Zelix S05 Series Spring Return Direct Coupled Actuator, 24Vac/Dc, 2-10Vdc, 4-20Ma with 500 Ohm Resistor, On/Off, SPDT,Floating Control Signal, 2-10 Vdc Feedback, 1 Internal Auxiliary Switch (Adjustable 0-95 Degree), 90 Second Nominal Driving Time, 25 Second Maximum Spring Return, 44 Lb-In Torque, 95 ± 3 Degrees rotational stroke, Enclosed Screw Terminal Strip Electrical Connections, Nema 2 Rated, Self Centering Clamping Shaft Adapter, 5-95% RH Humidity Range