The KBMM DC Drives are rated for 1/100 to 3 horsepower. This chassis full-wave DC motor control is the ultimate in reliability and performance. The drive contains Direct-Fed CL that helps protect the SCR power bridge against shorts due to commutator arcing and prevents motor demagnetization. Rated at 1.5 HP@90VDC/3 HP@180VDC with external heat sink.