Starting at $201.70USD
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Dwyer

DDB/DDD - Non-Spring Return Direct Coupled Actuator

Non-spring return actuators that are perfect for positioning of dampers and valves in HVAC systems

Starting at
$201.70USD
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Have questions? We're here to help!
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DDBDDD Non Spring Return Direct Coupled Actuator 07536

 DDB and DDD Series Direct Coupled Actuators are non-spring return actuators that are perfect for positioning of dampers and valves in HVAC systems. DDB actuators are designed to accept floating control signals and come in a variety of power supplies. DDD actuators are designed to accept 4 to 20 mA or 0 to 10 VDC modulating control signals and are 24 VAC powered. Actuators produce 88 to 265 in-lb (10 to 30 Nm) of torque. Contact factory for optional internal auxiliary switches on DDB.

• Direct mount.
• Actuator travel indicator.
• Overload protection.
• Manual override.
• Floating control signal on DDB.
• Modulating 4 to 20 mA or 0 to 10 VDC control signal on DDD.
• Position feedback signal on DDD.
• 60,000 cycles nominal.
Agency Approvals:CE.
Weight:DDB: 2.87 lb (1.3 kg) 88, 132 in-lb models; 3.68 lb (1.67 kg) 177, 265 in-lb models; DDD: 2.98 lb (1.35 kg) 88, 132 in-lb models; 3.79 lb (1.72 kg) 177, 265 in-lb models.
Standard Accessories:(2) imitative baffles, (2) baffle setscrews, (1) setting bracket.
Housing:NEMA 2 (IP42).
Life Expectancy:60000 full cycles.
Sound:<45 dB.
Temperature Limit:-22 to 122°F (-30 to 50°C).
Manual Override:Push button.
Electrical Connection:Terminal block, 18 AWG.
Running Time:88 in-lb: 66 sec., 132 in-lb: 90 sec., 177 in-lb: 110 sec.; 265 in-lb:143 sec.
Direction of Rotation:CW/CCW.
Position Indication:Visual indicator.
Fits Shaft Diameter:0.4-0.75" (10-20 mm).
Accuracy:DDD: ±5%.
Angle of Rotation:95° (mechanically adjustable).
Overload Protection:Magnetic clutch.
Control Input:DDB: Two-position or floating; DDD: 4-20 mA or 0-10 VDC.
Power Consumption:DDB: 5.5 VA; DDD: 7.5 VA.
Power Requirements:110 VAC, 24 VAC, ±10%, 50/60 Hz, single phase. Optional 230 VAC; DDD: 24 VAC, ±10%, 50/60 Hz, single phase.

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