The Honeywell ML6161 Direct-Coupled, Non-Spring Return Damper Actuators are used to control dampers in applications such as variable air volume (VAV) terminal units, and for mounting on ball valves. Features: Superior A/C synchronous submotor for consistent timing and actuator longevity. Eliminate need for limit switches or mechanical stops by providing magnetic coupling. All models include manual declutch lever, and bag assembly with two minimum position setscrews. Mount directly on 3/8 or 1/2 square or round damper shaft. Selectable 45, 60, and 90 stroke in either clockwise or counterclockwise direction. Specifications: Description: Non-Spring Return Direct Coupled Actuator Type of Control: Electric Feedback: With accessory only Electrical Connections: Screw terminals Stroke Max (deg, in): Adjustable w/accessory (30, 60, or 90 deg) External Aux. Switches Available: Yes Power Consumption: 2.04 VA Dimensions: 5-9/16H x 3-3/8W x 2-1/16D (141 mm H x 86 mm W x 64 mm D) Mounting: 3/8 to 1/2 square or round shaft (9 mm to 13 mm) Approvals, Underwriters Laboratories Inc.: File E4436, Guide: XAPX2 Includes: 4074ENJ Bag Assembly