Proportional Modutrol IV Motor, 135 Ohm Control Signal, 24Vac, 60 Lb-In Torque, 30-60 Second Nominal Timing, 90-160 Degree Stroke, 160 Degree Factory Stroke Setting, Spring Return, Quick Connect Terminals, Foot Mounted, Square Shaft, .375" Shaft Dimension, Integral Junction Box Provides Nema 3 Weather Protection, -40-150 Degree Ambient Temperature Range