Jackshaft Operators are used on any door with a shaft, sprockets and chain as a driving element. They can be installed on commercial high lift, vertical lift sectional doors, rolling doors or grilles. They are normally mounted on either side of the door.
The Janus Pantheon Operator is a stronger and easier to install DC motor for today's door industry, featuring a simple floor level manual release system, soft start and soft stop operation.
The LiftMaster Model MH is a Medium-Duty Logic hoist operator. It features an adjustable friction clutch, a standard solenoid brake, a high-starting torque motor, a compact design and an emergency chain hoist with an electric interlock.