Designed to raise and lower both single and multi-speed sectional gates. It features heavy-duty construction offering 'round the clock operation in all types of weather. The unit comes completely wired ready to connect to both power source and controls. In the event of a power failure the operator is equipped with an emergency release that can be operated without removing the cover. The unit also has a hand crank mechanism to raise and lower the gate during power shut-off. A padlock arrangement is also provided for locking the release in either the engaged or disengaged position. The operator is mounted on a heavy steel base supported by an upright I-beam. Mounting posts are optional items (available in embedded or pad mounted type).