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DDA11 | Non-spring return direct coupled actuator | size/torque 17 in-lb (2 N m) | 110 VAC. | Dwyer

Non-spring return direct coupled actuator, size/torque 17 in-lb (2 N m), 110 VAC.

Brand: DwyerSKU: DDA11

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Non-spring return direct coupled actuator | size/torque 17 in-lb (2 N m) | 110 VAC.

Series DDA & DDC Non-Spring Return Direct Coupled Actuator

Low Cost, Two-Position or Modulating

DDA and DDC Series Direct Coupled Actuators are non-spring return actuators that are perfect for positioning of dampers and valves in HVAC systems. DDA actuators are designed to accept floating control signals and come in a variety of power supplies. DDC actuators are designed to accept 4 to 20 mA or 0 to 10 VDC modulating control signals and are 24 VAC powered. DDC units feature a 0 to 10 VDC feedback signal of damper position. Actuators produce 17 to 70 in-lb (2 to 8 Nm) of torque. Contact factory for optional internal auxiliary switch on DDA.

Direct mount.
Actuator travel indicator.
Overload protection.
Manual override.
Floating control signal on DDA.
Modulating 4 to 20 mA or 0 to 10 VDC control signal on DDC.
Position feedback signal on DDC.
60,000 cycles nominal.

Specifications

Series: DDA & DDC Non-Spring Return Direct Coupled Actuator
Category/Type: Valves
Type: Damper Actuators
Series: DDA & DDC Non-Spring Return Direct Coupled Actuator
Power Requirements: DDA: 110 VAC; 24 VAC; ±10%; 50/60 Hz; single phase. Optional 230 VAC; DDC: 24 VAC; ±10%; 50/60 Hz; single phase.
Power Consumption: DDA: 110 VAC models: 5 VA; 230 VAC models: 5 VA; 24 VAC models: 3 VA; DDC: 4 VA.
Control Input: DDA: Two-position; floating; DDC: 4-20 mA or 0-10 VDC.
Overload Protection: Magnetic clutch.
Angle of Rotation: 95° (mechanically adjustable).
Fits Shaft Diameter: 0.4" (10 mm) or 0.5" (13 mm).
Position Indication: Visual indicator.
Direction of Rotation: CW/CCW.
Running Time: 17 in-lb; 35 in-lb; 53 in-lb: 72 sec.; 70 in-lb:160 sec.
Electrical Connection: Terminal block; 18 AWG.
Manual Override: Push button.
Temperature Limit: -22 to 122°F (-30 to 50°C).
Sound: <45 dB.
Life Expectancy: 60000 full cycles.
Housing: NEMA 2 (IP40).
Standard Accessories: (2) imitative baffles; (2) baffle setscrews; (1) actuator body setscrew; and (1) aluminum gasket.
Weight: 1.72 lb (0.78 kg).