Siemens actuator model SQN90.240B2793, Riello code 3003887, original replacement for Riello burners.
Used for automatic control of combustion air and fuel in burner systems, ensuring precise and reliable operation.
Power supply 220–240 V, 50–60 Hz, power consumption 8 VA, rotation angle 90°, running time 12 s.
Drive torque 2 Nm, with integrated auxiliary switches for valve or damper control.
Rugged, heat-resistant construction compliant with Siemens industrial standards for continuous operation.
Ideal for maintenance and replacement on Riello burners and systems using SQN90 actuators with matching electrical and mechanical specifications.
RIELLORS28
RIELLORS28
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