Siemens Servo Motor - SQN31.401 - A2700 230VSiemens Servo Motor - SQN31.401 - A2700 230V
Siemens Servo Motor - SQN31.401 - A2700 230V
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Siemens Servo Motor - SQN31.401


The SQN servo motors are reversible, suitable for use with controllers or switching devices with changeover contacts. The SQN31.401’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 SQM 31 series has a torque rating of up to 3Nm and a running time of 4.5s - 30s. This series also features a clockwise or counter-clockwise rotation.

Siemens SQN31.401 Servo Motor Applications

Siemens SQN31.401 Motors are suitable for controlling gas and oil valves and dampers.


  • The SQN31 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
SQN31.121 120mm 120mm 164mm
SQN31.401 120mm 120mm 164mm
SQN31.402 120mm 120mm 164mm


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