Please enter the application values into the fields below,
then click on "Select DPI" to list units that most
accurately match your criteria.
If Power Factor is not known check the load:
Power supplies, resistors, lamps - cos = 1
Contactors & relays only - cos = 0.2
Mixed loads estimate or use - cos = 0.75
Measure cos for best accuracy, this is important!
Check how cos influences Up- time.
For more information refer to the DPI Sizing guide.
= 1