1) The document provides specifications for the RCA2-SA4C series linear servo actuator, including available strokes from 50-500mm, load capacities from 1-5kg depending on lead size and configuration, and compatible controller options.
2) Dimensions and weights are provided for each stroke size, ranging from 274mm and 0.9kg for the 50mm model to 774mm and 1.5kg for the 500mm model.
3) Compatible controllers include solenoid valve, positioner, pulse train input, serial communication, and program control types, with positioning resolution from 3 to 1500 points and power supply voltages of DC 24V or AC 100V depending on the model.