Can electrical motor produce a spark?

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SUMMARY

Electric motors, including pneumatic and brushless types, can produce sparks, especially during failure or due to insulation issues. The discussion highlights the necessity of using ATEX-approved motors in Zone 2 explosive atmospheres to mitigate risks associated with potential sparks. The argument centers around the misconception that pneumatic motors do not pose a spark risk, while in reality, they can also be susceptible to static discharge. Therefore, it is crucial to adhere to safety standards when operating machinery in hazardous environments.

PREREQUISITES
  • Understanding of ATEX regulations for explosive atmospheres
  • Knowledge of pneumatic motor operation and safety
  • Familiarity with electrical motor failure modes
  • Awareness of static discharge risks in industrial settings
NEXT STEPS
  • Research ATEX certification requirements for pneumatic motors
  • Learn about the operation and safety features of Zone 2 rated equipment
  • Investigate the failure modes of electric motors and their spark production
  • Explore methods to prevent static discharge in industrial applications
USEFUL FOR

Engineers, safety officers, and equipment designers working in hazardous environments, particularly those involved with pneumatic and electric motor applications in explosive atmospheres.

barvas11
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Hi Guys,
I am building an equipment to Zone 2 explosive atmosphere.
Machine will be powered by the pneumatic motor. I just had an argument with my boss. He says that I need to order an atex approved motor and I say that I don't because the motor will never produce any spark.
What are your thoughts on this?
 
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I'm not 100% sure but I believe an insulation issue could cause a spark...

I mean...I'm pretty sure when motors burn out they do cause some sparks...
 
An electric motor can absolutely produce a spark, and depending on the motor, some of them produce sparks all the time as part of normal operation.
 
Your post title asks if electric motors can produce a spark, while you question says you are using a pneumatic motor. Which is it?
 
Given that they do produce zone 2 air motors, there is apparently a true risk. I would suspect that an air motor has a risk of static discharge. Electric motors of all types can produce sparks...even brushless motors will spark during failure.
 

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