D.C. Power Supplies - For controlling D.C. electric brakes and clutches. Open or enclosed. With or without a digital ammeter. Input: 110 volt A.C. or 220/230 volt A.C., 50/60 Hz.; Output: 0-12 volts, up to 1.25 amps, or 0-24 volts, up to 0.75 amps. Control output current by turning a knob or with a 0-10 volt signal.