Enlist any four types of enclosures with their applications.

Enlist any four types of enclosures with their applications. 
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1 Answer

Answer :

Types of enclosures & their Applications:

i) Open type enclosure:- It is used where motor is installed in clean atmosphere and in closed room. 


ii) Screen Protected enclosure:-(Guarded enclosure:) Here screen is provided for rotating parts for better protection. It is also used where motor is installed in clean atmosphere and in closed room. 


 iii) Drip proof (moisture) enclosure:-(Weather-protected type 1 enclosure, Weather-protected type 2 enclosure, Waterproof enclosure,) This type of enclosure is used in very damp atmospheric condition such as water pumping station motor on ship sub-merssible motors, etc. 


 iv) Flame (Fire) proof enclosure:- (Splash-proof enclosure, Dust-ignition-proof enclosure) It is used where motors are installed in explosive atmosphere like chemical plants, mines etc. 


v) Totally enclosed type enclosure:- It is used where there is dusty atmosphere such as saw mill, stone crushing plant, coal handling plant, cement manufacturing plant, cotton industry etc. As it is totally enclosed it requires special cooling arrangement. 


vi) Pipe ventilated totally enclosed type enclosure: It is used where there is dusty atmosphere such as saw mill, stone crushing plant, coal handling plant, cement manufacturing plant, cotton industry etc. As it is totally enclosed it requires pipe ventilation, clean and cold air is circulated through pipe forcefully for cooling of motors and hot air is taken out through pipe.  

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