SQM20 and SQM21 Actuators for air dampers and control valves of oil burners. Heavy Duty Actuators with a Diameter of drive shaft 12mm, and gear trained shafts made of hardened steel

High Quantities and less-common models may take an additional 10 days for shipment. Contact us via phone or Email to request more information on availability. 

Available Models:

All Models have 15"/lb Nominal Torque and 5 Switches

• SQM20.16502 - Counter Clockwise, 29 second running time for 90° at 50 Hz, 220 V
• SQM20.18502 - Counter Clockwise, 45 second running time for 90° at 50 Hz, 220 V
• SQM20.18501 - Counter Clockwise, 45 second running time for 90° at 50 Hz, 110 V
• SQM21.16502 - Clockwise, 29 second running time for 90° at 50 Hz, 220 V
• SQM21.18502 - Clockwise, 45 second running time for 90° at 50 Hz, 220 V
• SQM21.18501 - Clockwise, 45 second running time for 90° at 50 Hz, 110 V

Resources:

• SQM1x / SQM2x Actuators Technical Literature 

Also See from Siemens LME Series:

Burner Controls Program Modules Actuators

Flame Sensors Other Accessories