The SQN9... actuators are designed for driving gas or air dampers of oil or gas burners of small to medium capacity, for load-dependent control of the fuel and combustion air volume:

• In connection with P-PI or PID controllers, such as the RWF40...
• Directly via the different types of burner controls, such as LOA..., LMO..., LMG..., LFL...
• In connection with 1- or 2-wire control or 3-position controllers