IAI RCS-SM-A-100-M-600-S-B
RCS: Series name (ROBO Cylinder) SM: Type (Slider type, 80mm wide unit) A: Motor/Encoder type (AC Servo motor with Absolute encoder) 100: Motor power (100 Watts) M: Ball screw lead (Medium speed/lead) 600: Stroke (600mm) S: Applicable option (Guide option, likely for added rigidity) B: Applicable option (Brake)