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Inactive, Master Electrician
Category: Electrical
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Experience:  Electrical Contractor
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40 HP 3 Phase 208 Volt Elevator Motor how many Amps

Customer Question

40 HP 3 Phase 208 Volt Elevator Motor how many Amps
Submitted: 8 years ago.
Category: Electrical
Expert:  Inactive replied 8 years ago.
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The FLA for this type of motor will be 114 amps.

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Customer: replied 8 years ago.
How did you calculate
Expert:  Inactive replied 8 years ago.
Thank you for asking your question on graphic
You are corresponding with Joseph - Your personal online "Electrical Consultant"


I diddnt - this is the number assigned to this size motor directly out of the 2008 NEC.

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Expert:  Inactive replied 8 years ago.
Thank you for asking your question on graphic
You are corresponding with Joseph - Your personal online "Electrical Consultant"


Just in case you need a method for calculation here it is. 40x746/208x.8 So 40 is the HP rating, 746 is the number assigned to each horse power, 208 is your voltage and .8 is the effeciency factor. If you do that calculation it comes out ot 114amps.

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