4-20 Ma Modutrol IV Motor, 24Vac, 75 Lb-In Torque, Non Spring Return, 15/27 Second Nominal Timing, 2 Internal Auxiliary Switches, 90-160 Degree Stroke, 90 Degree Factory Stroke Setting, Dual Ended Square Shaft, Clockwise Rotation ( Viewed from Power End ), Adjustable Zero and Span for Split Range Applications, Integral Junction Box Provides Nema 3 Weather Protection, -40-150 Degree Ambient Temperature Range