• Control for air damper applications with up to10 sq.ft. assuming 3.5 in-lb per sq.ft. of damper area, velocity independent.
• 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 inch or 1/2 inch square or round damper shaft.
• Selectable 45, 60, and 90 stroke in either clockwise or counterclockwise direction.STANDARD 7 MIN TIMING W/DECLUTCH| Rotation to Open | By wiring |
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| Overview | Used to control dampers in applications such as variable air volume (VAV) terminal units and for mounting on ball valves; suitable for use with SPDT or floating thermostats or building automation controls. |
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| Torque/Force (lb-in., lbf) | 35 lb-in. |
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| Supply Voltage | 24 Vac ±20% |
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| Fail Safe Mode | Non-Spring Return |
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| Number of Internal Auxiliary Switch | 0 |
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| Shaft Adapter Type | Aluminum Hub, two set screws |
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| Manual operation | Declutch mechanism |
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| Maximum Stall Torque/Force (lb-in., lbf) | 70 lb-in. |
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| Maximum Stall Torque/Force (Nm, N) | 8 Nm |
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| Rotational Stroke | 90 degrees |
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| Rotational Stroke Adjustment | Mechanically limited at 45 or 60 degrees in cw or ccw directions |
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| Timing, Nominal Driving @ 60 Hz (sec) | 420 sec |
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| Compatible Damper Shafts (in.) | 3/8 to 1/2 in. square or round |
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| Compatible Damper Shafts (mm) | 10 to 13 mm square/round |
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| Materials | Steel plate and Plenum rated plastic |
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| External Auxiliary Switches Available | Yes, 201052B |
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| Power Consumption (Driving) | 1.8 VA |
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| Dimensions (in.) | 5.55 in high x 3.39 in wide x 2.52 in deep |
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| Electrical Connections | Screw terminals |
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| Temperature Range, Ambient (F) | 20 F to 125 F |
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| Dimensions (mm) | 141 mm high x 86 mm wide x 64 mm deep |
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| Temperature Range, Ambient (C) | -18 C to +50 C |
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| Temperature Range, Storage (F) | 20 F to 130 F |
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| Temperature Range, Storage (C) | -18 C to +54 C |
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| Maximum Noise Rating, Driving (dB(A) @ 1m) | 45 |
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| Environmental Rating | NEMA1 |
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| Approvals, Canadian Underwriters Laboratories | cUL C22.2 No. 24-93 |
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| Approvals, CE | 89/336/ECC, 73/23/EEC |
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| Operating Humidity Range (% RH) | 5 to 95% RH, non-condensing |
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| Approvals, Underwriters Laboratories Inc | UL873, Plenum Rated |
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| Includes | 4074ENY Bag Assembly |
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Product Family
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