SADB series AC disc brakes are absolutely fail safe in nature, and finds wide range of application, where emergency stop is required. Compact, rugged and uniquely designed bake, works on electro mechanical principal. Main parts consists of Solenoid coil, Riveted Solenoid Plates, Strong springs with stud and Splined Rotor-Hub. When power fails or brake remains in engaged condition for longer period, these brakes are the best buy.