The Schneider Electric (Erie) AG13B000 is a normally closed (N/C) actuator designed to operate on 120V AC power. This actuator is used to control valves or dampers in HVAC systems. Being normally closed means that the valve or damper it controls is in the closed position when the actuator is not energized. It comes with 6-inch wire leads for electrical connection. This actuator provid... https://www.partshnc.com/ag13b000-schneider-electric-erie-nc-actuator-120v-6-leads