Thomson Electrak® 1 actuators provide consistent, repeatable performance in the most rigorous operating conditions including extreme temperatures and humidities. The actuator is completely self-contained and sealed for indoor and outdoor use. Functionally, these models are easily interchanged with comparably sized hydraulic or pneumatic cylinders. Features: Aluminum/zinc corrosion resistant housing Self-locking acme screw drive system Auto reset thermal switch motor protection Flying leads or connectors CE Compliance (based on region) Internally restrained Clevis mounting Maintenance free Electrak® 1 DC Linear Actuator Installation Manual