Shimer Electric

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bigjer

Member
Location
riverton ut.
I have a 5 hp motor single phase that has no indication of thermal protection on the name plate . Do I assume that the motor is not thermally protected?
 

raider1

Senior Member
Staff member
Location
Logan, Utah
Welcome to the forum.:)

If there is no indication that the motor has integral thermal protection then I would assume that none is provided.

Chris
 

jim dungar

Moderator
Staff member
Location
Wisconsin
Occupation
PE (Retired) - Power Systems
I don't think I have ever seen any motor larger than 1HP with integral protection, I would assume yours doesn't either.
 

Jraef

Moderator, OTD
Staff member
Location
San Francisco Bay Area, CA, USA
Occupation
Electrical Engineer
You can get 5HP 1 phase motors with a thermal OL device built-in to the conduit box, but it would be obvious when you go to hook it up. It's not buried in the motor housing like it is on smaller motors.
 
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