1. Name : electromagnetic adjustable speed motor controller 2. JD1A/JD2A-11KW,40KW,90KW JD2 series electromagnetic adjustable speed motor controller ... voltage :≥2V/100V/2m≥3%≥1%pointerInsert or wall hung JD2A-4015-45 KWDC90V.5A≥1.5%≥0.5%pointerInsert or ... wall hung JD2A-9045-90 KWDC90V.8A≥1.5%≥0.5%pointerInsert or ...