Why is the service factor of a motor very often 1.15?
- Thread starter isiah_s
- Start date
harryting
Lifetime Supporting Member
Probably a sweet spot for cost vs benefit.
NetNathan
Lifetime Supporting Member
I searched Google to try and find to why it is normally 1.15%.... no luck
We use a fan motor that is rated to run 1.25% continuous, so at certain times we can get maximum cooling.
We use a fan motor that is rated to run 1.25% continuous, so at certain times we can get maximum cooling.
DickDV
Member
Just for perspective, all IEC motors are 1.0 service factor. It is only NEMA motors that are commonly 1.15.
Similar Topics
I have a typical motor that can be wired for 230/460 but is also rated for 208VAC operation. It has a typical 1.15 service factor. If I wire...
Why does a 3 phase AC motor need an HP rating and a SF HP rating? Why not replace the HP rating with the SF HP rating since the SF HP rating is...
This is off topic, but I know there are excellent resources in this group that can provide an answer.
Pertaining to the service factor rating...
I know I have some 12kW immersion heaters coming up for a job. I don't deal with these often, and I'm just trying to find a practical service...
What has been your experience with year over year price increases on your Tech-connect service contracts? Is it up to the distributor?
30% seems...