Damper Actuators

• Multiple Shaft Couplings Available; Will Accommodate Up to 1.05-Inch Shafts
• 15-Second Nominal Open Time and Spring Return Time
• High Temperature Rated Drive System
• Reversible Fail-Safe Spring Return
• Mechanical Range Adjustment
• Teflon® Insulated Lead Wires
• All Metal Housing
• Manual Override

Intended for use on UL listed smoke control dampers or combination fire/smoke rated dampers, the OpenAir GGD Series Direct-coupled, Fast Acting, Two-position, Spring Return Electronic Actuators are available in 24 VAC, 115 VAC, and 230 VAC models. The GGD Series Spring Return Actuator is used for the control of dampers requiring up to 142 lb.-in. (16 Nm) driving torque. It is intended for control of UL listed smoke control dampers or combination fire/smoke HVAC dampers. This actuator is designed to meet the 2002 revisions to the UL 555S rating up to 350°F (177°C) and AMCA 500-D specifications.

• Integral Junction Box Provides NEMA 3 Weather Protection If Motor Is Mounted in the Upright Position
• All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
• Motors Have Field Adjustable Stroke (90 to 160 Degrees)
• Fixed Torque throughout the Entire Voltage Range
• Motor and Circuitry Operate from 24 VAC
• All Models Have Auxiliary Switch Cams

Series 72 Modutrol IV™ Motors non-spring return motors used to control dampers and valves. These motors accept a voltage signal from an electronic controller to position a damper or valve at any point between open and closed.

• Floating Control Models Available with Feedback Potentiometer
• Small Actuator Footprint with 62 Lb.-In. of Torque
• All Modulating Types Contain Built-In Feedback
• Mechanical Range Adjustment Capability
• Unique Self-Centering Shaft Coupling
• Integral 1/2-Inch Conduit Connector
• Bi-Directional Fail-Safe Spring Return
• Brushless DC Motor Technology
• Easily Visible Position Indicator
• Manual Override

The OpenAir GMA Series Direct-coupled, Spring Return Electronic Damper Actuators provide modulating, two position and floating control of building HVAC dampers. The OpenAir GMA Series Damper Actuators are ideal for constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and bypass dampers that require up to 62 lb.-in. of torque. The actuators are designed for applications where the damper is required to return to a fail-safe position when there is a power failure. Models are available with either an appliance cable for wiring in conduit or a plenum-rated cable.

• Selectable Fail-Safe Position (Fail Open or Closed)
• Unique Self-Centering Shaft Coupling
• Fast Operation, 2 Seconds Runtime
• Feedback Standard on All Models
• Highly Accurate Positioning
• 24 VAC/DC Compatible
• Manual Override
• Plenum Rated

Designed for control of critical environments the OpenAir direct-coupled fail safe/fail-in-place electronic actuators are available in modulating, two-position, and floating control of laboratory fume hoods, supply and exhaust units. Models designed for applications that require the damper to return to a fail-safe position when there is a power failure; or models for fail-in-place.

• Brushless DC Motor Technology with Stall Protection
• All Modulating Types Contain Built-In Feedback
• Accepts Shaft Diameters Up To 1" (25 mm)
• Bidirectional Fail-Safe Spring Return
• Self-Centering Shaft Coupling
• Quiet, Low-Power Operation
• Visible Position Indication
• Rugged All Metal Housing
• Manual Override

Designed for control of building HVAC dampers, the OpenAir GCA Series Direct-coupled, Spring Return Electronic Actuators are available in 0 to 10 VDC or 2 to 10 VDC modulating, floating and two-position (on/off) control models. The OpenAir GCA Series Damper Actuators are ideal for constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and bypass dampers that require up to 160 lb.-in. (18 Nm) torque. The actuators are designed for applications where the damper is required to return to a fail-safe position when there is a power failure. Models are available with either an appliance cable for wiring in conduit or a plenum-rated cable for applications where conduit is not required.

• GEB16x.1x Utilize DIP Switches to Provide Control of Rotation Direction, Angle Range, and Control Signal
• All Modulating Types Contain Built-In Feedback
• Mechanical Range Adjustment Capability
• Integral 1/2-Inch Conduit Connector
• Unique Self-Centering Shaft Coupling
• Easily Visible Position Indicator
• Brushless Motor Technology
• All Metal Housing
• Manual Override

The OpenAir GEB Series Direct-coupled, Non-spring Return Electronic Damper Actuators provide modulating and floating control of building HVAC dampers. The OpenAir GEB Series Damper Actuators are ideal for Constant or Variable Air Volume installations for the control of return air, mixed air, exhaust, and face and bypass dampers that require up to 132 lb.-in. of torque.

• High Impact, Glass-Fiber Reinforced Plastic Case Is Rugged, Lightweight and Corrosion Resistant
• Spring Returns Motor Shaft to Normal Position in the Event of Power Failure
• Synchronous Motor. Quiet, High Efficiency Drive Motor
• Uses Q298B Linkage

25 lb-in. spring return damper actuators provide two-position, three-position, floating, or modulating control of economizer systems, ventilation dampers and combustion air dampers used in residential or commercial HVAC equipment.

• Models Available for Use with Two-Position, Single Pole Single Throw (SPST), Line- (Series 40) or Low- (Series 80) Voltage Controls
• Models Available for Use with Floating or Switched Single-Pole, Double-Throw (SPDT) (Series 60) Controls
• Models Available for Use with Proportional Current or Voltage (Series 70) Controls
• Brushless DC Submotor with Electronic Stall Protection for Floating/Modulating Models
• Models Available with Combined Floating/Modulating Control in a Single Device
• Brush DC Submotor with Electronic Stall Protection for 2-Position Models
• Self-Centering Shaft Adapter (Shaft Coupling) for Wide Range of Shaft Sizes

MS4120, MS7520, and MS8120 Spring Return Direct Coupled Actuators (DCA) are used within heating, ventilating, and air conditioning (HVAC) systems. They can drive a variety of quarter-turn; final control elements requiring spring return fail-safe operation.

• -F models have an internal electrically isolated feedback potentiometer that provides indication of the motor shaft position
• Integral Junction Box Provides NEMA 3 Weather Protection If Motor Is Mounted in the Upright Position
• All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
• Motors Have Field Adjustable Stroke (90 to 160 Degrees)
• Fixed Torque throughout the Entire Voltage Range
• Motor and Circuitry Operate from 24 VAC
• All Models Have Auxiliary Switch Cams

These motors also have an internal electrically isolated feedback potentiometer that provides indication of the motor shaft position.

• Integral Junction Box Provides NEMA 3 Weather Protection If Motor Is Mounted in the Upright Position
• -S Models with Non-Linear Feedback Are for Slaving Applications Only
• All Models Have Dual Shafts (Slotted and Tapped On Both Ends)
• Motors Have Field Adjustable Stroke (90 to 160 Degrees)
• Fixed Torque throughout the Entire Voltage Range
• Motor and Circuitry Operate from 24 VAC
• All Models Have Auxiliary Switch Cams

These Series 62 Modutrol IV™ Motors non-spring return floating control motors are used with controllers that provide a switched spdt or floating output to operate dampers or valves. These motors also have an internal electrically isolated feedback potentiometer that provides indication of the motor shaft position. Some models can be used for slaving Series 90 Motors.