Siemens Electric Rotary Actuator SSC161 For globe/control valves VVP45.., VXP45.., VMP45.. in zone and room applications Technical Data Sheet SSC131.09.. operating voltage AC 24 V, 3-position control signal SSC331.09.. operating voltage AC 230 V, 3-position control signal SSC161.05 operating voltage AC/DC 24 V, positioning signal DC 0-10 V Nominal force: 300 N Automatic identification of valve stroke Direct mounting with ¾” plastic threaded coupling nut, no tools required Manual override Download PDF Now