Siemens/Powers Fire/Smoke Damper Actuators
Siemens Pneumatic Smoke Actuators
Siemens/Powers pneumatic fire/smoke damper actuators shown are UL Recognized Components for fire/smoke applications under category EMKU2. This category covers pneumatic damper actuators intended to be employed on fire dampers and leakage rated dampers.
NOTE: Don’t forget to use copper piping on all pneumatic fire/smoke actuators.
Siemens Electric Smoke Actuators
The Siemens OpenAir direct-coupled, 2-position, spring return electronic damper actuators are UL listed for smoke control dampers or for combination fire/smoke rated dampers. Siemens fire/smoke damper actuators are designed to operate reliably in smoke control systems requiring Underwriters Laboratories, Inc. UL555/555S rating when tested as an assembly with the damper and will meet requirements of UBC for 15 second opening and closing at 350°F (177°C). Also approved under UL873; C-U C22.2 no. 24-93
• 15 second spring return
• All metal housing
• Pre cabled Teflon® insulated wire
• Optional built in fusible link
• Optional built in auxiliary switches
NOTE: To order GND models with built in electronic fusible links, add: “/F” to the end of the model# and select the temperature link form the chart below: (order link separately)