ERD20 rod-style electric actuator has a larger-diameter ball screw and a stroke length to 24 in. to deliver forces to 500 lb. It is stroke-configurable, and accepts a variety of NEMA and metric stepper and servo motors. It can accommodate six different sensing or switching choices: reed, solid-state PNP (sourcing), solid-state NPN (sinking), normally open, flying leads or quick-disconnect.