Brake, Type Magnetic Disc, Static Torque (Ft.-Lb.) 3/8 and 3/4, Duty Continuous, Voltage @ 60 Hz 115, Coil Volts 115VAC, Max. HP @ 1725 RPM 1/6, Max. HP @ 3450 RPM 1/2, Ambient (C) 40, Hz 60, Power Lead Length (In.) 15, Mounts On Shaft Extension of Gear motors by Using Brake Hub and Mounting Bolts, Length (In.) 3-1/32, Dia. (In.) 4-1/16, Features One Disc can Easily be Removed to Reduce Torque to 3/8 ft-lb, Function Provide 3/4 Ft-Lb Stopping and Holding Action on 1/14 to 1/4 HP Shaded Pole, Split phase and PSC Gear motors, Application For Gear motors, Conveyors and Door Openers, Includes Mounting Bolts.