Non-Spring Return Actuator, 300 lb-in

These direct-coupled damper actuators provide adjustable modulating control for: air dampers, air handling units, ventilation flaps, louvers, and reliable control for air damper applications with up to 4.6 m2/50 sq ft (seal-less dampers; air friction-dependent). FeaturesControl for air damper applications with up to 50 sq ft assuming 3.5 in-lb per sq ft of damper area, velocity independent. Patented self-centering shaft adapter. Access cover to facilitate connectivity. Declutch for manual adjustment. Mechanical end limits. Field-installable auxiliary switches. Rotation direction selectable by switch. Mountable in any orientation (no IP54 if upside down). Mechanical position indicator. CE approved. UL approved. SpecificationsDescription: Direct Coupled, General Purpose, Non-Spring Return Actuator Actuator Type: Damper, ValveApplication Type: HVAC Fail Safe Mode: Non-Spring ReturnControl Signal: (0)2-10 Vdc (4-20 mA w/500 ohm resistor)Supply Voltage: 24 Vac +20%, -15%, 24 VdcNumber of Internal Auxiliary Switch: 0External Auxiliary Switches Available: Yes, SSW2-1MShaft Adapter Type: Self-centering clampingManual Operation: Declutch mechanismMounting: Direct CoupledFrequency: 60 Hz, 50 HzRotational Stroke: 95 +/- 3 degreesRotation To Open: By SwitchDual Integral Adj. Stops (3 degree increments)Rotational Stroke Adjustment: Dual Integral Adj. Stops (3 degree increments)Compatible Damper Shafts: 3/8 to 1.06 in. round or 3/8 to 11/16 in. squarePower Consumption: 5 VATemperature Range: -5 F to +140 FEnvironmental Rating: NEMA2