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Siemens SQM50.543 A80B Servo Motor

Siemens Servo Motor - SQM50.543


The SQM servo motors are reversible, suitable for use with controllers or switching devices with changeover contacts. The SQM50.543’s cams can be manually adjusted if needed. The servo motor drives the shaft via the gear train, attached to the drive shaft is a set of cams that actuate the end and auxiliary switches.

Siemens SQM50.543 Servo Motor Applications

Siemens SQM50.543 Motors are suitable for controlling gas and oil valves and dampers.


  • The SQM50 servo motor has a dark grey heat resilient and impact-proof cover.
  • The housing is made up of die-cast aluminium and has four threaded holes for cable glands.
  • The reduction gearing has self-lubricating sinter bronze bearings and requires no maintenance.

SQM Servo Motor Dimensions

Siemens SQM Height Width Depth
SQM50.532 120mm 120mm 164mm
SQM50.484 120mm 120mm 164mm
SQM50.543 120mm 120mm 164mm

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