What's the difference between workable current and rated current in a dc motor?

Thread Starter


Joined Feb 26, 2019
I got this datasheet for a motor, and i got confused at some parts.The datasheet talks about voltage workable range.

I wanted to choose a 14.8V battery over a 11.1V one, so i can get more power for the motor. But looking at the same rows in this datasheet, the 12V row has a higher current than the 24V, so would the power be nearly the same independently from the voltage or what am i missing?

Also there is an overlap between the ranges (3-9, 6-15, 12-26) If i go with a 14.8V battery which range should i take into account (6-15 or 12-24) and what would be the motor's drawn current (35 or 15 mA)?



Joined Jul 18, 2013
The numbers may not make much sense, but they are shown when being used with a reduction of some kind, with each one being a different ratio.
These numbers would be completely different when used non-reduced.
In simplistic terms, RPM is a function of voltage, and torque is a function of current.
Also motor have a continous torque rating and a momentary torque rating, which if exceeded longer than the limit can destruct.