The Siemens Powermite MT Series actuator works with MT Series valves with 7/32-inch (5.5mm) stroke. It requires a 24 Vac power supply to provide 0 to 10 Vdc control and 67 lbf (300 N) nominal force. Other features include spring return (fail-safe) functionality, manual override with visual position indication. It is UL listed for plenum installations.