Honeywell Modutrol IV 90 Series Damper Actuator, Model: M9184, 24 VAC, 50/60 Hz Frequency, VA Rating: 15 VA, Electrical Connection: Quick Connect, 30 to 60 s Timing, Die Cast Aluminum, 150 in-lb Torque, -40 to 150 deg F, NEMA 3 Enclosure, Dimensions: 6-7/16 in H x 5-1/2 in W x 7-5/16 in D, Control Signal: Proportional, Auxiliary Switch Control, Foot Mounting, 90 to 160 deg Rotation, Shaft Design: Square, Clockwise Shaft Rotation, 3/8 in Shaft, Adjustable, Symmetrical Stroke