This is a constant current PWM. This means that you will set it for the amperage you want your HHO system to draw. Then as temperature conditions change, and the system starts to draw more amps, the PWM will adjust automatically so you maintain the same current draw. You can find out more about how this works, in this article:
What Is a PWM?This unit is sold as a more economical option than our
display version.
This product was added to our catalog on Thursday 14 April, 2011.
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