Actuators; Pressure Switch - Siemens LME7 Series Basic Documentation

Building Technologies Division
Infrastructure & Cities Sector

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
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
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:
Running times:
Direction of 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
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
Basic Documentation LME7...
3 Type summary
0,8 Nm/4,5 s
until 3 Nm/30 s
0,7 Nm/4 s
until 2,5 Nm/30 s
Up to 10 Nm
15 s and 30 s
- clockwise or counterclockwise
rotation
10 Nm/15 s
until 40 Nm/60 s
27/245
CC1P7105en
29.11.2011