Spring Return Direct Coupled Globe Valve Actuator, 24Vac, 135 Lbf Stem Force, 3/4" Stroke, 0/2-10 Vdc , 2-10 Vdc Feedback, Stem Up on Power Failure, 12 Second Spring Return Timing, Manual Override Winding, 14-122 Degree Ambient Temperature Range, 5-95% RH Operating Humidity Range