LiftMaster MH5011U Medium Duty Jackshaft Hoist Door Operator

For use on smaller, lighter commercial doors with mid-range duty cycle requirements. Rated duty cycle: Maximum 12 cycles per hour; Less than 50 cycles per day. Wall mount for high or vertical lift sectional doors or small rolling doors and grilles. Chain hoist with electric interlock for manual operation in an emergency. Operator with CPS-U, hand and sash chain for 16 feet door - Does not include the sprocket.