Torque is strictly proportional to Excitation Current applied to Coil. Sunrise Magnetic Powder Brakes comes with matching electronics to meet your most exacting applications such as Torque Control, Tension Control, Stretch Control, Torque Limit & many more. Magnetic Powder Brakes & Powder Clutches are Torque Control devices.

PS. Magnetic powder brake is for unwinding while magnetic powder clutch is for winding