Explosion Proof AC Motor – Stay Safe, Stay Productive

The global safety explosion proof AC motor market is anticipated to grow significantly in the next few years. The primary factor fuelling the growth of this market is the growing awareness about the benefits of using explosion proof AC motors in various industries. Moreover, the increasingly stringent government regulations regarding the use of explosion proof AC motors are also expected to contribute to the market growth. 

Figure 1 Explosion Proof AC Motor


The industrial sector faced many hazards due to the ever-increasing demand for energy. The hazards were related to damage to equipment and property, personal injury, or even loss of life. The main reason for these hazards was the uncontrolled release of energy from heat, light, sound, or pressure. 

If this release of energy takes place in an enclosed space, it can cause an explosion. To provide safety and protection to the workers, industries started using explosion proof electric motors. This blog post will provide detailed information about explosion proof AC motors and their applications. Let’s start without any further ado.

Explosion proof AC motor | An overview

Figure 1 Explosion Proof AC Motor

Figure 1: Explosion proof AC motor

Have you ever wondered what an explosion proof AC motor is? If you work in an industry that uses or produces flammable materials, you must know about explosion proof AC motors. An explosion proof AC electric motor is a motor that is specially designed to prevent explosions from happening. The term AC means that the motor uses alternating current, which is the type of current, that is most commonly used in homes and businesses.

Explosion proof AC motors are designed with unique features that make them much safer to use than other motors. The ball bearings in the motor are sealed to prevent sparks from escaping. The windings in the motor are also protected so that if a spark does occur, it will not be able to ignite any of the flammable materials around it.

These motors are also made with higher insulation and durable material, including cast iron, copper, or steel. If your business deals with flammable liquids or gases, you need to have explosion-proof AC motors in your facility. It is suitable for Class I, Class II, Division I, and so on. With many paramount features like this, it’s no wonder that explosion proof AC motors are an essential part of many businesses.

High-performance, explosion protection-compliant motors


Figure 2 Explosion Proof AC Electric Motor Production Facility

Figure 2: Explosion proof AC electric motor production facility

The drive technology of today places extremely high demands on the performance of electric motors.  At the same time, they are also required to meet more and more stringent explosion protection requirements. Motors can create explosions in two ways

  • If the insulation of the winding is defective, then hot spots are created and can cause an explosion.
  • The sparks produced by the commutation of rotating armature in collector ring-type DC motors can cause an explosion.

The unique design of our high-performance motors with integrated explosion protection prevents both of these scenarios.  The explosion protection measures we have incorporated make our motors compliant with the latest ATEX directives

Potential benefits of using an explosion proof AC motor

Figrue 3 Potential Benefits of Using an Explosion Proof AC Motor

As the world progresses, so does the technology we use to make our lives easier. One technology that has seen much improvement in recent years is the explosion proof AC motor. Explosion proof motors are used in many different industries and have a wide variety of potential benefits, and these include:

  • Increased safety for workspace

The most obvious potential benefit of using an explosion proof AC motor is the increased safety it can provide for your workspace. Explosion proof motors are designed to be much more resistant to sparks and other ignition sources than traditional motors. 

This means that if there is a risk of combustible materials being present in your workspace, using an explosion proof motor can help to reduce the risk of an explosion or fire.

  • Better efficiency for your machinery

Another potential benefit of using an explosion proof AC motor is the improved efficiency that it can provide for your machinery. 

Explosion proof motors are designed to run cooler than traditional motors, which can often last longer and require less maintenance. This can lead to increased productivity and decreased downtime for your business.

  • Improved durability in harsh environments

Explosion-proof AC motors are also more durable than traditional DC motors, making them ideal for use in harsh environments. This means they can often withstand more significant levels of vibration and shock, making them less likely to fail prematurely.

UL certification and complaint with IECEx standard

UL certification defines the US market standards for product safety. The international IECEx standard is widely recognized, and our motors have both. The standard covers the design, manufacture and testing of equipment and protection systems used in explosive atmospheres. Let’s take an example here:

In the US, products used in explosive atmospheres must meet the National Fire Protection Association (NFPA) standards. The NFPA standards are based on the international IECEx standard. To obtain UL certification, a product must meet the NFPA and UL requirements.

Xinnuo motor is UL and IECEx certified. We can provide you with the certificate and report. All our products, including 1 HP electric motor, 10 HP three-phase motor and many more, are certified and compliant with the IECEx standard.

Final Verdict

For every industry with a risk of explosion, strict regulations are in place to protect workers and equipment. Explosion proof AC motors are designed to meet these standards and provide a safe way to operate machinery in these environments.

We know you might be worried about finding reputable manufacturers for your business. Worry no more; Xinnuo motor is one of the most trusted names in the business. We have been serving customers for over 10 years, and our products are backed by a commitment to quality and customer service. Your customizations are always welcome at Xinnuo motor.

Please get in touch with us if you have any questions or need help finding a suitable explosion-proof AC motor for your application. We’re always happy to help!

Frequently asked questions

Are brushless motors explosion-proof?

No, brushless motors are not explosion-proof. But can be modified to be used in explosion-proof applications by adding an enclosure.

What is the difference between an explosion proof AC motor and a regular AC motor?

The difference is in the construction of the motor. Explosion proof AC motors have flame proof casings and gaskets to prevent any sparks or explosions from happening inside the motor. In contrast, a regular AC motor does not have this type of casing.

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