Honeywell Proportional Modutrol IV Motor, 24Vac, 135 Ohm input Signal, 75 Lb-In Torque, 2 Auxiliary Switches,15 Second Timing for 90 Degree Stroke, 30 Second Timing for 160 Degree Stroke, Double Ended 3/8″ Shaft, -40-150 Degree Ambient Temperature Range