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Building Technologies Division  Basic Documentation LME7...  CC1P7105en 
Infrastructure & Cities Sector  3 Type summary  29.11.2011 
 
3.5 Actuators 
 
SQN3… 
Electromotoric actuators for air dampers and control valves of 
oil and gas burners of small to medium capacity. 
 
Holding torque:/running time  0,8 Nm/4,5 s 
until 3 Nm/30 s 
 
See Data Sheet N7808 
 
SQN7… 
Electromotoric actuators for air dampers and control 
valves of oil and gas burners of small to medium capacity. 
 
Holding torque:/running time  0,7 Nm/4 s 
until 2,5 Nm/30 s 
 
See Data Sheet N7804 
 
SQM40…/SQM41... 
The actuators are suited for driving flow control valves, 
butterfly valves, dampers or for use on other applications 
that require rotary motion. Areas of application are oil and 
gas burners of medium to larger capacity as well as thermal 
process plants. 
 
Holding torque:  Up to 10 Nm 
 
Running times:  15 s and 30 s 
 
Direction of rotation: 
- clockwise or counterclockwise  
  rotation 
 
SQM5... 
Electromotoric actuators for air dampers and control 
valves of oil and gas burners of small to medium 
capacity, with UL-registered. 
 
Holding torque:/running 
time 
10 Nm/15 s 
until 40 Nm/60 s 
 
See Data Sheet N7815 
 
 
 
3.6 Pressure switch 
 
QPLx5… 
The pressure switch is used for monitoring of gas or air 
pressure. 
See Data Sheet N7221