Siemens SQN30.121 A2700 Servo Motor
Siemens SQN30.121 A2700 Servo Motor

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Siemens Servo Motor - SQN30.121


The SQN servo motors are reversible, suitable for use with controllers or switching devices with changeover contacts. The SQN30.121’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.

The SQN 30 series has a torque rating of up to 1Nm's and a running time of 4.5s - 30s. This series also features a clockwise or counter-clockwise rotation.

Siemens SQN30.121 Servo Motor Applications

Siemens SQN30.121 Motors are suitable for controlling gas and oil valves and dampers.


  • The SQN30 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.

SQN Servo Motor Dimensions

Siemens SQN Height Width Depth
SQN30.121 120mm 120mm 164mm
SQN50.401 120mm 120mm 164mm
SQN50.402 120mm 120mm 164mm


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