Electromechanical Trim Tab Systems | Lectrotab trim tab, trim tabs, trim tab actuators, trim tabs boats, boating trim tabs, boat trim tabs, trim tabs for boats All Lectrotab actuators are covered by a worldwide lifetime warranty. Lectrotab designs and manufactures premium quality electromechanical trim tab systems for the leisure and commercial marine markets. The Lectrotab system is easy to install on new boats or to replace existing trim tabs.