There are various types of explosion-proof motors available and it is crucial to select the appropriate one to ensure safety in explosive environments. Therefore, having an understanding of the explosion-proof performance of the motor is necessary. To select a suitable explosion-proof motor, there are several aspects to consider, which we will introduce below.

Difference between explosion-proof motors and ordinary motors:
(1) Explosion-proof motors are generally used in inflammable and explosive environments;
(2) The seal of the junction box of explosion-proof motors is better than that of ordinary motors;
(3) The minimum protection level of explosion-proof motors is IP55, but there are also IP44 and IP54, while ordinary motors range from IP23 to IP56. They are suitable for places without inflammable, explosive, corrosive gases and relatively clean environments, and are used to drive various mechanical equipment without special requirements, such as machine tools, pumps, fans, compressors, transportation machinery, etc., so they can be distinguished by appearance.

Types of Explosion-proof Motors

1. According to the principle of the motor

They can be classified into explosion-proof asynchronous motors, explosion-proof synchronous motors, and explosion-proof direct current motors.

2. According to the place of use
They can be classified into explosion-proof motors for coal mine underground and explosion-proof motors for factories.

3. According to the explosion-proof principle
They can be classified into explosion-proof motors with explosion-proof covering, increased safety motors, positive pressure motors, spark-free motors, and dust-proof motors, etc.