Inertia Dynamics model SL26-48-028. As pictured. New inventory. This "power-on" clutch is used to couple two parallel 1/2" dia. shafts. The armature hub assembly is mounted to the same shaft as the rotor assembly. The armature hub accommodates a pulley, gear, sprocket, etc., to transmit torque to the second shaft. The field assembly is mounted on the shaft and retained by a loose-fitting pin or bracket through the anti-rotation tab.We belive this is a 12vdc unit - please see the manufacturers web site; www.idicb.com to verify that this meets your requirements. GB376.