Interesting that you would get this as a switch and not know that it's basically a AC to DC power supply. Is there is a knob on the front? If so, it varies the DC output. No specs as to the output voltage? AC in, DC out and PW, as was stated earlier is an emergency stop if wired with the right switch. This will only power a DC motor of the right voltage. More going on here then meets the eye, getting help is probably a good idea.