Data Sheet for Product
OpenAir™ Non-Spring Return, 24 Vac, Floating Control, Rotary, Electric Damper Actuator  Technical Instructions 
  Document No. 155-188P25 
  May 22, 2014 
Siemens Industry, Inc.  Page 3 
Specifications, Continued 
Ambient 
conditions 
Ambient temperature 
  operation  -25°F to 130°F (-32°C to 55°C) 
  storage and transport  -40°F to 158°F (-40°C to 70°C) 
Ambient humidity (non-condensing)  95% rh 
Agency 
certification 
      UL listed to UL873 
      cUL certified to Canadian Standard  
      C22.2 No. 24-93 
NOTE:   These devices were approved for installation in plenum areas by 
Underwriters Laboratories, Inc. (UL) per UL 1995. 
 Conformity 
 for Plenum 
Models 
In accordance with the directive set forth by the European Union for  
Electromagnetic Compatibility (EMC)   2004/108/EC 
Emissions standards  EN61000-6-3 
Immunity standards  EN61000-6-2 
Miscellaneous 
Pre-cabled connection   18 AWG  
Standard cable length  3 feet (0.9 m) 
Life cycle:  Designed for over 60,000 full strokes and 
      a minimum of 1.5 million repositions at  
      rated torque and temperature 
Dimensions  6.2" L × 2.8" W × 2.4" D× 2.4" D 
      (157 mm L × 71 mm W × 61 mm D) 
Weight    1.06 lb. (0.48 kg) 
Accessories 
NOTE:  Neither the auxiliary switches nor feedback potentiometer can be added in 
the field. Order the product number that includes these options.  
See Table 1. 
Figure 2. Rotary to Linear. 
ASK71.5 Allows a direct-coupled actuator to 
provide an auxiliary linear drive. 
Figure 3. 
Rotary to Linear  
with Bracket. 
ASK71.6 Allows economical mounting of an OpenAir 
actuator to a variety of surfaces. Should be used in 
applications where the actuator can be rigid-surface 
mounted and a linear stroke output is needed. 
Figure 4. 
Conduit Adapter. 
ASK76.1U Provides the connection between the 
actuator and conduit. 
NOTE:  GDE131.1T and GDE131.1N are not 
compatible with the ASK76.1U. 










