Lew Hodgett wrote:
"Mike Marlow" wrote:

Not to mention that the themal overload in the switch has no idea at
all what the motor is seeing.
--------------------------------------------------------
Sorry Charlie, only the best get to be StarKist.

The motor and overload are in series and see
exactly the same current.

BTW, at least 95% of all 3 phase motors are protected
by an overload relay that is art of the magnetic motor
starter used to control the motor.


And heat is not only a result of overcurrent. Sorry Charley...

--

-Mike-