Data Sheet for Product
OpenAir® Non-Spring Return Rotary Electric Damper Actuator  Technical Instructions 
24 Vac – Modulating Control  Document Number 155-187P25 
  May 13, 2021 
Siemens Industry, Inc.    Page 3 
Specifications, continued 
Housing 
Enclosure     NEMA Type 2 
    IP54 according to EN60529 
GDE161.1T and GDE161.1N  NEMA 1 
Material     Durable plastic 
Gear lubrication   Silicone-free 
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  
These devices were approved for installation in plenum areas by Underwriters 
Laboratories, Inc., per UL 1995. 
 conformity 
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 ft (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 inches (mm)   6.2 L × 2.8 W × 2.4 D 
  (157 L × 71 W × 61 D) 
Weight:  1.06 lb (0.48 kg) 










