Im new to posting but have been reading all the forums for a while great stuff!
On to my question we are setting up some panning machines with 1hp motors they are on a 20amp branch circuit with a fused disconnect do I need a overload protection starter as well or just a magnetic contactor? Your replies are appreciated
IBM used a buttload of 3p motors in their equipment and they all had O/L protection in the motor but you do have to read it on the nameplate to believe it.
Don't forget about the possibility of an impedance protected motor or the fact that sometimes the Short Circuit and Ground Fault device can also serve as the overload device per 430.55