View Single Post
Old 03-09-17, 04:47 AM   #27
LarryBertsc
Lurking Renovator
 
Join Date: Mar 2017
Location: usa
Posts: 9
Thanks: 0
Thanked 0 Times in 0 Posts
Default

The armatures of induction motors are not designed to work in excess of 6Hz more time spent below about 3,300rpms will build extra heat in the rotor.
This soft starter appears have terminals for the start circuit so I'm guessing it's on a timer to prevent burning out the start cap.
LarryBertsc is offline   Reply With Quote