Motor drive 3121

24V DC motor with 2-stage worm gear & hexagon socket - secure connection options, precise control.


Available, delivery time: 1-3 days

Nominal torque
Stock: 20
Product number: 3121.00-2002
Weight: 0.75 kg
Product information "Motor drive 3121"
  • Rated torque 3 Nm
  • Idle speed 150 rpm 
  • Outer dimensions 150x76x40 mm
  • Drive inside hexagon SW6/SW7/SW8

Powerful 24 V DC motor with 2-stage worm gear with a continuous internal hexagon on the output. The motor cable with AMP plug and the integrated Hall-sensors allow secure connection and exact positioning of the entire system. The included cable can be ordered here as a spare part.

Special features

  • Two integrated Hall-sensors for measurement of the revolutions and direction of rotation
  • Through going hexagon socket in wrench widths 6 mm, 7 mm, 8 mm
  • Good self-locking properties
  • 220 mm + 1750 mm motor cable with connector included
  • Can be combined with most Ketterer spindle systems

Technical notes

  • Please note the correct installation position of the drive! The drive is correctly mounted when it turns counterclockwise under load (see installation position/mounting).
  • The drive working range (nominal torque) is determined for a service life of 10.000 double strokes.
  • Through the controller* the system is regulated such that the speed in the entire drive working range is kept as constant as possible.
  • By using a controller with a short-circuit brake the holding torque position of the drive can be increased.
    * In combination with LogicData control box Compact-3

Model 3121.00-2002 3121.00-2007 3121.00-2008
Motor DC Motor 24 V DC Motor 24 V DC Motor 24 V
Sensor/Power supply Hall/5 V DC/0,3 A Hall/5 V DC/0,3 A Hall/5 V DC/0,3 A
Protection class IP30 IP30 IP30
Idle running speed 150 rpm (24 V) 150 rpm (24 V) 150 rpm (24 V)
Duty cycle idle speed 20% (at 5 min.) 20% (at 5 min.) 20% (at 5 min.)
Rated torque* 3 Nm 3 Nm 3 Nm
Duty cycle nominal load* 20 s ON 240 s OFF 20 s ON 240 s OFF 20 s ON 240 s OFF
Short term peak torque (<1sec) 4,5 Nm 4,5 Nm 4,5 Nm
Input hex 6mm hex 7mm hex 8mm

*Load determined for service life of 10.000 double strokes

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