction gear, where you again have the same choices. Depending on the application, you should also assess which one is most suitable for it. Lifespan and noise are important in this respect. You can also expand the scope of your search by including the drive in the selection process; after all, even if the motor lasts for years, it won’t be of much use to you if the drive unit breaks down within a year. Selection is certainly important in this respect too; with drive technology often coming without maintenance, it simply has to last for a number of years.
ERIKS represents a number of major electric motor manufacturers. As a result, our range consists of motors that meet current standards and have the necessary quality so that they can be used in any production environment. We make calculations and specialise in programming drive systems so that we can provide our customers with the best possible advice when it comes to choosing a motor that best suits their application. We also create and manufacture completely engineered solutions ourselves. By getting us involved early on in the selection or design process, we will be able to develop solutions with you that lead to cost savings and more efficient production.
Want to know more about how to choose the best electric motor for your application and how ERIKS can assist you in doing so? Contact us - we are happy to tell you more.
Domestic set-ups to industries, commercial places, and even motor vehicles are inconceivable to function without an electric motor. The electric motors of today are far advanced both in terms of technology and design than their predecessors. With newer and better uses of the motor coming to light, the consumption of electric motors is continuously on the rise.
No wonder the global market for electric motors is growing at a steady pace and is a project to reach more than 136,496 million dollars by . Even in the domestic market, electric motors are in high demand. This means there is more than one manufacturer of electric motors functioning in the market.
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So how can you choose the best electric motor suppliers among them? This guide can help you through.
Experience of the Manufacturer
When you take your search for electric motors to the internet, you will come across a thousand different manufacturers in your city alone. So shortlisting among them is going to be difficult unless you have a few pointers with you beforehand. One such information is the experience of the manufacturer.
Manufacturers that have been operating the market for quite some time will be more experienced and reliable than the new manufacturers. So you can opt for them without hesitation.
Type of Motor
There are several types of electric motors available in the market today. Some run on AC, while others are meant to DC. Even among them, there are subtypes such as shunt, series, permanent magnetic, etc. For each application, a specific type and capacity of the motor are required. So it is essential to determine what kind of motor you are looking for.
Once you know the type of motor you need, you can check whether the shortlisted manufacturers produce that type of motor. Maintenance Tips for Long life of your electric motor. This can help you in narrowing down the list further.
Client Reviews
A motor is a costly piece of equipment. So you cannot afford to buy one again and again. Further frequent breakdown of the machine can affect the overall productivity of your business. That is why when you buy a motor, it is an absolute must to ensure that the quality is worth your money. And who are better judges of quality than the clients themselves.
Today you can easily find reviews about products of the manufacturer on the internet itself. Positive reviews mean that you can rely on the products of that particular manufacturer.
Cost of the Motor
For the same kind of motor, two different manufacturers are likely to have two different pricing. While quality is the primary consideration for motors, you cannot ignore the price altogether. Motors that are sold at unbelievably low prices are not likely to offer you quality results. Similarly, unreasonably high prices do not mean good quality either.
With an undertaking to expand our business globally, we follow to moral – strategic policies and attempt to complete 100% percent client fulfilment. Our main aim is to provide all types of motor and drive services with great quality in consistence of industrial standard levels and necessities.
We can convey great – quality in consistence with industrial and client necessities for their need of Flame Proof Motor, Crane Duty Motor and BBL Motor as dealers and suppliers all over the India.
So when you are buying a motor, make sure there is a balance between the price and the quality of the product. With these four golden tips at your fingertips, choosing the right manufacturer can become easier than ever.
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